A Dynamic EMG-Torque Model of Elbow based on Neural Networks

Peng, Liang ;   Hou, Zeng-Guang ;   Wang, Weiqun

Tags Neural networks in biosignal processing and classificationSignal processing in physiological systems

In this paper, a dynamic EMG-torque model of the elbow joint is developed based on ANN, and two novel test methods are proposed to validate...

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A Microsaccadic Latency Analysis of the Amblyopic Eye

Kanoh, Yuji ;   Kohama, Takeshi ;   Nakai, Yuma ;   Yoshida, Hisashi

Tags Signal processing in physiological systemsSignals and systems

It is known that the symptom of amblyopia isimproved by attention traning. However,the index which are improvement of effect of that training...

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A New Algorithm for Estimating the V-Index using Sinusoidal Basis Functions

Kheirati Roonizi, Ebadollah ;   Mainardi, Luca ;   Sassi, Roberto

Tags Signal processing in physiological systemsBiomedical simulation involving signal processing

Recently it was shown that the spatial dispersion of ventricular repolarization (SHVR) can be assessed from the surface ECG using a metric...

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A New Method for Attenuation of Respiration Artifacts in Electrogastrographic (EGG) Signals

Komorowski, Dariusz, Waldemar ;   Tkacz, Ewaryst

Tags Signals and systemsSignal processing in physiological systemsAdaptive filtering

Electrogastrography (EGG) is a test method designed for noninvasive assessment of gastric slow waves propagation. The EGG signal is obtained...

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A New Multi-Window Detection Approach for P-Wave Boundary Points in Electrocardiograms based on Bilateral Accumulative Area

Chen, Riqing ;   Wu, Jian ;   Huang, Yingsong

Tags Signal processing in physiological systems

This study presented an efficient and robust multi-window detection method for P-wave boundary points in electrocardiograms on the basis of...

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A Novel Technique to Investigate the Effect of Ageing on Ventricular Repolarization Characteristics in Healthy and LQTS Subjects

Imam, Hasan ;   Karmakar, Chandan ;   Palaniswami, Marimuthu ;   Khandoker, Ahsan Habib

Tags Multivariate signal processingSignal processing in physiological systems

Ventricular repolarization(VR) characteristics is affected by ageing alongside several other factors like Heart rate(HR),respiration,...

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A Particle Filter Framework for the Estimation of Heart Rate from ECG Signals Corrupted by Motion Artifacts

Nathan, Viswam ;   Akkaya, Ilge ;   Jafari, Roozbeh

Tags Signal processing in physiological systems

In this work, we describe a methodology to probabilistically estimate the R-peak locations of an electrocardiogram (ECG) signal using a particle...

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A Quantitative Evaluation of Alcohol Withdrawal Tremors

Aarabi, Parham ;   Norouzi, Narges ;   Dear, Taylor ;   Bromberg, Simon ;   Gray, Sara ;   Kahan, Mel ;   Borgundvaag, Bjug

Tags Time-frequency analysis of biosignalsSignal processing in physiological systemsData mining in biosignals

This paper evaluates the relation between Alcohol Withdrawal Syndrome tremors in the left and right hands of patients. By analyzing 122...

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A Research on the Feasibility of Cardiac Output Estimation using Photoplethysmogram and Ballistocardiogram

Kim, Hyun Jo ;   Kim, Heejin ;   Ku, Yunseo ;   Yoon, Hyung-Jin

Tags Signal processing in physiological systemsNonlinear dynamics in biomedical signalsSignals and systems

This study investigated the feasibility of photoplethysmogram (PPG) and ballistocardiogram (BCG) for daily life cardiac output (CO) monitoring....

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A Robust Myoelectric Pattern Recognition using Online Sequential Extreme Learning Machine for Finger Movement Classification

Anam, Khairul ;   Al-Jumaily, Adel

Tags Biomedical signal classificationSignal processing in physiological systemsNeural networks in biosignal processing and classification

A robust myoelectric pattern-recognition-system requires a system that should work in the real application as good as in the laboratory....

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A Supervised Learning Approach for the Robust Detection of Heart Beat in Plethysmographic Data

Grisan, Enrico ;   Cantisani, Giorgia ;   Tarroni, Giacomo ;   Yoon, Seung Keun ;   Rossi, Michele

Tags Biomedical signal classificationSignal processing in physiological systems

Wearable devices equipped with photoplethysmography (PPG) sensors are gaining an increased interest in the context of biometric signal...

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A System for Automated Quantification of Cutaneous Electrogastrograms

Paskaranandavadivel, Niranchan ;   Bull, Simon H. ;   Parsell, Doug ;   Cheng, Leo K ;   Abell, Thomas

Tags Signal processing in physiological systemsTime-frequency analysis of biosignalsSignals and systems

Clinical evaluation of cutaneous electrogastrograms (EGG) is important for understanding the role of slow waves in functional motility...

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A Wall-Less Poly(vinyl Alcohol) Cryogel Flow Phantom with Accurate Scattering Properties for Transcranial Doppler Ultrasound Propagation Channels Analysis

Weir, Alexander James ;   Sayer, Robin ;   Wang, Cheng-Xiang ;   Parks, Stuart

Tags Biomedical simulation involving signal processingSignal processing in physiological systemsSignals and systems

Medical phantoms are frequently required to verify image and signal processing systems, and are often used to support algorithm development...

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Accuracy of Devices for Self-Monitoring of Blood Glucose: A Stochastic Error Model

Vettoretti, Martina ;   Facchinetti, Andrea ;   Sparacino, Giovanni ;   Cobelli, Claudio

Tags Biomedical simulation involving signal processingSignal processing in physiological systems

Self-monitoring of blood glucose (SMBG) devices are portable systems that allow measuring glucose concentration in a small drop of blood...

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Accurate Measurement of Respiratory Airflow Waveforms using Depth Data

Seppänen, Tiina Maarit ;   Kananen, Janne ;   Noponen, Kai ;   Alho, Olli-Pekka ;   Seppänen, Tapio

Tags Signal processing in physiological systemsParametric filtering and estimation

Respiratory disorders are a very common and growing health problem. Signal waveforms of respiratory airflow and volume may indicate...

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Accurate Walking and Running Speed Estimation using Wrist Inertial Data

Bertschi, Mattia ;   Celka, Patrick ;   Delgado-Gonzalo, Ricard ;   Lemay, Mathieu ;   Calvo, Enric ;   Grossenbacher, Olivier ;   Renevey, Philippe

Tags Signal processing in physiological systemsNonlinear analysis of biomedical signalsPattern recognition methods for data mining in biosignals

In this work, we present an accelerometry-based device for robust running speed estimation integrated into a watch-like device. The...

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Adaptive Removal of Motion Artifacts in Biopotential Measurements by using the Power-Line Interference

Xu, Lin ;   Rooijakkers, Michael Johannes ;   Peuscher, Jan ;   Rabotti, Chiara ;   Mischi, Massimo

Tags Adaptive filteringSignal processing in physiological systems

This study presents a novel adaptive filtering method for motion artefact removal, which does not require an additional sensor nor any signal...

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Age Group Classification and Gender Detection based on Forced Expiratory Spirometry

Ozbek, I. Yucel ;   Cosgun, Sema

Tags Biomedical signal classificationSignal processing in physiological systemsPattern recognition methods for data mining in biosignals

This paper investigates the utility of forced expiratory spirometry (FES) test with efficient machine learning algorithms for the purpose of...

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Age-Related Motor Unit Remodeling in the Tibialis Anterior

Siddiqi, Ariba ;   Kant Kumar, Dinesh ;   Poosapadi Arjunan, Sridhar

Tags Signal processing in physiological systemsNonlinear analysis of biomedical signalsSignals and systems

Limited studies exist on the use of surface electromyogram (EMG) signal features to detect age-related motor unit remodeling in the Tibialis...

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Amplitude and Frequency Changes in Surface EMG of Biceps Femoris during Five Days Bruce Protocol Treadmill Test

Jamaluddin, Nurul Fauzani ;   Siti Anom, Ahmad ;   Md Ali, Sawal Hamid

Tags Time-frequency analysis of biosignalsSignal processing in physiological systemsClosed loop systems in physiological systems

Electromyography (EMG) is one of the indirect tools in indexing fatigue. Fatigue can be detected when there are changes on amplitude and...

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An Analytical Model for Regular Respiratory Signals Derived from the Probability Density Function of Rayleigh Distribution

Li, Xin ;   Li, Ye

Tags Biomedical simulation involving signal processingSignals and systemsSignal processing in physiological systems

Regular respiratory signals (RRSs) acquired with physiological sensing systems (e.g., the life-detection radar system) can be used to locate...

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An ECG Oximetry System for Identifying Obstructive and Central Apnoea Events

de Chazal, Philip ;   Sadr, Nadi ;   Jayawardhana, Madhuka

Tags Biomedical signal classificationMultivariate signal processingSignal processing in physiological systems

An automatic algorithm for processing simultaneously acquired electrocardiogram (ECG) and oximetry signals that identifies epochs of pure...

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An Improved Artifact Removal Algorithm for Continuous Cardiac Output and Blood Pressure Recordings

Tronstad, Christian ;   Omenås, Ivar Nagelgaard ;   Rosseland, Leiv Arne

Tags Signal processing in physiological systemsSignals and systems

Measurement artifacts are common in hemodynamic recordings such as cardiac output and blood pressure. Manual artifact removal is cumbersome...

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An Investigation of Time-Varying and Simultaneous Frequency Stimulation for Multi-Class SSVEP-Based Brain-Computer Interface

Dehzangi, Omid ;   Jafari, Roozbeh

Tags Biomedical simulation involving signal processingSignal processing in physiological systemsPattern recognition methods for data mining in biosignals

In recent years, there has been increasing interest in using steady-state visual evoked potentials (SSVEP) in brain-computer interface (BCI)...

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An Online Algorithm for Least-Square Spectral Analysis: Applied to Time-Frequency Analysis of Heart Rate

Zhang, Zhe ;   Leong, Philip Heng Wai

Tags Time-frequency analysis of biosignalsSignal processing in physiological systemsBiomedical simulation involving signal processing

We propose a novel online algorithm for computing least-square based periodograms, otherwise known as the Lomb-Scargle Periodogram. Our...

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An Open-Source Toolbox for Standardized use of PhysioNet Sleep EDF Expanded Database

Imtiaz, Syed Anas ;   Rodriguez-Villegas, Esther

Tags Signal processing in physiological systemsBiomedical signal classificationSignals and systems

PhysioNet Sleep EDF database has been the most popular source of data used for developing and testing many automatic sleep staging...

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Analysis and Classification of Oximetry Recordings to Predict Obstructive Sleep Apnea Severity in Children

Gutierrez, Gonzalo Cesar ;   Kheirandish-Gozal, Leila ;   Álvarez, Daniel ;   Crespo, Andrea ;   Philby, Mona F. ;   Mohammadi, Meelad ;   del Campo, Félix ;   Gozal, David ;   Hornero, Roberto

Tags Signal processing in physiological systemsBiomedical signal classificationSignals and systems

Current study is focused around the potential use of oximetry to determine the obstructive sleep apnea-hypopnea syndrome (OSAHS) severity...

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Analysis of Biceps Brachii Semg Signal using Multiscale Fuzzy Approximate Entropy

Makaram, Navaneethakrishna ;   Periyamolapalayam Allimuthu, Karthick ;   Ramakrishnan, Swaminathan

Tags Time-scale and waveletsNonlinear analysis of biomedical signalsSignal processing in physiological systems

In this work, an attempt has been made to differentiate sEMG signals under muscle fatigue and non-fatigue conditions using multiscale...

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Analysis of Epileptic Seizure Count Time Series by Ensemble State Space Modelling

Galka, Andreas ;   Boor, Rainer ;   Doege, Corinna ;   von Spiczak, Sarah ;   Stephani, Ulrich ;   Siniatchkin, Michael

Tags Signal processing in physiological systemsKalman filteringBlind source separation

We propose an approach for the analysis of epileptic seizure count time series within a state space framework. Time-dependent dosages of...

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Analysis of T-Wave Alternans in Ambulatory Recordings using the ADTWA Index

Corino, Valentina ;   Monacizzo, Simone ;   Sassi, Roberto ;   Mainardi, Luca ;   Martínez, Juan Pablo

Tags Signal processing in physiological systems

Cardiovascular diseases are the major cause of death in adults and elderly in the majority of the developed countries and in many developing...

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Analysis of Uterine Activity in Nonpregnant Women by Electrohysterography: A Feasibility Study

Rabotti, Chiara ;   Sammali, Federica ;   Kuijsters, Nienke Pertronella Maria ;   Kortenhorst, Madeleine Susanne Quirine ;   Schoot, Benedictus Christiaan ;   Mischi, Massimo

Tags Signal processing in physiological systemsSignals and systems

With an overall effectiveness below 30%, in vitro fertilization (IVF) is in urgent need for improvements, especially in view of the increasing...

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Arousal Recognition System based on Heartbeat Dynamics during Auditory Elicitation

Nardelli, Mimma ;   Valenza, Gaetano ;   Greco, Alberto ;   Lanata', Antonio ;   Scilingo, Enzo Pasquale

Tags Signal processing in physiological systemsBiomedical signal classificationNonlinear analysis of biomedical signals

This study reports on the recognition of different arousal levels, elicited by affective sounds, performed using estimates of autonomic...

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Assessing Cerebral Blood Flow Control from Variability in Blood Pressure and Arterial CO2 Levels

Nikolic, Dragana ;   Birch, Anthony Alan ;   Panerai, Ronney ;   Simpson, David Martin

Tags Multivariate signal processingParametric filtering and estimationSignal processing in physiological systems

Blood flow to the brain is controlled by a number of physiological mechanisms that respond to changes in arterial blood pressure, arterial CO2...

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Assessment of Beta Cell Function and Insulin Secretion in Subjects that Underwent Renal Transplantation

Tura, Andrea ;   Hecking, Manfred ;   Wolzt, Michael ;   Saemann, Marcus D. ;   Pacini, Giovanni

Tags Signal processing in physiological systemsNonlinear dynamics in biomedical signalsBiomedical simulation involving signal processing

In this study we aimed to assess the performance of various indices of beta-cell function derived from oral glucose tolerance test (OGTT) in...

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Assessment of Information Transfer between EEG and Near-Infrared Spectroscopy by Means of Transfer Entropy

Youssef Ali Amer, Ahmed ;   Caicedo Dorado, Alexander ;   Thewissen, Liesbeth ;   Smits, Anne ;   Elbarbary, Khairy ;   Allegaert, Karel ;   Naulaers, Gunnar ;   Van Huffel, Sabine

Tags Signal processing in physiological systemsDirectionalityCausality

In this study we assess the directionality of transfer of information between Electroencephalography (EEG) and Near-infrared spectroscopy...

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Assessment of Quality of ECG for Accurate Estimation of Heart Rate Variability in Newborns

Gholinezhadasnefestani, Shima ;   Temko, Andriy ;   Stevenson, Nathan ;   Boylan, Geraldine ;   Lightbody, Gordon ;   Marnane, Liam

Tags Time-frequency analysis of biosignalsSignal processing in physiological systemsSignals and systems

The Heart Rate Variability has been recently used to determine the severity of Hypoxic Ischemic Encephalopathy in neonates. However, it was...

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Assessment of the Activation Patterns of the Muscles Involved in the FR Test in Diabetic Neuropathic Patients

Maranesi, Elvira ;   Di Nardo, Francesco ;   Ghetti, Giacomo Giuseppe ;   Mercante, Oriano ;   Rabini, Rosa Anna ;   Burattini, Laura ;   Fioretti, Sandro

Tags Signal processing in physiological systems

This study was designed to assess, in elderly neuropathic diabetic (DN) patients, the activation patterns of the main muscles involved in the...

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Atrial Signal Extraction in Atrial Fibrillation Electrocardiograms using a Tensor Decomposition Approach

Ribeiro, Lucas ;   Hidalgo-Muñoz, Antonio R. ;   Zarzoso, Vicente

Tags Blind source separationSignal processing in physiological systems

Atrial fibrillation (AF) is the most common cardiac arrhythmia encountered in clinical practice and remains a major challenge in cardiology. The...

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Atrial Sources Identification by Causality Analysis during Atrial Fibrillation

Rodrigo, Miguel ;   Climent, Andreu M. ;   Liberos, Alejandro ;   Fernandez-Avilés, Francisco ;   Berenfeld, Omer ;   Atienza, Felipe ;   Guillem, Maria S.

Tags CausalityBiomedical simulation involving signal processingSignal processing in physiological systems

Ablation of electrical drivers during atrial fibrillation (AF) has been proved as an effective therapy to prevent recurrence of fibrillatory...

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Automated Analysis of Local Field Potentials Evoked by Mechanical Whisker Stimulation in Rat Barrel Cortex

Rubega, Maria ;   Cecchetto, Claudia ;   Vassanelli, Stefano ;   Sparacino, Giovanni

Tags Signal processing in physiological systems

Local field potentials (LFPs) recorded in the barrel cortex in rats and mice are important to investigate somatosensory systems, the final...

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Automated Analysis of Nocturnal Oximetry as Screening Tool for Childhood Obstructive Sleep Apnea-Hypopnea Syndrome

Álvarez, Daniel ;   Kheirandish-Gozal, Leila ;   Gutierrez, Gonzalo Cesar ;   Crespo, Andrea ;   Philby, Mona F. ;   Mohammadi, Meelad ;   del Campo, Félix ;   Gozal, David ;   Hornero, Roberto

Tags Multivariate signal processingSignal processing in physiological systemsBiomedical signal classification

Childhood obstructive sleep apnea-hypopnea syndrome (OSAHS) is a highly prevalent condition that negatively affects health, performance and...

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Automatic Characterization of Sleep Need Dissipation Dynamics using a Single EEG Signal

Garcia-Molina, Gary Nelson ;   Bellesi, Michele ;   Riedner, Brady ;   Pastoor, Sander ;   Pfundtner, Stefan ;   Tononi, Giulio

Tags Signal processing in physiological systemsBiomedical signal classificationPattern recognition methods for data mining in biosignals

In the two-process model of sleep regulation, slow-wave activity (SWA, i.e. the EEG power in the 0.5-4 Hz frequency band) is considered a...

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Automatic Classification of Saccadic versus Fixation Phases for Head-Free Gaze Shifts using Supervised Support Vector Machines with Gaussian Kernels

Haji Abolhassani, Iman ;   Galiana, Henrietta L.

Tags Biomedical signal classificationNonlinear analysis of biomedical signalsSignal processing in physiological systems

The gaze orientation system generates two major types of response, namely the fast (or saccadic) phase and the slow (or fixation) phase....

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Automatic Sleep Staging based on ECG Signals using Hidden Markov Models

Chen, Ying ;   Zhu, Xin ;   Chen, Wenxi

Tags Markov models in signal pattern classificationSignal processing in physiological systemsEmpirical mode decomposition in biosignal analysis

This study is designed to investigate the feasibility of automatic sleep staging using features only derived from electrocardiography (ECG)...

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Automatic Sleep Staging using State Machine-Controlled Decision Trees

Imtiaz, Syed Anas ;   Rodriguez-Villegas, Esther

Tags Biomedical signal classificationSignal processing in physiological systemsSignals and systems

Automatic sleep staging from a reduced number of channels is desirable to save time, reduce costs and make sleep monitoring more accessible...

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Autonomic Nervous System Response to L-Dopa in Patients with Advanced Parkinson's Disease

Ruonala, Verneri Matias ;   Tarvainen, Mika ;   Karjalainen, Pasi, A ;   Pekkonen, Eero ;   Rissanen, Saara Mirjami

Tags Time-frequency analysis of biosignalsSignal processing in physiological systems

Levodopa is the main treatment method for reducing the symptoms of Parkinson’s disease. Whereas it reduces the motor symptoms efficiently,...

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Avionic Technology Testing by using a Cognitive Neurometric Index: A Study with Professional Helicopter Pilots

Borghini, Gianluca ;   Arico, Pietro ;   Di Flumeri, Gianluca ;   Salinari, Serenella ;   Colosimo, Alfredo ;   Bonelli, Stefano ;   Napoletano, Linda ;   Ferreira, Ana ;   Babiloni, Fabio

Tags Time-frequency analysis of biosignalsSignal processing in physiological systems

In this study, we investigated the possibility to evaluate the impact of different avionic technologies on the mental workload of helicopter’s...

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Bayesian Fusion of Algorithms for the Robust Estimation of Respiratory Rate from the Photoplethysmogram

Clifton, David ;   Zhu, Tingting ;   Pimentel, Marco A.F. ;   Clifford, Gari

Tags Time-frequency analysis of biosignalsSignal processing in physiological systemsData mining in biosignals

Respiratory rate (RR) is a key vital sign that is monitored to assess the health of patients. With the increase of the availability of...

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Binary Autonomic State Classification based on Basic Heart Rate Variability Indices

Ito, Toshiki ;   Yamashita, Shohei ;   Yana, Kazuo

Tags Biomedical signal classificationSignal processing in physiological systemsMultivariate signal processing

This paper examined the basic state classification accuracy utilizing standard heart rate variability (HRV) indices. HF, LF/HF, HRV mean and...

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Blood Pressure and Pulse Interval Coupling: A Copula Approach

Bajic, Dragana ;   Loncar-Turukalo, Tatjana ;   Skoric, Tamara ;   Japundzic-Zigon, Nina

Tags Multivariate signal processingNonlinear coupling of biomedical signalsSignal processing in physiological systems

In this paper a copula approach is applied as a tool for assessing the measure of statistical dependence of parallel cardiovascular time...

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Brain Activities during Synchronized Tapping Task

Murakami, Akiho ;   Hiroyasu, Tomoyuki ;   Goto, Mao ;   Yokouchi, Hisatake

Tags Signal processing in physiological systemsSignals and systemsBiomedical simulation involving signal processing

This study aims to investigate how people process information about other people to determine a response during human-to-human cooperative...

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Breath-By-Breath Detection of Apneic Events for OSA Severity Estimation using Non-Contact Audio Recordings

Rosenwein, Tal ;   Dafna, Eliran ;   Tarasiuk, Ariel ;   Zigel, Yaniv

Tags Signal processing in physiological systemsBiomedical signal classificationTime-frequency analysis of biosignals

Obstructive sleep apnea (OSA) is a prevalent sleep disorder, characterized by recurrent obstructions of the upper airway during sleep. We...

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Breathing Rate Estimation during Sleep using Audio Signal Analysis

Dafna, Eliran ;   Rosenwein, Tal ;   Tarasiuk, Ariel ;   Zigel, Yaniv

Tags Signal processing in physiological systemsMultivariate signal processingTime-frequency analysis of biosignals

Sleep is associated with important changes in respiratory rate and ventilation. Currently, breathing rate (BR) is measured during sleep using...

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Breathing Sounds Characteristics Correlates with Structural Changes of Upper Airway in Obstructive Sleep Apnea

Moussavi, Zahra ;   Elwali, Ahmed Khalil ;   Soltanzadeh, Ramin ;   MacGregor, Cameron Andrew ;   Lithgow, Brian

Tags Signal processing in physiological systemsTime-frequency analysis of biosignals

This paper reports on a pilot study of acoustic properties of respiratory sounds in relation to obstructive sleep apnea (OSA). Data were...

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Cardiovascular Control in Spontaneous Hypertensive and Normotensive Sinoaortic Denervated Rats during Hemorrhagic Shock

Aletti, Federico ;   Dos Santos, Fernando ;   Dias Moreira, Edson ;   Irigoyen, Maria Claudia ;   Ferrario, Manuela

Tags Closed loop systems in physiological systemsMultivariate signal processingSignal processing in physiological systems

Hemorrhagic shock is characterized by blood loss, rapid decrease in blood pressure, and sympathetic activation aimed at increasing heart rate...

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Causal Coherence Analysis of Cardiovascular Variables in Obese Preadolescents and Adolescents

Javorka, Michal ;   Czippelova, Barbora ;   Turianikova, Zuzana ;   Lazarova, Zuzana ;   Tonhajzerova, Ingrid ;   Javorka, Kamil ;   Baumert, Mathias

Tags CausalityClosed loop systems in physiological systemsSignal processing in physiological systems

Obesity during adulthood has been associated with cardiovascular disease, but its adverse effects during adolescence are less well...

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Changes in Cerebrovascular Time Constant in Response to Lower Body Negative Pressure

Kasprowicz, Magdalena ;   Czosnyka, Marek ;   Placek, Michal Marcin ;   Diehl, Rolf R. ;   Haubrich, Christina

Tags Signals and systemsSignal processing in physiological systems

The cerebrovascular time constant (?[s]) theoretically estimates the pulse arrival time in the cerebral arteries. In this study, we aim to...

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Classification of Driver Fatigue in an Electroencephalography-Based Countermeasure System with Source Separation Module

Chai, Rifai ;   Naik, Ganesh R ;   Tran, Yvonne ;   Ling, Steve ;   Craig, Ashley ;   Nguyen, Hung T.

Tags Biomedical signal classificationBlind source separationSignal processing in physiological systems

An electroencephalography (EEG)-based counter measure device could be used for fatigue detection during driving. This paper explores the...

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Classification of High Frequency Oscillations in Epileptic Intracerebral EEG

Jrad, Nisrine ;   Kachenoura, Amar ;   Merlet, Isabelle ;   Pasnicu, Anca ;   Bénar, Christian G. ;   Wendling, Fabrice

Tags Biomedical signal classificationSignal processing in physiological systemsTime-scale and wavelets

High Frequency Oscillations (HFOs 40-500 Hz), recorded from intracerebral electroencephalography (iEEG) in epileptic patients, are categorized...

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Classifying the Auditory P300 using Mobile EEG Recordings without Calibration Phase

Zink, Rob ;   Hunyadi, Borbala ;   Van Huffel, Sabine ;   De Vos, Maarten

Tags Biomedical signal classificationSignal processing in physiological systemsBlind source separation

One of the major drawbacks in mobile EEG Brain Computer Interfaces (BCI) is the need for subject specific training data to train a...

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Clusters of Mu Rhythm from EEG Data: A Comparative Study between 61 and 19 Channel Datasets

Tacchino, Giulia ;   Bianchi, Anna Maria

Tags Independent component analysisTime-frequency analysis of biosignalsSignal processing in physiological systems

The EEG mu rhythm is a sensorimotor oscillation which is desynchronized by voluntary movement execution. Independent Component Analysis (ICA)...

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Comparison of EEG and MEG in Source Localization of Induced Human Gamma-Band Oscillations during Visual Stimulus

Mideksa, Kidist Gebremariam ;   Hogenboom, Nienke ;   Helge, Hellriegel ;   Krause, Holger ;   Schnitzler, Alfons ;   Gunther, Deuschl ;   Jan, Raethjen ;   Heute, Ulrich ;   Muthuraman, Muthuraman

Tags Signal processing in physiological systemsTime-frequency analysis of biosignalsNonlinear dynamics in biomedical signals

High frequency gamma oscillations are indications of information processing in cortical neuronal networks. Recently, non-invasive detection of...

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Comparison of Three ICA Algorithms for Ocular Artifact Removal from TMS-EEG Recordings

Lyzhko, Ekaterina ;   Hamid, Laith ;   Makhortykh, Sergey ;   Moliadze, Vera ;   Siniatchkin, Michael

Tags Signal processing in physiological systemsBlind source separationIndependent component analysis

The combination of transcranial magnetic stimulation (TMS) and electroencephalography (EEG) is a powerful tool to investigate brain...

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Complex Tensor based Blind Source Separation of EEG for Tracking P300 Subcomponents

Kouchaki, Samaneh ;   Enshaeifar, Shirin ;   Cheong Took, Clive ;   Sanei, Saeid

Tags Blind source separationPrincipal component analysisSignal processing in physiological systems

Complex tensor factorisation of correlated brain sources is addressed in this paper. The electrical brain responses due to motory, sensory,...

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Complexity of Cerebral Blood Flow Velocity and Arterial Blood Pressure in Subarachnoid Hemorrhage using Time-Frequency Analysis

Placek, Michal Marcin ;   Wachel, Pawel ;   Czosnyka, Marek ;   Soehle, Martin ;   Smielewski, Peter ;   Kasprowicz, Magdalena

Tags Time-frequency analysis of biosignalsNonstationary processing of biomedical signalsSignal processing in physiological systems

We investigated changes of time-frequency (TF) complexity, in terms of Rényi entropy and a measure of concentration, of middle cerebral...

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Correlational Analysis of Electroencephalographic and End-Tidal Carbon Dioxide Signals during Breath-Hold Exercise

Morelli, Maria Sole ;   Vanello, Nicola ;   Giannoni, Alberto ;   Frijia, Francesca ;   Hartwig, Valentina ;   Maestri, Michelangelo ;   Bonanni, Enrica ;   Carnicelli, Luca ;   Positano, Vincenzo ;   Passino, Claudio ;   Emdin, Michele ;   Landini, Luigi

Tags Signal processing in physiological systems

The central mechanism of breathing control is not totally understood. Several studies evaluated the correlation between...

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Data-Driven Metric Representing the Maturation of Preterm EEG

Koolen, Ninah ;   Dereymaeker, Anneleen ;   Räsänen, Okko ;   Jansen, Katrien ;   Vervisch, Jan ;   Matic, Vladimir ;   De Vos, Maarten ;   Naulaers, Gunnar ;   Van Huffel, Sabine ;   Vanhatalo, Sampsa

Tags Nonstationary processing of biomedical signalsSignal processing in physiological systems

Essential information about early brain maturation can be retrieved from the preterm human electroencephalogram (EEG). This study proposes...

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Dependence of Cardiac Spectrum on the Spatial Resolution of the Electrode Systems in a Realistic Model of the Canine Ventricles

Beltrán Molina, Ferney Alberto ;   Cruz Salazar, Emeterio ;   Requena Carrion, Jesus

Tags Time-frequency analysis of biosignalsBiomedical simulation involving signal processingSignal processing in physiological systems

Body-surface dominant frequency (DF) mapping has been proposed as a technique for non-invasively identifying high-frequency cardiac sources...

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Detecting Breast Cancer using Microwave Imaging and Stochastic Optimization

Jeremic, Aleksandar ;   Khosrowshahli, Elham

Tags Biomedical simulation involving signal processingSignal processing in physiological systems

Breast cancer detection is one of the most important problems in health care as it is second most frequent cancer according to WHO. Breast...

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Detection of Essential Hypertension with Physiological Signals from Wearable Devices

Ghosh, Arindam ;   Mayor Torres, Juan Manuel ;   Danieli, Morena ;   Riccardi, Giuseppe

Tags Data mining in biosignalsBiomedical signal classificationSignal processing in physiological systems

Early detection of essential hypertension can support the prevention of cardiovascular disease, a leading cause of death. The traditional...

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Detection of Fiducial Points in ECG Waves using Iteration based Adaptive Thresholds

Kang, Wonjune ;   Byun, Kyungguen ;   Kang, Hong-Goo

Tags Signal processing in physiological systemsTime-frequency analysis of biosignalsBiomedical signal classification

This paper presents an algorithm for the detection of fiducial points in electrocardiogram (ECG) waves using iteration based adaptive...

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Detection of G-Induced Loss of Consciousness (G-LOC) Prognosis through EMG Monitoring on Gastrocnemius Muscle in Flight

Choi, Booyong ;   Lee, Yongkyun ;   Cho, Taehwan ;   Koo, Hyojin ;   Kim, Dongsoo

Tags Pattern recognition methods for data mining in biosignalsSignal processing in physiological systemsNonlinear dynamics in biomedical signals

G-Induced Loss of Consciousness (G-LOC) is mainly caused by the sudden acceleration in the direction of +Gz axis from the fighter pilots, and...

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Detection of Stress/anxiety State from EEG Features during Video Watching

Giannakakis, Giorgos ;   Grigoriadis, Dimitris ;   Tsiknakis, Manolis

Tags Signal processing in physiological systemsMultivariate signal processingPattern recognition methods for data mining in biosignals

This paper studies the effect of stress/anxiety states on EEG signals during video sessions. The levels of arousal and valence that are...

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Detection of the Recovery Phase of in Vivo Gastric Slow Wave Recordings

Paskaranandavadivel, Niranchan ;   Pan, Xingzheng ;   Du, Peng ;   O'Grady, Gregory ;   Cheng, Leo K

Tags Signal processing in physiological systemsSignals and systemsMultivariate signal processing

Gastric motility is coordinated by bio-electrical events known as slow waves. Abnormalities in slow waves are linked to major functional and...

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Differentiating Tremor Patients using Spiral Analyses

Koirala, Nabin ;   Muthuraman, Muthuraman ;   Anjum, Tauqeer ;   Chirumamilla, Venkata Chaitanya ;   Helmolt, Friederike von ;   Mideksa, Kidist Gebremariam ;   Lange, Katrin ;   Schmidt, Gerhard ;   Schneider, Sussane ;   Gunther, Deuschl

Tags Signal processing in physiological systemsTime-frequency analysis of biosignalsBiomedical signal classification

Essential tremor follows an autosomal dominant type of inheritance in the majority of patients, yet its genetic basis has not been identified....

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Distribution Entropy Analysis of Epileptic EEG Signals

Li, Peng ;   Yan, Chang ;   Karmakar, Chandan ;   Liu, Changchun

Tags Nonlinear dynamics in biomedical signalsBiomedical signal classificationSignal processing in physiological systems

It is an open-ended challenge to accurately detect the epileptic seizures through electroencephalogram (EEG) signals. Recently published...

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Dry Contact Fingertip ECG-Based Authentication System using Time, Frequency Domain Features and Support Vector Machine

Singh, Karan ;   Singhvi, Akshit ;   Pathangay, Vinod

Tags Biomedical signal classificationSignal processing in physiological systemsNeural networks in biosignal processing and classification

Acquiring fingertip ECG (electro cardiogram) signal using dry contact electrodes is challenging due to the presence of noise and interference...

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Dynamic Response of Cardiac Autonomic Nervous System Activity to Habitual Exercise during Gradual Variation of Breathing Frequency

Nakamura, Hideo

Tags Signal processing in physiological systemsNonlinear analysis of biomedical signalsNonlinear dynamics in biomedical signals

The purpose of this study is to measure cardiac autonomic nervous system activity during breathing control with gradual alteration of the...

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Dysfunctional Long Term Habituation to Exogeneous Tinnitus-Matched Sounds in Patients with High Tinnitus Distress

Lehser, Caroline ;   Hannemann, Ronny ;   Corona-Strauss, Farah I. ;   Strauss, Daniel J. ;   Haab, Lars ;   Seidler-Fallböhmer, Birgit ;   Seidler, Harald

Tags Phase locking estimation in biosignal analysisTime-scale and waveletsSignal processing in physiological systems

During the last years, the demand of accurate diagnostic tools for individualized tinnitus treatment gradually increased. Today several...

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EEG Signal Features Extraction based on Fractal Dimension

Finotello, Francesca ;   Scarpa, Fabio ;   Zanon, Mattia

Tags Signal processing in physiological systemsNonlinear analysis of biomedical signalsTime-frequency analysis of biosignals

The spread of electroencephalography (EEG) in countless applications has fostered the development of new techniques for extracting...

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EEG-Based Index for Engagement Level Monitoring during Sustained Attention

Coelli, Stefania ;   Sclocco, Roberta ;   Barbieri, Riccardo ;   Reni, Gianluigi ;   Zucca, Claudio ;   Bianchi, Anna Maria

Tags Signal processing in physiological systemsNonstationary processing of biomedical signals

This paper investigates the relation between mental engagement level and sustained attention in 9 healthy adults performing a Conners’...

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Effect of Age on Changes in Motor Units Functional Connectivity

Poosapadi Arjunan, Sridhar ;   Kant Kumar, Dinesh

Tags Nonstationary processing of biomedical signalsSignal processing in physiological systemsBiomedical signal classification

With age, there is a change in functional connectivity of motor units in muscle. This leads to reduced muscle strength. This study has...

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Effect of Muscular Fatigue on Fractal Upper Limb Coordination Dynamics and Muscle Synergies

R. Bueno, Diana ;   Lizano, José María ;   Montano Gella, Luis

Tags Signal processing in physiological systems

Rehabilitation exercises cause fatigue because tasks are repetitive. Therefore, inevitable human motion performance changes occur during the...

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Effect of Music on Standing Stability

Perdomo, Oscar Julian ;   Argothy, Rodrigo Esteban ;   Wilches, Carlos Andres ;   Perdomo, Cesar

Tags Multivariate signal processingSignal processing in physiological systemsBiomedical simulation involving signal processing

The instability of balance control is commonly observed in subjects by biomechanical alterations affecting musculoskeletal, visual, vestibular...

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Effects of Cuff Inflation and Deflation on Pulse Transit Time Measured from ECG and Multi-Wavelength PPG

Liu, Jing ;   Li, Yao ;   Ding, Xiao-Rong ;   Dai, Wenxuan ;   Zhang, Yuan-Ting

Tags Signal processing in physiological systemsTime-frequency analysis of biosignals

Pulse transit time (PTT), which refers to the time it takes a pulse wave to travel between two arterial sites is a promising index for...

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Efficient Estimation of Tissue Thicknesses using Sparse Approximation for Gaussian Processes

Wissel, Tobias ;   Stueber, Patrick ;   Wagner, Benjamin ;   Schweikard, Achim ;   Ernst, Floris

Tags Pattern recognition methods for data mining in biosignalsMultivariate signal processingSignal processing in physiological systems

Highly accurate localization of the human skull is vital in cranial radiotherapy. Marker-less optical head tracking provides a fast and accurate...

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Efficient Solution Methodology for Calibrating the Hemodynamic Model using Functional Magnetic Resonance Imaging (FMRI) Measurements

Zambri, Brian ;   Djellouli, Rabia ;   Laleg, Taous-Meriem

Tags Nonlinear filteringKalman filteringSignal processing in physiological systems

Our aim is to propose a numerical strategy for retrieving accurately and efficiently the biophysiological parameters as well as the external...

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Empirical Mode Decomposition for Slow Wave Extraction from Electrogastrographical Signals

Mika, Barbara ;   Komorowski, Dariusz, Waldemar ;   Tkacz, Ewaryst

Tags Empirical mode decomposition in biosignal analysisNonstationary processing of biomedical signalsSignal processing in physiological systems

The aim of this study was to investigate the effectiveness of Empirical Mode Decomposition (EMD) for slow wave extraction from multichannel...

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Estimation of Heart Rate and Heart Rate Variability from Pulse Oximeter Recordings using Localized Model Fitting

Wadehn, Federico ;   Carnal, David ;   Loeliger, Hans-Andrea

Tags Kalman filteringTime-frequency analysis of biosignalsSignal processing in physiological systems

Heart rate variability is one of the key parameters for assessing the health status of a subject’s cardiovascular system. This paper...

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Estimation of Heart Rate from Photoplethysmography during Physical Exercises using Wiener Filtering and Phase Vocoder

Temko, Andriy

Tags Signal processing in physiological systemsNonstationary processing of biomedical signals

A system for estimation of the heart rate (HR) from the photoplethysmographic (PPG) signal during intensive physical exercises is presented....

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Estimation of Sleep Status in Sleep Apnea Patients using a Novel Head Actigraphy Technique

Hummel, Richard ;   Bradley, T. Douglas ;   Fernie, Geoff ;   Chang, Sung Jae Isaac ;   Alshaer, Hisham

Tags Time-frequency analysis of biosignalsSignal processing in physiological systemsBiomedical signal classification

Polysomnography is a comprehensive modality for diagnosing sleep apnea (SA), but it is expensive and not widely available. Several technologies...

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Evaluation of EEG Signal during the A-Phases of the Cycling Alternating Pattern using Principal Component Analysis

Ramirez-Elias, Miguel Ghebre ;   Arce Guevara, Valdemar Emigdio ;   Mendez, Martin Oswaldo ;   Alba, Alfonso

Tags Principal component analysisPattern recognition methods for data mining in biosignalsSignal processing in physiological systems

Recent studies have characterized the properties of the A-phases based on the spectral components of the EEG signal. These studies have...

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Evaluation of Gender-Related Differences in Co-Contraction Activity of Shank Muscles during Gait

Mengarelli, Alessandro ;   Maranesi, Elvira ;   Barone, Vinicio ;   Burattini, Laura ;   Fioretti, Sandro ;   Di Nardo, Francesco

Tags Signal processing in physiological systems

This study aims to investigate the possible differences between genders in co-contractions of tibialis anterior (TA) and gastrocnemius...

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Evaluation of the Beat-to-Beat Detection Accuracy of PulseOn Wearable Optical Heart Rate Monitor

Parak, Jakub ;   Tarniceriu, Adrian ;   Renevey, Philippe ;   Bertschi, Mattia ;   Delgado-Gonzalo, Ricard ;   Korhonen, Ilkka

Tags Signal processing in physiological systems

Heart rate variability (HRV) provides significant information about the health status of an individual. Optical heart rate monitoring is a...

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Experimental Evidence for the Effects of the Demand-Control Model on the Cognitive Arousal: An EEG based Study

Subhani, Ahmad Rauf ;   Malik, Aamir Saeed ;   Kamel, Nidal ;   Saad, Naufal ;   Nandagopal, Nanda

Tags Signal processing in physiological systemsTime-frequency analysis of biosignals

The Demand-Control (DC) model has been extensively researched to find the imbalance of demand and control that cause work-related stress....

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Extending the Automated Gastrointestinal Analysis Pipeline: Removal of Invalid Slow Wave Marks in Gastric Serosal Recordings

Paskaranandavadivel, Niranchan ;   Du, Peng ;   Erickson, Jon ;   O'Grady, Gregory ;   Cheng, Leo K

Tags Multivariate signal processingSignal processing in physiological systemsSignals and systems

Gastric contractions are governed by a bio-electrical event known as slow waves. High-resolution electrical mapping has recently been applied...

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Feasibility Study on Joint Angle Estimation by Means of Muscle Bulge Movement Longitudinally Along the Forearm

Kato, Akira ;   Matsumoto, Yuya ;   Kobayashi, Yo ;   Sugano, Shigeki ;   Fujie, Masakatsu G.

Tags Signals and systemsSignal processing in physiological systemsBiomedical simulation involving signal processing

Controlling the extent of motion from surface electromyogram requires the complex musculoskeletal model, and is not put into current...

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Feature Extraction in Accelerometer-Based Mechanomyography during Pediatric Gait

Plewa, Katherine ;   Chau, Tom

Tags Signal processing in physiological systemsTime-frequency analysis of biosignalsTime-scale and wavelets

Mechanomyography is a good way to measure muscle activity and provide biofeedback; however, motion artifact in dynamic movements poses a...

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Fetal Heart Rate Feature Extraction from Cardiotocographic Recordings through Autoregressive Model's Power Spectral and Pole-Based Analysis

Illanes-Manriquez, Alfredo ;   Haritopoulos, Michel

Tags Signal processing in physiological systemsSignals and systems

The main objective of this work is to perform an autoregressive model (AR)-based power spectral analysis of the fetal heart rate (FHR)...

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Globally Conditioned Causality in Estimating Directed Brain-Heart Interactions through Joint MRI and RR Series Analysis

Duggento, Andrea ;   Bianciardi, Marta ;   Wald, Lawrence L. ;   Passamonti, Luca ;   Guerrisi, Maria ;   Barbieri, Riccardo ;   Toschi, Nicola

Tags CausalityMultivariate signal processingSignal processing in physiological systems

We used 7T fMRI with simultaneous physiological signals acquisitions to investigate the causal interactions from resting state brain activity to...

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Glucose Sensors for Diabetes Management: No Need of 24h Warm-Up Time by use of Bayes Estimation

Acciaroli, Giada ;   Vettoretti, Martina ;   Facchinetti, Andrea ;   Sparacino, Giovanni ;   Cobelli, Claudio

Tags Signal processing in physiological systems

Continuous glucose monitoring sensors for diabetes management still suffer from accuracy problems, especially in the first 24h of monitoring....

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Heart Rate Calculation from Ensemble Brain Wave using Wavelet and Teager-Kaiser Energy Operator

Jayaraman, Srinivasan ;   V, Adithya

Tags Signal processing in physiological systemsNonstationary processing of biomedical signalsNonlinear synchronization of biomedical signals

Electroencephalogram (EEG) signal artifacts are caused by various factors, such as, Electro-oculogram (EOG), Electromyogram (EMG),...

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Heart Rate Variability during Plateau Waves of Intracranial Pressure: A Pilot Descriptive Study

Lopes Luís, Ana Isabel ;   Seromenho e Santos, Alexandra ;   Dias, Celeste ;   Almeida, Rute ;   Rocha, Ana Paula

Tags Time-frequency analysis of biosignalsSignal processing in physiological systems

The present study aim to describe heart rate variability during the first episode of plateau waves of intracranial pressure (ICP) in...

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Heart Rate Variability in Cyclic Alternating Pattern during Sleep in Healthy and Nocturnal Front Lobe Epilepsy Patients

Dorantes Méndez, Guadalupe ;   Mendez, Martin Oswaldo ;   Alba, Alfonso ;   Gonzalez, Jose Saul ;   Parrino, Liborio ;   Milioli, Giulia

Tags Signal processing in physiological systemsTime-frequency analysis of biosignalsSignals and systems

The aim of this paper is to assess heart rate variability (HRV) during the cyclic alternating pattern, which is a sleep phenomenon, composed...

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Hidden Markov Model-Based Strategy for Gait Segmentation using Inertial Sensors: Application to Elderly, Hemiparetic Patients and Huntington's Disease Patients

Mannini, Andrea ;   Trojaniello, Diana ;   Della Croce, Ugo ;   Sabatini, Angelo Maria

Tags Markov models in signal pattern classificationSignal processing in physiological systemsMultivariate signal processing

A solution to discriminate stance and swing in both healthy and abnormal gait using inertial sensors is proposed. The method is based on a two...

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Human Emotion Recognition using Heart Rate Variability Analysis with Spectral Bands based on Respiration

Valderas, María Teresa ;   Bolea, Juan ;   Laguna, Pablo ;   Vallverdu, Montserrat ;   Bailon, Raquel

Tags Time-frequency analysis of biosignalsSignal processing in physiological systems

The work presented in this paper aims at assessing human emotion recognition by means of the analysis of the heart rate variability (HRV)...

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Identification of Epileptogenic Networks from Dense EEG: A Model-Based Study

Hassan, Mahmoud ;   Mheich, Ahmad ;   Biraben, Arnaud ;   Merlet, Isabelle ;   Wendling, Fabrice

Tags Signal processing in physiological systemsConnectivity measurementsNonlinear synchronization of biomedical signals

Epilepsy is a network disease. Identifying the epileptogenic networks from noninvasive recordings is a challenging issue. In this context, M/EEG...

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Identifying Stable Phase Coupling Associated with Cerebral Autoregulation using the Synchrosqueezed Cross-Wavelet Transform and Low Oscillation Morlet Wavelets

Addison, Paul

Tags Signal processing in physiological systemsTime-scale and waveletsPhase locking estimation in biosignal analysis

A novel method of identifying stable phase coupling behavior of two signals within the wavelet transform time-frequency plane is presented....

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Improving Sleep/Wake Detection via Boundary Adaptation for Respiratory Spectral Features

Long, Xi ;   Haakma, Reinder ;   Rolink, Jerome ;   Fonseca, Pedro ;   Aarts, Ronald M.

Tags Biomedical signal classificationSignal processing in physiological systemsAdaptive filtering

In previous work, respiratory spectral features have been successfully used for sleep/wake detection. They are usually extracted from...

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Improving the Prediction Performance of PLSR using RReliefF and FSD for the Quantitative Analysis of Glucose in Near Infrared Spectra

Patchava, Krishna Chaitanya ;   Benaissa, Mohammed ;   Behairy, Hatim

Tags Multivariate signal processingSignal processing in physiological systemsBiomedical simulation involving signal processing

This paper proposes a novel pre-processing method, Fourier Self Deconvoluted RReliefF (FSDR) that is based on combining Fourier Self...

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Indices for the Assessment of Glycemic Control Quality based on Pre-Prandial Glucose Monitoring in Subjects under DPP-4 Inhibitors

Tura, Andrea ;   Farngren, Johan ;   Schweizer, Anja ;   Foley, James E. ;   Pacini, Giovanni ;   Ahrén, Bo

Tags Signal processing in physiological systemsNonlinear analysis of biomedical signals

This study explored the utility of 4-point pre-prandial glucose monitoring to calculate indices of glycemic control quality. This analysis utilized...

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Induced Schizophrenic Like Breathing Pattern Leads to Impaired Cardiorespiratory Coupling in Healthy Subjects

Schulz, Steffen ;   Haueisen, Jens ;   Bär, Karl-Jürgen ;   Voss, Andreas

Tags CausalityPartial and total coherenceSignal processing in physiological systems

Schizophrenia is referred to as one of the most severe mental disorders in the world, and patients with this condition are associated with...

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Ineffective Efforts in ICU Assisted Ventilation: Exploring Causalities via Multiscale Analysis

Chytas, Achilleas ;   Babales, Dimitris ;   Georgopoulos, Dimitris ;   Maglaveras, Nikolaos ;   Chouvarda, Ioanna

Tags Time-scale and waveletsSignal processing in physiological systemsCausality

Intensive Care Unit (ICU) is a data intensive environment, requiring continuous monitoring of patient’s physiology and response to treatment....

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Inkjet Printed ECG Electrodes for Long Term Biosignal Monitoring in Personalized and Ubiquitous Healthcare

Batchelor, John ;   Casson, Alexander James

Tags Time-frequency analysis of biosignalsSignal processing in physiological systemsSignals and systems

This paper investigates the performance of inkjet printed electrodes for electrocardiogram (ECG) monitoring in personalized and ubiquitous...

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Intracranial Pressure for the Characterization of Different Types of Hydrocephalus: A Permutation Entropy Study

Adjei, Tricia ;   Abasolo, Daniel ;   Santamarta, David

Tags Nonlinear analysis of biomedical signalsSignal processing in physiological systemsNonlinear dynamics in biomedical signals

Hydrocephalus is a condition characterized by altered cerebrospinal fluid (CSF) dynamics and chronic rises in intracranial pressure (ICP)....

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Investigation of Window Size in Classification of EEG-Emotion Signal with Wavelet Entropy and Support Vector Machine

Candra, Henry ;   Yuwono, Mitchell ;   Chai, Rifai ;   Handojoseno, Aluysius Maria Ardi ;   Elamvazuthi, Irraivan ;   Nguyen, Hung T. ;   Su, Steven Weidong

Tags Signal processing in physiological systemsBiomedical signal classificationTime-frequency analysis of biosignals

When dealing with patients with psychological or emotional symptoms, medical practitioners are often faced with the problem of objectively...

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Is 50 Hz High Enough ECG Sampling Frequency for Accurate HRV Analysis?

Mahdiani, Shadi ;   Jeyhani, Vala ;   Peltokangas, Mikko ;   Vehkaoja, Antti

Tags Time-frequency analysis of biosignalsNonlinear analysis of biomedical signalsSignal processing in physiological systems

With the worldwide growth of mobile wireless technologies, healthcare services can be provided at anytime and anywhere. Usage of wearable...

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Joint Collaborative Representation based Sleep Stage Classification with Multi-Channel EEG Signals

Liu, Xiao ;   Shi, Jun ;   Tu, Yiheng ;   Zhang, Zhiguo

Tags Biomedical signal classificationPattern recognition methods for data mining in biosignalsSignal processing in physiological systems

Multi-channel electroencephalography (EEG) signals have been effectively used for sleet staging. However, it is still a challenge to effectively...

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Local Field Potentials for Understanding Pathophysiology of Tourette Syndrome: Preliminary Results

Rosa, Manuela ;   Marceglia, Sara ;   Servello, Domenico ;   Priori, Alberto

Tags Signal processing in physiological systemsTime-frequency analysis of biosignals

Neurophysiological recordings from deep brain structures in Tourette syndrome patients undergoing surgery for deep brain stimulation...

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Measuring Heart Rate Variability by Means of Information Entropies based on Choi-Williams Distribution

Vallverdu, Montserrat ;   Claria, Francesc ;   Melia, Umberto Sergio Pio ;   Bayes de Luna, Antonio ;   Caminal, Pere

Tags Signal processing in physiological systemsTime-frequency analysis of biosignalsNonlinear dynamics in biomedical signals

The Shannon entropy theory was applied to the Choi-Williams time-frequency distribution (CWD) of cardiac time series (RR series) in order to...

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MICROST: A Mixed Approach for Heart Rate Monitoring during Intensive Physical Exercise using Wrist-Type PPG Signals

Zhu, Shilin ;   Tan, Ke ;   Zhang, Xinyu ;   Liu, Zhiqiang ;   Liu, Bin

Tags Data mining in biosignalsNonstationary processing of biomedical signalsSignal processing in physiological systems

The performance of heart rate (HR) monitoring using wrist-type photoplethysmographic (PPG) signals is strongly influenced by motion...

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Model based Filtering for Artifact and Noise Suppression with State Estimation for Electrodermal Activity Measurements in Real Time

Tronstad, Christian ;   Staal, Odd Martin ;   Sælid, Steinar ;   Martinsen, Ørjan G

Tags Kalman filteringSignal processing in physiological systemsNonlinear analysis of biomedical signals

Measurement of electrodermal activity (EDA) has recently made a transition from the laboratory into real life with the emergence of wearable...

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Modeling Sleep Apnea Severity using Bioimpedance Measurements

Gavrilovic, Bojan ;   Popovic, Milos R. ;   Yadollahi, Azadeh

Tags Signal processing in physiological systemsSignals and systems

Obstructive sleep apnea (OSA) is a common disorder in adults characterized by repetitive collapse of the pharynx. OSA prevalence increases in...

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Mortality Prediction in Septic Shock Patients: Towards New Personalized Models in Critical Care

Carrara, Marta ;   Baselli, Giuseppe ;   Ferrario, Manuela

Tags Multivariate signal processingSignal processing in physiological systemsData mining in biosignals

We studied the problem of mortality prediction in 23 septic shock patients selected from the public database MIMIC-II. For each patient we...

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Multi-Channel Audio-Based Estimation of the Pre-Ejection Period

Paiva, Rui Pedro ;   Sapata, Tiago ;   Henriques, Jorge ;   Quintal, Isabel ;   Baptista, Romeu ;   Gonçalves, Lino ;   de Carvalho, Paulo

Tags Signal processing in physiological systemsSignals and systemsTime-frequency analysis of biosignals

Systolic time intervals (STI) have significant diagnostic and prognostic value to assess the global cardiac function. Presently, STIs are...

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Multi-Sources Data Analysis with Sympatho-Vagal Balance Estimation Toward Early Bruxism Episodes Detection

Kostka, Pawel Stanislaw ;   Tkacz, Ewaryst

Tags Signal processing in physiological systemsNonstationary processing of biomedical signals

Sleep bruxism events detection system is presented, based on integrated, synchronized on-line analysis of EMG signal, heart rave variability...

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Muscle Fatigue Detection during Dynamic Contraction under Blood Flow Restriction: Improvement of Detection Sensitivity using Multivariable Fatigue Indices

Ito, Kenichi ;   Korakata, Yuki ;   Hotta, Yu

Tags Signal processing in physiological systemsMultivariate signal processing

At present, in order to detect peripheral muscle fatigue, it is customary to perform a frequency domain analysis using surface...

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Neurocritical Care Informatics: Leveraging Data and Models to Improve the Care of Brain-Injured Patients

Fanelli, Andrea ;   Heldt, Thomas

Tags Signal processing in physiological systemsParametric filtering and estimationSignals and systems

Patients in neurocritical care tend to be instrumented heavily and their physiological status monitored closely so clinicians can intervene...

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Noise-Robust Auditory Evoked Potential Extraction Algorithm

Ku, Yunseo ;   Byun, Wooseok ;   Kim, Ji-Hoon ;   Kim, Hee Chan

Tags Signal processing in physiological systemsPhase locking estimation in biosignal analysisNonlinear analysis of biomedical signals

This paper presents an auditory evoked potential (AEP) extraction algorithm with the singular spectrum analysis that is robust to background...

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Non-Invasive Measurement of Blood Pressure – Why We Should Look at BP Traces Rather than Listen to Korotkoff Sounds

Celler, Branko George ;   Basilakis, Jim ;   Goozee, Kathryn ;   Ambikairajah, E

Tags Signal processing in physiological systemsSignals and systemsBiomedical signal classification

Accurate non-invasive measurement of blood pressure in unsupervised environments continues to be a challenge, particularly in the presence...

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Non-Parametric Frequency Response Function Tissue Modeling in Bipolar Electrosurgery

Barbé, Kurt ;   Ford, Carolyn ;   Bonn, Kenlyn ;   Gilbert, James

Tags Signal processing in physiological systemsSignals and systemsNonstationary processing of biomedical signals

High-frequency radio energy is applied to tissue therapeutically in a number of different medical applications. The ability to model the effects...

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Noninvasive Assessments of Swallowing Function by Sound Frequency Analysis

Yagi, Naomi ;   Nagami, Shinsuke ;   Ueno, Hiroshi ;   Yabe, Toru ;   Kayashita, Jun ;   Lin, Meng-Kuan ;   Oke, Yoshihiko ;   Oku, Yoshitaka

Tags Time-frequency analysis of biosignalsSignal processing in physiological systemsSignals and systems

This paper proposes an acoustic analysis in order to provide a simple swallow monitoring system. We tested two different recording devices,...

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Novel Dry Electrodes for Underwater ECG Monitoring

Noh, Yeon Sik ;   Bales, Justin ;   Reyes, Bersaín Alexander ;   Chon, Ki

Tags Signal processing in physiological systemsSignals and systems

A reliable way to obtain an underwater electrocardiogram (ECG) requires covering the traditional silver/silver chloride (Ag/AgCl) electrodes...

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Objective Measures of Perceptual Quality for Predicting Speech Intelligibility in Sensorineural Hearing Loss

Chiaramello, Emma ;   Moriconi, Stefano ;   Tognola, Gabriella

Tags Biomedical simulation involving signal processingSignal processing in physiological systems

An objective method to predict speech intelligibility in sensorineural hearing loss of different types and increasing degrees of severity is...

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On Optimal Electrode Configuration to Estimate Hand Movements from Forearm Surface ElectroMyoGraphy

Paleari, Marco ;   Michela, Di Girolamo ;   Celadon, Nicolò ;   Favetto, Alain ;   Ariano, Paolo

Tags Signal processing in physiological systemsNeural networks in biosignal processing and classificationBiomedical signal classification

Understanding the movement of the hand from sEMG signals acquired on the forearm is key in the development of future prosthetics of the...

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On Sweat Analysis for Quantitative Estimation of Dehydration during Physical Exercise

Ring, Matthias ;   Lohmüller, Clemens ;   Manfred, Rauh ;   Eskofier, Bjoern M

Tags Pattern recognition methods for data mining in biosignalsSignal processing in physiological systemsMultivariate signal processing

Quantitative estimation of water loss during physical exercise is of importance because dehydration can impair both muscular strength and...

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Online EEG Artifact Rejection based on Automatic Dimensionality Reduction

Freitas, Lorena ;   Blankertz, Benjamin ;   Höhne, Johannes

Tags Nonstationary processing of biomedical signalsSignal processing in physiological systemsBiomedical signal classification

A method for real-time rejection of EEG artifacts is introduced. Results from artificially contaminated data show that the approach also...

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Online Wireless Sleep Analysis and Auditory Sleep Stimulation

Virkkala, Jussi ;   Leminen, Miika ;   Saure, Emma ;   Huotilainen, Minna ;   Paunio, Tiina

Tags Signal processing in physiological systemsClosed loop systems in physiological systems

We have developed an online wireless sleep analysis and auditory sleep stimulation setup. Sound stimulation synchronization was evaluated with...

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P300 Latency Jitter Occurrence in Patients with Disorders of Consciousness: Toward a Better Design for Brain Computer Interface Applications

Schettini, Francesca ;   Risetti, Monica ;   Arico, Pietro ;   Formisano, Rita ;   Babiloni, Fabio ;   Mattia, Donatella ;   Cincotti, Febo

Tags Biomedical signal classificationNonlinear filteringSignal processing in physiological systems

In this study the P300 latency jitter has been explored in an EEG data set collected from a group of patients with disorders of...

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Patient Decision-Making of CGM Sensor Driven Insulin Therapies in Type 1 Diabetes: in Silico Assessment

Vettoretti, Martina ;   Facchinetti, Andrea ;   Sparacino, Giovanni ;   Cobelli, Claudio

Tags Biomedical simulation involving signal processingClosed loop systems in physiological systemsSignal processing in physiological systems

In type 1 diabetes (T1D) therapy, continuous glucose monitoring (CGM) sensors, which provide glucose concentration in the subcutis every 1-5...

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Pattern Recognition with Adaptive-Thresholds for Sleep Spindle in High Density EEG Signals

Gemignani, Jessica ;   Agrimi, Jacopo ;   Enrico, Cheli ;   Gemignani, Angelo ;   Laurino, Marco ;   Allegrini, Paolo ;   Landi, Alberto ;   Menicucci, Danilo

Tags Pattern recognition methods for data mining in biosignalsAdaptive filteringSignal processing in physiological systems

Sleep spindles are electroencephalographic oscillations peculiar of non-REM sleep, related to neuronal mechanisms underlying sleep restoration...

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Phenotypic Characterisation of Crohn's Disease Severity

Clifton, David ;   Niehaus, Katherine ;   Uhlig, Holm

Tags Data mining in biosignalsMultivariate signal processingSignal processing in physiological systems

Crohn’s disease (CD) is a highly heterogeneous disease, with great variation in patient severity. Using supervised machine learning techniques...

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Photoplethysmogram Intensity Ratio: A Potential Indicator for Improving the Accuracy of PTT-Based Cuffless Blood Pressure Estimation

Ding, Xiao-Rong ;   Zhang, Yuan-Ting

Tags Signal processing in physiological systemsTime-frequency analysis of biosignals

The most commonly used method for cuffless blood pressure (BP) measurement is using pulse transit time (PTT), which is based on...

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Physical Activity Profiling: Activity-Specific Step Counting and Energy Expenditure Models using 3D Wrist Acceleration

Delgado-Gonzalo, Ricard ;   Celka, Patrick ;   Renevey, Philippe ;   Dasen, Stephan ;   Sola, Josep ;   Bertschi, Mattia ;   Lemay, Mathieu

Tags Signal processing in physiological systemsParametric filtering and estimationNonlinear analysis of biomedical signals

In this paper, we present the evaluation of a new physical activity profiling system embedded in a wrist-located device. We propose a step...

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Point-Process High-Resolution Representations of Heartbeat Dynamics for Multiscale Analysis: A CHF Survivor Prediction Study

Valenza, Gaetano ;   Wendt, Herwig ;   Kiyono, Ken ;   Hayano, Junichiro ;   Watanabe, Eiichi ;   Yamamoto, Yoshiharu ;   Abry, Patrice ;   Barbieri, Riccardo

Tags Time-scale and waveletsNonlinear dynamics in biomedical signalsSignal processing in physiological systems

Multiscale analysis of human heartbeat dynamics has been proved effective in characterizeing cardiovascular control physiology in health and...

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Power Line Interference Attenuation in Multi-Channel sEMG Signals: Algorithms and Analysis

Soedirdjo, Subaryani Dambawati Harjaya ;   Ullah, Khalil ;   Merletti, Roberto

Tags Signal processing in physiological systemsAdaptive filteringBiomedical simulation involving signal processing

Electromyogram (EMG) recordings are often corrupted by power line interference (PLI) even though the skin is prepared and well-designed...

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Prediction of Outcome in Traumatic Brain Injury Patients using Long-Term qEEG Features

Mikola, Annika ;   Ratsep, Indrek ;   Särkelä, Mika ;   Lipping, Tarmo

Tags Signal processing in physiological systemsBiomedical signal classification

Treatment of patients suffering from severe traumatic brain injury (TBI) commonly involves sedation and mechanical ventilation during...

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Pronunciation Analysis for Children with Speech Sound Disorders

Dudy, Shiran ;   Asgari, Meysam ;   Kain, Alexander

Tags Biomedical signal classificationTime-frequency analysis of biosignalsSignal processing in physiological systems

Phonological disorders affect 10% of preschool and school-age children, adversely affecting their communication, academic performance, and...

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Pulse Oximetry Recorded from the Phone Oximeter for Detection of Obstructive Sleep Apnea Events with and without Oxygen Desaturation in Children

Garde, Ainara ;   Kheirkhah Dehkordi, Parastoo ;   Wensley, David ;   Ansermino, J. Mark ;   Dumont, Guy

Tags Signal processing in physiological systemsSignals and systemsTime-frequency analysis of biosignals

Obstructive sleep apnea (OSA) disrupts normal ventilation during sleep and can lead to serious health problems in children if left untreated....

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QRS Complex Detection in ECG Signal for Wearable Devices

Arefin, M. Riadh ;   Tavakolian, Kouhyar ;   Fazel-Rezai, Reza

Tags Signal processing in physiological systems

This paper presents QRS complex detection algorithm based on dual slope technique, which is suitable for wearable electrocardiogram (ECG)...

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Quantification of Muscle Activity during Sleep for Patients with Neurodegenerative Diseases

Hanif, Umaer ;   Trap, Lotte ;   Jennum, Poul ;   Zoetmulder, Marielle ;   Sorensen, Helge B D

Tags Signal processing in physiological systemsParametric filtering and estimationTime-frequency analysis of biosignals

Idiopathic REM sleep Behavior Disorder (iRBD) is a very strong predictor for later development of Parkinson’s Disease (PD), and is...

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R-Principal Subspace for Driver Cognitive State Classification

Almahasneh, Hossam ;   Kamel, Nidal ;   Walter, Nicolas ;   Malik, Aamir Saeed

Tags Principal component analysisBiomedical signal classificationSignal processing in physiological systems

Using EEG signals, a novel technique for driver cognitive state assessment is presented, analyzed and experimentally verified. The proposed...

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Rapid and Stable Measurement of Respiratory Rate from Doppler Radar Signals using Time Domain Autocorrelation Model

Sun, Guanghao ;   Matsui, Takemi

Tags Signal processing in physiological systemsTime-frequency analysis of biosignalsSignals and systems

Noncontact measurement of respiratory rate using Doppler radar will play a vital role in future clinical practice. Doppler radar remotely...

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Real-Time EEG Source-Mapping Toolbox (REST): Online ICA and Source Localization

Pion-Tonachini, Luca ;   Hsu, Sheng-Hsiou ;   Makeig, Scott ;   Jung, Tzyy-Ping ;   Cauwenberghs, Gert

Tags Independent component analysisNonstationary processing of biomedical signalsSignal processing in physiological systems

The Electroencephalogram (EEG) is a noninvasive functional brain activity recording method that shows promise for becoming a 3-D cortical...

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Real-Time Feedback based Control of Cardiac Restitution using Optical Mapping

Kulkarni, Kanchan ;   Tolkacheva, Elena

Tags Closed loop systems in physiological systemsSignal processing in physiological systems

Cardiac restitution is the shortening of the action potential duration with an increase in the heart rate. A shorter action potential duration...

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Real-Time Obstructive Sleep Apnea Detection from Frequency Analysis of EDR and HRV using Lomb Periodogram

Fan, Shu-Han ;   Chou, Chia-Ching ;   Chen, Wei-Chen ;   Fang, Wai-Chi

Tags Biomedical simulation involving signal processingTime-frequency analysis of biosignalsSignal processing in physiological systems

In this study, an effective real-time obstructive sleep apnea (OSA) detection method from frequency analysis of ECG-derived respiratory...

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Real-Time Sensing, Transmission and Analysis for Vital Signs of Persons during Exercises

Hara, Shinsuke ;   Kawabata, Takashi ;   Nakamura, Hajime

Tags Signals and systemsSignal processing in physiological systemsTime-frequency analysis of biosignals

Real-time monitoring of vital signs from persons during exercises is useful from the medical, healthcare and sports physiological points of...

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Recognition and Regionalization of Emotions in the Arousal-Valence Plane

Bustamante, Paola Andrea ;   López, Natalia M ;   Perez Berenguer, Maria Elisa ;   Quintero Montoya, Olga Lucia

Tags Signal processing in physiological systemsSignals and systemsBiomedical signal classification

The emotion recognition systems have become important for the diversity of its applications. Several methodologies have been proposed based...

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Recognizing Emotions from EEG Subbands using Wavelet Analysis

Candra, Henry ;   Yuwono, Mitchell ;   Handojoseno, Aluysius Maria Ardi ;   Chai, Rifai ;   Su, Steven Weidong ;   Nguyen, Hung T.

Tags Signal processing in physiological systemsBiomedical signal classificationTime-scale and wavelets

Objectively recognizing emotions is a particularly important task to ensure that patients with emotional symptoms are given the appropriate...

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Recording System and Data Fusion Algorithm for Enhancing the Estimation of the Respiratory Rate from Photoplethysmogram

Cernat, Roxana Alexandra ;   Ciorecan, Silvia Ionela ;   Ungureanu, Constantin ;   Arends, Johan B.A.M. ;   Strungaru, Rodica ;   Ungureanu, G. Mihaela

Tags Signal processing in physiological systemsBiomedical simulation involving signal processingSignals and systems

The respiratory rate is a vital parameter that can provide valuable information about the health condition of a patient. The extraction of...

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Removing Movement Artifacts from Equine ECG Recordings Acquired with Textile Electrodes

Lanata', Antonio ;   Guidi, Andrea ;   Baragli, Paolo ;   Paradiso, Rita ;   Valenza, Gaetano ;   Scilingo, Enzo Pasquale

Tags Time-scale and waveletsSignal processing in physiological systemsSignals and systems

This study reports on the implementation of a novel system to detect and reduce movement artifact (MA) contribution in electrocardiogram...

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Retrieving the Hemodynamic Response Function in Resting State FMRI: Methodology and Application

Wu, Guorong ;   Deshpande, Gopikrishna ;   Laureys, Steven ;   Marinazzo, Daniele

Tags Signal processing in physiological systemsBiomedical signal classificationConnectivity measurements

In this paper we present a procedure to retrieve the hemodynamic response function (HRF) from resting state functional magnetic resonance...

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Reverse Bi-Orthogonal Wavelets and Fuzzy Classifiers for the Automatic Detection of Spike Waves in the EEG of the Hypoxic Ischemic Pre-Term Fetal Sheep

Abbasi, Hamid ;   Gunn, Alistair Jan ;   Bennet, Laura ;   Unsworth, Charles Peter

Tags Signal processing in physiological systemsTime-frequency analysis of biosignalsTime-scale and wavelets

There exists a 6-8 hour window of opportunity for the treatment of perinatal Hypoxic-Ischemic Encephalopathy (HIE) following the original...

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Robust Heart Rate Estimation using Wrist-Based PPG Signals in the Presence of Intense Physical Activities

Zong, Chengzhi ;   Jafari, Roozbeh

Tags Signal processing in physiological systemsTime-frequency analysis of biosignalsNonstationary processing of biomedical signals

Heart rate tracking from a wrist-type photoplethysmogram (PPG) signal during intensive physical activities is a challenge that is attracting...

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Robust Human Recognition using Heartbeat Feature

Bashar, Khayrul ;   Yoshida, Hiroaki

Tags Biomedical signal classificationSignals and systemsSignal processing in physiological systems

Towards the demand for efficient biometric systems, the liveliness of ECG has shown some promises. However, ECG features vary due to muscle...

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Robust Monitoring of Hypovolemia in Intensive Care Patients using Photoplethysmogram Signals

Roederer, Alexander ;   Weimer, James ;   DiMartino, Joseph ;   Gutsche, Jacob ;   Lee, Insup

Tags Signal processing in physiological systemsNonstationary processing of biomedical signalsData mining in biosignals

The paper presents a fingertip photoplethysmography based technique to assess patient fluid status that is robust to waveform artifacts...

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Searching Arousals: A Fuzzy Logic Approach

Chaparro-Vargas, Ramiro ;   Ahmed, Beena ;   Penzel, Thomas ;   Cvetkovic, Dean

Tags Fuzzy approaches to signal pattern classificationSignal processing in physiological systemsTime-frequency analysis of biosignals

This paper presents a computational approach to detect spontaneous, chin tension and limb movement-related arousals by estimating neuronal...

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Sleep Apnea Detection using Time-Delayed Heart Rate Variability

Nano, Marina-Marinela ;   Long, Xi ;   Werth, Jan ;   Aarts, Ronald M. ;   Heusdens, Richard

Tags Biomedical signal classificationSignal processing in physiological systemsData mining in biosignals

Sleep apnea is a sleep disorder distinguished by repetitive absence of breathing. Compared with the traditional expensive and cumbersome...

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Smartphone-Based Monitoring of Tidal Volume and Respiratory Rate

Reyes, Bersaín Alexander ;   Reljin, Natasa ;   Kong, Youngsun ;   Nam, Yunyoung ;   Chon, Ki

Tags Signal processing in physiological systemsSignals and systems

A breathing monitor should provide information about the frequency of breathing (respiratory rate, RR) and about the depth of breathing...

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SoC-Based Architecture for Biomedical Signal Processing

Gutiérrez, Raquel ;   Hernández, Álvaro ;   Garcia, J. Jesus ;   Marnane, Liam

Tags Signal processing in physiological systems

Over the last decades, many algorithms have been proposed for processing biomedical signals. Most of these algorithms have been focused on...

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Sparse Source Separation of High-Density Intramuscular EMG Signals

Negro, Francesco ;   Muceli, Silvia ;   Lin, Chuang ;   Farina, Dario

Tags Blind source separationSignal processing in physiological systems

The automatic decomposition of multi-channel EMG signals can be efficiently addressed using blind source separation methods. However,...

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Spatial Analysis of Muscular Activation Patterns in Stroke Survivors

Rasool, Ghulam ;   Afsharipour, Babak ;   Suresh, Nina ;   Hu, Xiaogang ;   Rymer, William Zev

Tags Signal processing in physiological systems

We investigated the spatial patterns of electrical activity in stroke-affected muscles using the high density surface electromyogram (sEMG)...

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Spatial Variation in Automated Burst Suppression Detection in Pharmacologically Induced Coma

An, Jingzhi ;   Jonnalagadda, Durga ;   Moura Junior, Valdery ;   Purdon, Patrick L ;   Brown, Emery N ;   Westover, Brandon

Tags Signal processing in physiological systems

Burst suppression is actively studied as a control signal to guide anesthetic dosing in patients undergoing medically induced coma. The ability...

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Spatiotemporal Analysis of the Appearance of Gamma-Band Microstates in Resting State MEG

Kelsey, Matthew ;   Prior, Fred ;   Larson-Prior, Linda

Tags Time-frequency analysis of biosignalsSignal processing in physiological systemsNonlinear dynamics in biomedical signals

Spatiotemporal analysis of EEG signal has revealed a rich set of methods to quantify neuronal activity using spatially global topographic...

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Stream Computing for Biomedical Signal Processing: A QRS Complex Detection Case-Study

Murphy, Brian Michael ;   O'Driscoll, Cillian ;   Boylan, Geraldine ;   Lightbody, Gordon ;   Marnane, Liam

Tags Signal processing in physiological systemsSignals and systems

Recent developments in ``Big Data’’ have brought significant gains in the ability to process large amounts of data on commodity server...

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Sudden Cardiac Arrest Risk Stratification based on 24-hour Holter ECG Statistics

Kasahara, Keisuke ;   Shiobara, Masahito ;   Nakamura, Saya ;   Yamashiro, Koichiro ;   Yana, Kazuo ;   Ono, Takuya

Tags Biomedical signal classificationPrincipal component analysisSignal processing in physiological systems

This paper examined the feasibility to utilize indices obtained from a long term Holter ECG record for the sudden cardiac arrest (SCA) risk...

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SVM-Based Non-Intrusive Sleep Staging Method for OSA Patients

Joo, Kwangmin ;   Yoon, Heenam ;   Jung, Dawoon ;   Hwang, Suhwan ;   Choi, Sangho ;   Choi, Jaewon ;   Lee, Yujin ;   Jeong, Do-Un ;   Park, Kwang S.

Tags Neural networks in biosignal processing and classificationBiomedical signal classificationSignal processing in physiological systems

It is known that the sleep structure is related with sleep-related diseases, cardiovascular diseases, diabetes etc. Therefore the...

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Symbolic Dynamics of Pulse Transit Time and Heart Period in Children with Upper Airway Obstruction

Baumert, Mathias ;   Kohler, Mark ;   Pamula, Yvonne ;   Immanuel, Sarah Anita

Tags Multivariate signal processingSignal processing in physiological systemsNonlinear dynamics in biomedical signals

Upper airway obstruction (UAO) is a relatively common condition during childhood that is characterized by periods of partial or complete upper...

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Temporal Correction of Detected R-Peaks in ECG Signals: A Crucial Step to Improve QRS Detection Algorithms

Gradl, Stefan ;   Leutheuser, Heike ;   Elgendi, Mohamed ;   Lang, Nadine ;   Eskofier, Bjoern M

Tags Biomedical signal classificationSignal processing in physiological systems

In the last decade the interest for heart rate variability analysis has increased tremendously. Related algorithms depend on accurate...

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Temporal Fluctuation Analysis of Tremor Signal in Parkinson's Disease and Essential Tremor Subjects

Thanawattano, Chusak ;   Anan, Chanawat ;   Pongthornseri, Ronachai ;   Dumnin, Songphon ;   Bhidayasiri, Roongroj

Tags Signal processing in physiological systemsBiomedical signal classificationNonlinear analysis of biomedical signals

Tremor is a common symptom shared in both Parkinson’s disease (PD) and Essential tremor (ET) subjects. The differential diagnosis of PD and...

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The Choice of the Source Space and the Laplacian Matrix in LORETA and the Spatio-Temporal Kalman Filter EEG Inverse Methods

Habboush, Nawar ;   Hamid, Laith ;   Japaridze, Natia ;   Wiegand, Gert ;   Heute, Ulrich ;   Stephani, Ulrich ;   Galka, Andreas ;   Siniatchkin, Michael

Tags Kalman filteringParametric filtering and estimationSignal processing in physiological systems

The discretization of the brain and the definition of the Laplacian matrix influence the results of methods based on spatial and...

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The Diurnal Changes in the QT and RR Intervals for Type II Diabetes Correlate with Total Cholesterol and Triacylglyceride

Masuda, Yuta ;   Yana, Kazuo ;   Ono, Takuya

Tags Signal processing in physiological systemsBiomedical signal classificationSignals and systems

This study shows the evidence that diurnal amplitude of QT and RR intervals as well as QT-RR co-variability significantly correlates with Total...

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The Effective Bandwidth as a Useful Measure of Evaluating HRV Power Spectrum Estimation Accuracy

Aihara, Mitsuki ;   Nagai, Hidenao ;   Suga, Masaki ;   Yana, Kazuo

Tags Biomedical simulation involving signal processingSignal processing in physiological systemsSignals and systems

This paper demonstrates the usefulness of the index named the effective bandwidth for evaluating the estimation accuracy of HRV power...

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The Occurrence Frequency: A Suitable Parameter for the Evaluation of the Myoelectric Activity during Walking

Di Nardo, Francesco ;   Agostini, Valentina ;   Knaflitz, Marco ;   Mengarelli, Alessandro ;   Maranesi, Elvira ;   Burattini, Laura ;   Fioretti, Sandro

Tags Signal processing in physiological systems

Many studies have recently addressed the quantification of the natural variability of myoelectric activity during walking, considering hundreds...

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The Performance of the Spatiotemporal Kalman Filter and LORETA in Seizure Onset Localization

Hamid, Laith ;   Sarabi, Masoud ;   Japaridze, Natia ;   Wiegand, Gert ;   Heute, Ulrich ;   Stephani, Ulrich ;   Galka, Andreas ;   Siniatchkin, Michael

Tags Kalman filteringParametric filtering and estimationSignal processing in physiological systems

The assumption of spatial-smoothness is often used to solve the bioelectric inverse problem during electroencephalographic (EEG) source...

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The Respiration Pattern as an Indicator of the Anaerobic Threshold

Mirmohamadsadeghi, Leila ;   Vesin, Jean-Marc ;   Lemay, Mathieu ;   Dériaz, Olivier

Tags Biomedical signal classificationSignal processing in physiological systems

The anaerobic threshold (AT) is a good index of personal endurance but needs a laboratory setting to be determined. It is important to...

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The Segmented-Beat Modulation Method for ECG Estimation

Agostinelli, Angela ;   Giuliani, Corrado ;   Fioretti, Sandro ;   Di Nardo, Francesco ;   Burattini, Laura

Tags Nonlinear filteringAdaptive filteringSignal processing in physiological systems

Electrocardiographic (ECG) tracings corrupted by noise with frequency components in the ECG frequency band, may result useless unless...

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Time and Frequency Domain Feature Quantification for Snoring Episodes using Wearable Sensors in Home Environment

Panigrahi, Bivas ;   Lee, Ming-Yih ;   Lin, Wen-Yen ;   Lee, Chung shu ;   Chen, Ning-Hung

Tags Time-frequency analysis of biosignalsSignal processing in physiological systems

In this paper, the time and frequency domain quantitative feature values of snoring signals were extracted from a wearable inertia-based...

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Time-Dependent Sleep Stage Transition Model based on Heart Rate Variability

Takeda, Toki ;   Mizuno, Osamu ;   Tanaka, Tomohiro

Tags Data mining in biosignalsBiomedical signal classificationSignal processing in physiological systems

A new model is proposed to automatically classify sleep stages using heart rate variability (HRV). The generative model, based on the...

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Timed Up-and-Go Phase Segmentation in Parkinson's Disease Patients using Unobtrusive Inertial Sensors

Reinfelder, Samuel ;   Hauer, Roland ;   Barth, Jens ;   Klucken, Jochen ;   Eskofier, Bjoern M

Tags Biomedical signal classificationSignal processing in physiological systemsData mining in biosignals

A widely accepted functional motor test for measuring basic mobility capabilities is the ‘Timed Up-and-Go’ (TUG) test. Although several basic...

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Towards Fully Automated Closed-Loop Deep Brain Stimulation in Parkinson's Disease Patients: A LAMSTAR-Based Tremor Predictor

Khobragade, Nivedita ;   Tuninetti, Daniela ;   Graupe, Daniel

Tags Neural networks in biosignal processing and classificationBiomedical signal classificationSignal processing in physiological systems

This paper describes the application of the LAMSTAR (LArge Memory STorage and Retrieval) neural network for prediction of onset of tremor...

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Towards Increasing the Number of Commands in a Hybrid Brain-Computer Interface with Combination of Gaze and Motor Imagery

Meena, Yogesh Kumar ;   Cecotti, Hubert ;   Wong-Lin, KongFatt ;   Prasad, Girijesh

Tags Biomedical signal classificationSignal processing in physiological systemsTime-frequency analysis of biosignals

Non-invasive brain-computer interface (BCI) provides a novel means of communication. This can be achieved by measuring electroencephalogram...

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Towards Numerical Temporal-Frequency System Modelling of Associations between Electrocardiogram and Ballistocardiogram

Srinivasan, Aravind ;   Zhang, Haihong ;   Lin, Zhiping ;   Biswas, Jit ;   Chen, Zhihao

Tags Signal processing in physiological systemsSignals and systemsParametric filtering and estimation

Ballistocardiogram (BCG) is a vital sign of ballistic forces generated by each heartbeat. With the advancements in related sensor and...

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Tri-Axial Telecoil Hearing Aid for Improved Connection to Public Induction Loops

Riehle, Timothy H ;   Knuesel, Robert ;   Lichter, Patrick ;   Panescu, Dorin

Tags Biomedical simulation involving signal processingSignal processing in physiological systemsCoherence in biomedical signal processing

Telecoils in hearing aids serve a dual purpose: to enhance telephone conversation and enable hearing aids to serve as a wireless interface...

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Uncovering Statistical Features of Bradycardia Severity in Premature Infants using a Point Process Model

Gee, Alan ;   Barbieri, Riccardo ;   Paydarfar, David ;   Indic, Premananda

Tags Signal processing in physiological systemsBiomedical signal classification

Premature infants are susceptible to a variety of life-threatening events. Underdeveloped cardiovascular control due to an immature...

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Unobtrusive Heart Rate Estimation during Physical Exercise using Photoplethysmographic and Acceleration Data

Mullan, Patrick Johannes ;   Kanzler, Christoph Matthias ;   Lorch, Benedikt ;   Schröder, Lea ;   Winkler, Ludwig ;   Laich, Larissa Heike ;   Riedel, Frederik ;   Richer, Robert ;   Luckner, Christoph ;   Leutheuser, Heike ;   Eskofier, Bjoern M ;   Pasluosta, Cristian Federico

Tags Signal processing in physiological systemsTime-frequency analysis of biosignalsNonstationary processing of biomedical signals

Photoplethysmography (PPG) is a non-invasive, inexpensive and unobtrusive method to achieve heart rate monitoring during physical exercises....

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Upper-Limb Movement Classification based on Semg Signal Validation with Continuous Channel Selection

Cene, Vinicius H. ;   Favieiro, Gabriela Winkler ;   Balbinot, Alexandre

Tags Signal processing in physiological systemsBiomedical signal classificationSignals and systems

This paper aims to provide an efficient, automatic and auto-adaptive approach to stablish a continuous electromyography (EMG) signal...

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Use of Multiscale Entropy to Facilitate Artifact Detection in Electroencephalographic Signals

Mariani, Sara ;   Borges, Ana F. T. ;   Henriques, Teresa S. ;   Goldberger, Ary L. ;   Costa, Madalena D.

Tags Nonlinear analysis of biomedical signalsNonlinear filteringSignal processing in physiological systems

Electroencephalographic (EEG) signals present a myriad of challenges to analysis, beginning with the detection of artifacts. Prior approaches...

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Uterine Activity Monitoring by Electrohysterogram Recurrence Plot Analysis

Hurezeanu, Bogdan ;   Taralunga, Dragos-Daniel ;   Strungaru, Rodica ;   Ungureanu, G. Mihaela

Tags Nonlinear analysis of biomedical signalsSignal processing in physiological systemsBiomedical signal classification

The article proposes the recurrence plot analysis to detect high-risk pregnancies using electrohysterographic signals. The computed proposed...

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Ventricular Ectopic Beats Classification using Sparse Representation and Gini Index

Baali, Hamza ;   Mesbah, Mostefa

Tags Biomedical signal classificationSignal processing in physiological systems

In this study, we consider using sparse representation and the Gini Index (GI) for Arrhythmia classification. Our approach involves, first,...

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Visualization of Multivariate Physiological Data for Cardiorespiratory Fitness Assessment through ECG (R-Peak) Analysis

Muñoz Cardona, John Edison ;   Bermúdez i Badia, Sergi ;   Cameirao, Monica ;   Gouveia, Elvio Rubio

Tags Signal processing in physiological systemsMultivariate signal processing

The recent rise and popularization of wearable and ubiquitous fitness sensors has increased our ability to generate large amounts of...

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Voice Quality in Patients Suffering from Bipolar Disease

Guidi, Andrea ;   Schoentgen, Jean ;   Bertschy, Gilles ;   Gentili, Claudio ;   Landini, Luigi ;   Scilingo, Enzo Pasquale ;   Vanello, Nicola

Tags Signal processing in physiological systems

People suffering from bipolar disease are more and more common. Such pathology can severely affect patients’ lifestyle by wide, and sometimes...

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Wake-Sleep Transition as an Opening of Cortico-Thalamo-Cortical Loop

Yamaguchi, Ikuhiro ;   Togo, Fumiharu ;   Kishi, Akifumi ;   Nakamura, Toru ;   Yamamoto, Yoshiharu

Tags Signal processing in physiological systemsSignals and systemsBiomedical simulation involving signal processing

The important role of the thalamus in the sleep onset has been recognized. Although the direct detection of the functional change of the...

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Wavelet-Based Motion Artifact Removal for Electrodermal Activity

Chen, Weixuan ;   Jaques, Natasha ;   Taylor, Sara ;   Sano, Akane ;   Fedor, Szymon ;   Picard, Rosalind

Tags Time-scale and waveletsSignal processing in physiological systemsBiomedical signal classification

Electrodermal activity (EDA) recording is a powerful, widely used tool for monitoring psychological or physiological arousal. However, analysis of...

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Wearable Near-Infrared Spectroscopy Neuroimaging and Its Applications

Funane, Tsukasa

Tags Coherence in biomedical signal processingConnectivity measurementsSignal processing in physiological systems

Wearable near-infrared spectroscopy (NIRS) systems are expected to be applied in various fields such as health care (medical use), education...

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Wearable Real-Time ECG Monitoring with Emergency Alert System for Scuba Diving

Cibis, Tobias ;   Groh, Benjamin ;   Gatermann, Heike ;   Leutheuser, Heike ;   Eskofier, Bjoern M

Tags Signal processing in physiological systemsBiomedical simulation involving signal processingSignals and systems

Medical diagnosis is the first level for recognition and treatment of diseases. To realize fast diagnosis, we propose a concept of a basic...

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Wiener-Granger Causality in QT-HP Variability Interactions

Porta, Alberto ;   Bari, Vlasta ;   Marchi, Andrea ;   De Maria, Beatrice ;   Cerutti, Sergio

Tags Multivariate signal processingSignal processing in physiological systemsCausality

The study exploits a Wiener-Granger causality (WGC) approach in the time domain to assess directionality of the dynamical interactions...

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