A Dynamic Harmonic Regression Algorithm for Time-Frequency Analysis of Neurophysiologic Signals

Krishnaswamy, Pavitra ;   Nolan, Michael ;   Zachs, Daniel ;   Van Dort, Christa ;   Brown, Emery

Tags Nonstationary processing of biomedical signalsTime-frequency analysis of biosignalsParametric filtering and estimation

Neurophysiological signals, such as the electroencephalogram (EEG), exhibit non-stationary behavior in a variety of brain states (e.g., sleep,...

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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 Portable Device for Electrogastrography

Budillon, Alessandra ;   Grassini, Giuseppe

Tags Time-frequency analysis of biosignalsAdaptive filtering

In this paper we present the design of a portable device for recording the electrical activity of the stomach. Electrogastrography is a...

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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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Accelerometer-Based Signal Extraction Algorithm for Obstructive Sleep Apnea Hypopnea Preliminary Screening

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

Tags Biomedical signal classificationTime-frequency analysis of biosignals

In this paper, we presented an accelerometer-based sleep monitoring system which can be used for real-time capturing the vibration signals of...

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Acoustic Characterization of the Physical Dynamics of Single Phase-Change Droplets

Kang, Shih-Tsung ;   Kao, Wei-Pu ;   Yeh, Chih-Kuang

Tags Nonlinear dynamics in biomedical signalsNonlinear analysis of biomedical signalsTime-frequency analysis of biosignals

This study investigated the acoustic signatures that revealed the physical dynamics of phase-change droplets during acoustic droplet...

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Analysis of the Bladder Cancer Transition Mechanism using a 3D Bladder-on-a-Chip

Lee, Eojin ;   Jeon, Hojeong ;   Kwon, Chunga ;   Park, Jaeho

Tags Biomedical simulation involving signal processing

Bladder cancer is 9th leading cause of cancer worldwide with fast increasing rate of diagnosis in both male and female of all age group....

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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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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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Comparison of Preferences of Kawaii Characters by Eye Tracking between Genders and Generations of Japanese

Ohkura, Michiko ;   Iida, Ikumi ;   Sano, Hiroya ;   Morishita, Wataru

Tags Signals and systems

Kawaii, which represents an affective value, evoked such positive meanings as cute, and lovable. In the 21st century, the affective values of...

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ECG Signal Processing for Heat Rate Extraction

Fedotov, Alexander ;   Akulova, Anna ;   Akulov, Sergey

Tags Biomedical signal classificationPattern recognition methods for data mining in biosignalsPrincipal component analysis

This paper considers the novel QRS-detector of ECG signal based on the consecutive application of band-pass filtering, Hilbert transform and...

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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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Estimating Cognitive Performance Change using Heart Rate Variability

Tsunoda, Keisuke ;   Chiba, Akihiro ;   Chigira, Hiroshi ;   Ura, Tetsuya ;   Mizuno, Osamu ;   Tanaka, Tomohiro

Tags Signals and systemsPrincipal component analysisData mining in biosignals

This paper presents a low-invasive method for estimating cognitive performance change using heart rate variability (HRV). Although HRV is a...

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Estimating Critical Fusion Frequency from Heart Rate Variability

Chiba, Akihiro ;   Tsunoda, Keisuke ;   Chigira, Hiroshi ;   Ura, Tetsuya ;   Mizuno, Osamu ;   Tanaka, Tomohiro

Tags Signals and systemsData mining in biosignalsCausality

This paper presents a novel method for estimating the critical flicker frequency (CFF), a key measure of mental fatigue, from the features...

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Frequency Analysis of Urinary Bladder Pre-Voiding Activity in Normal and Overactive Human Detrusor: A Pilot Study

Zolliker, Daniel ;   Niederhauser, Thomas ;   Grämiger, Michelle ;   van Mastrigt, Ron ;   Burkhard, Fiona ;   Obrist, Dominik ;   Clavica, Francesco

Tags Time-frequency analysis of biosignalsBiomedical signal classification

The symptom complex of frequency and urgency with or without urge incontinence is termed overactive bladder (OAB). In some cases OAB is...

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In-Vivo Electrical Impedance Measurement in Mastoid Bone

Wyss Balmer, Thomas

Tags Time-frequency analysis of biosignalsBiomedical simulation involving signal processingClosed loop systems in physiological systems

Direct cochlear access (DCA) [1] is a new surgical approach to enable minimal invasive cochlear implantation. It aims to replacing the current...

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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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Machine Learning based Diagnosis of Schizophrenia using Combined Sensor-Level and Source-Level EEG Features

Shim, Miseon ;   Kim, Do-Won ;   Lee, Seung Hwan ;   Im, Chang-Hwan

Tags Biomedical signal classification

In this study, we used both sensor-level and source-level features extracted from EEG signals recorded during auditory oddball task for the...

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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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New Adaptive Algorithm to Determine Sleep Onset Latency

Choi, Soo Beom ;   Kim, Sung Woo ;   Chung, Jai Won ;   Park, Jee Soo ;   Noh, Hyung Wook ;   Kim, Deok Won

Tags Biomedical signal classificationTime-frequency analysis of biosignalsData mining in biosignals

Although actigraphy is used to detect sleep, it is inaccurate when determining sleep onset latency due to immobility during wakefulness. We...

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Newborn Acute Pain Monitoring using Heart Rate Variability Analysis

De Jonckheere, Julien ;   Logier, Regis

Tags Nonstationary processing of biomedical signalsTime-scale and wavelets

Pain assessment is essential for newborn intensive care unit medical teams in order to reduce untreated procedural neonatal pain. We have...

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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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Potential use of Microsaccade in Personal Identification

Yoneya, Makoto ;   Furukawa, Shigeto ;   Kashino, Makio

Tags Data mining in biosignalsBiomedical signal classificationPattern recognition methods for data mining in biosignals

Microsaccades are small, jerk-like eye movements that occur unconsciously during fixation. Recent studies showed that there are individual...

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Reducing the Dimensionality of Brain Signal using Graph based Filtering

Liu, Rui ;   Nejati, Hossein ;   Cheung, Ngai-Man

Tags Nonlinear filteringPrincipal component analysisNeural networks in biosignal processing and classification

We here introduce Graph Based Filtering (GBF) for dimensionality reduction of brain imaging data. Compared with standard spectral technique...

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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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Separation of Ambulatory Skin Conductance in Day and Sleep Activities based on Activity Magnitude and Sleep-Wake Scoring

Sano, Akane ;   Fedor, Szymon ;   Picard, Rosalind

Tags Data mining in biosignalsMultivariate signal processing

Ambulatory skin conductance (SC) signals often need to be analyzed independently for different user activities. As an ambulatory SC sensor...

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SMUAP Decomposition based on Sequentially-Modified Template Matching Method during Motion

Akazawa, Jun ;   Okuno, Ryuhei

Tags Independent component analysisBiomedical signal classification

The purpose of this study is to develop a method decomposing Surface Motor Unit Acton Potential (SMUAP) of biceps brachii short head muscle...

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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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Standardized Push up during a Physical Examination by Distance, Forces and EMG Analysis

Perdomo, Oscar Julian ;   Barbon, Cristian ;   Hakspiel, Sebastian ;   Hurtado, Carlo ;   Wilches, Carlos Andres

Tags Time-frequency analysis of biosignalsMultivariate signal processingSignals and systems

This article presents the design of a new system for standardization and evaluation of parameter in push-ups for using at the Colombian...

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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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