Automated Sleep Spindle Detection Using Novel EEG Features and Mixture Models

Patti, Chanakya Reddy ;   Cvetkovic, Dean ;   Chaparro-Vargas, Ramiro

Tags Signal processing in physiological systemsMultivariate signal processingBiomedical signal classification

Research in Automated Sleep Spindle Detection has been highly explored in the past few years. Although a number of automated techniques...

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Automatic Sleep Onset Detection Using Single EEG Sensor

Zhang, Zhuo ;   Guan, Cuntai ;   Chan, Ti Eu ;   Yu, Juanhong ;   Ng, Andrew Keong ;   Kwoh, Chee Keong ;   Zhang, Haihong

Tags Signal processing in physiological systems

Sleep has been shown to be imperative for the health and well-being of an individual. To design intelligent sleep management tools, such as the...

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Estimation of Body Temperature Rhythm Based on Heart Activity Parameters in Daily Life

Sim, Sooyoung ;   Yoon, Heenam ;   Ryou, Hosuk ;   Park, Kwang S.

Tags Signal processing in physiological systemsKalman filteringTime-frequency analysis of biosignals

Body temperature contains valuable health related information such as circadian rhythm and menstruation cycle. Also, it was discovered from...

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Evaluation of HD-Semg Probability Density Function Deformations in Ramp Exercise

Al Harrach, Mariam ;   Boudaoud, Sofiane ;   GAMET, Didier ;   GROSSET, Jean-Francois ;   Marin, Frédéric

Tags Signal processing in physiological systemsPrincipal component analysis

The aim of the present study is to propose a subject-specific screening approach of HD-sEMG Probability Density Function (PDF) shape...

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Evaluation of Laplacian Diaphragm Electromyographic Recording in a Dynamic Inspiratory Maneuver

Estrada, Luis ;   Torres, Abel ;   Garcia-Casado, Javier ;   Prats-Boluda, Gema ;   Ye Lin, Yiyao ;   Jané, Raimon

Tags Signal processing in physiological systemsSignals and systems

The analysis of the electromyographic signal of the diaphragm muscle (EMGdi) can provide important information for evaluating the respiratory...

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Impact of Head Modeling and Sensor Types in Localizing Human Gamma-Band Oscillations

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

An effective mechanism in neuronal communication is oscillatory neuronal synchronization. The neuronal gamma-band (30-100 Hz) synchronization...

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Investigating Foetal Heart Rate Asymmetry

Karmakar, Chandan K. ;   Kimura, Yoshitaka ;   Palaniswami, Marimuthu ;   Khandoker, Ahsan Habib

Tags Signal processing in physiological systemsNonstationary processing of biomedical signalsBiomedical signal classification

In this study, we have investigated how the asymmetry of beat-to-beat foetal heart rate variability (fHRV) changes during development after...

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Macro-Motion Detection Using Ultra-Wideband Impulse Radar

Li, Xin ;   Qiao, Dengyu ;   Li, Ye

Tags Signal processing in physiological systemsTime-frequency analysis of biosignals

Radar has the advantage of being able to detect hidden individuals, which can be used in homeland security, disaster rescue, and healthcare...

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On Separability of A-Phases During the Cyclic Alternating Pattern

Mendez, Martin Oswaldo ;   Alba, Alfonso ;   Chouvarda, Ioanna ;   Milioli, Giulia ;   Grassi, Andrea ;   Terzano, Mario Giovanni ;   Parrino, Liborio

Tags Signal processing in physiological systemsBiomedical signal classification

A statistical analysis of the separability of EEG A-phases, with respect to basal activity, is presented in this study. A-phases are short...

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Optimizing Dynamical Similarity Index Extraction Window for Seizure Detection

Leila, Azinfar ;   Rabbi, Ahmed Fazle ;   Ravanfar, Mohammadreza ;   Noghanian, Sima ;   Fazel-Rezai, Reza

Tags Signal processing in physiological systems

This paper addresses an optimization problem in choosing optimum window length for feature extraction in automatic seizure detection. The...

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Oxygen Saturation Resolution Influences Regularity Measurements

Garde, Ainara ;   Karlen, Walter ;   Kheirkhah Dehkordi, Parastoo ;   Dumont, Guy ;   Ansermino, J. Mark

Tags Signal processing in physiological systemsSignals and systemsNonlinear analysis of biomedical signals

The measurement of regularity in the oxygen saturation (SpO2) signal has been suggested for use in identifying subjects with sleep...

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Power Spectrum of the Rectified EMG: Influence of Motor Unit Action Potential Shapes

Negro, Francesco ;   Keenan, Kevin ;   Farina, Dario

Tags Signal processing in physiological systemsBiomedical simulation involving signal processingNonlinear analysis of biomedical signals

The rectification of EMG signals is a pre-processing method widely used for inferring neural connectivity by coherence analysis. The...

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Quantitative Assessments of Arousal by Analyzing Microsaccade Rates and Pupil Fluctuations Prior to Slow Eye Movements

Honda, Shougo ;   Tanaka Tatsurou, Tatsurou ;   Yoshida, Hisashi ;   Kohama, Takeshi

Tags Signal processing in physiological systemsBiomedical signal classification

It is well known that a decline of arousal level causes of poor performance of movements or judgments. Our previous study indicates that...

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Relation between Heart Beat Fluctuations and Cyclic Alternating Pattern During Sleep in Insomnia Patients

De León Lomelí, Luz Roxana ;   Murguía Ibarra, José Salomé ;   Chouvarda, Ioanna ;   Mendez, Martin Oswaldo ;   González Galván, Emilio Jorge ;   Alba, Alfonso ;   Milioli, Giulia ;   Grassi, Andrea ;   Terzano, Mario Giovanni ;   Parrino, Liborio

Tags Signal processing in physiological systemsSignals and systems

Insomnia is a condition that affects the nervous and muscular system. Thirty percent of the population between 18 and 60 years suffers from...

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Robust Functional Statistics Applied to Probability Density Function Shape Screening of Semg Data

Boudaoud, Sofiane ;   Rix, Hervé, Henri ;   Al Harrach, Mariam ;   Marin, Frédéric

Tags Signal processing in physiological systems

Recent studies pointed out possible shape modifications of the Probability Density Function (PDF) of surface electromyographical (sEMG) data...

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Signal Quality Quantification and Waveform Reconstruction of Arterial Blood Pressure Recordings

Fanelli, Andrea ;   Heldt, Thomas

Tags Signal processing in physiological systemsTime-frequency analysis of biosignals

Arterial blood pressure (ABP) is an important vital sign of the cardiovascular system. As with other physiological signals, its measurement can...

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Spectral Analysis of Resting State Magnetoencephalogram Activity in Patients with Bipolar Disorder

Al-Timemy, Ali Hussein ;   Fernandez, Alberto ;   Escudero, Javier

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

We analyzed the frequency spectrum of magnetoencephalogram (MEG) background activity in 16 bipolar disorder (BD) patients and 24...

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Spectrum-Averaged Harmonic Path (SHAPA) Algorithm for Non-Contact Vital Sign Monitoring with Ultra-Wideband (UWB) Radar

Nguyen, Van ;   Javaid, Abdul Qadir ;   Weitnauer, Mary Ann

Tags Signal processing in physiological systems

We introduce the Spectrum-averaged Harmonic Path (SHAPA) algorithm for estimation of heart rate (HR) and respiration rate (RR) with Impulse...

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Surface Electromyogram–based Detection of Muscle Fatigue During Cyclic Dynamic Contraction under Blood Flow Restriction

Ito, Kenichi ;   Hotta, Yu

Tags Signal processing in physiological systems

Surface electromyogram (SEMG) measurements employing a bipolar configuration are generally used to evaluate muscle fatigue. However, the...

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