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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Can Home-Monitoring of Sleep Predict Depressive Episodes in Bipolar Patients?

Migliorini, Matteo ;   Mariani, Sara ;   Bertschy, Gilles ;   Kosel, Markus ;   Bianchi, Anna Maria

Tags Time-frequency analysis of biosignalsNonlinear analysis of biomedical signalsPattern recognition methods for data mining in biosignals

The aim of this study is the evaluation of the autonomic regulations during depressive stages in bipolar patients in order to test new...

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

Beltr├ín 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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Effects of Changing in the Neck Circumference during Sleep on Snoring Sound Characteristics

Saha, Shumit ;   Taheri, Mahsa ;   Moussavi, Zahra ;   Yadollahi, Azadeh

Tags Time-frequency analysis of biosignals

Rostral fluid shift during sleep from the lower body part into the neck can increase neck circumference (NC) and narrow the upper airway....

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Influences of Gender and Anthropometric Features on Inspiratory Inhaler Acoustics and Peak Inspiratory Flow Rate

Taylor, Terence E. ;   Holmes, Martin S. ;   Sulaiman, Imran ;   Costello, Richard ;   Reilly, Richard

Tags Time-frequency analysis of biosignals

Inhalers are hand-held devices used to treat chronic respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD)....

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Upper Airway Resistance Changes from Inspiration to Expiration during Wakefulness is a Predictor of Sleep Apnea: A Pilot Study

Soltanzadeh, Ramin ;   Moussavi, Zahra

Tags Time-frequency analysis of biosignals

Upper airway structure is known to be affected in individuals with obstructive sleep apnea (OSA). In this pilot study, we investigated whether...

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