Validation of an automated algorithm for detecting apneas and hypopneas by acoustic analysis of breath sounds

H Alshaer, GR Fernie, E Maki, TD Bradley - Sleep medicine, 2013 - Elsevier
apneas and hyponeas in our study is to scan BSs waveforms for apnea-specific and hypopnea-…
The features were derived from the basic definitions of apneas and hypopneas and their …

Automated detection of apnea and hypopnea events

B Koley, D Dey - 2012 Third International Conference on …, 2012 - ieeexplore.ieee.org
… provide the direct evidence of apnea and hypopnea events [4]. … automated assessment
of apnea [10], [13]-[15]. The applied methods are mostly based on the time domain algorithms, …

Comparison of different classifier algorithms on the automated detection of obstructive sleep apnea syndrome

K Polat, Ş Yosunkaya, S Güneş - Journal of Medical Systems, 2008 - Springer
… There exist two kinds of apneic events that may cause insufficient pulmonary ventilation
during sleep, Apnea and Hypopnea. Apnea is defined as the total absence of airflow, followed …

Automated scoring of obstructive sleep apnea and hypopnea events using short-term electrocardiogram recordings

AH Khandoker, J Gubbi… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
… is to identify individual apnea and hypopnea events from … 250 Hz) and estimate the surrogate
apnea/hypopnea index (AI/HI)… ECG-based algorithm for the automatic recognition of apnea

Automated detection of obstructive apnea and hypopnea events from oxygen saturation signal

YK Lee, M Bister, P Blanchfield… - The 26th annual …, 2004 - ieeexplore.ieee.org
… Four computer algorithms for the automated detection of apnea-hypopnea event were
developed based on only one of the conventional polysomnograph data, oxygen desaturation. …

Automated prediction of apnea and hypopnea, using a LAMSTAR artificial neural network

JA Waxman, D Graupe, DW Carley - American journal of respiratory …, 2010 - atsjournals.org
… context within which apnea/hypopnea prediction and detection … containing a scored apnea
or hypopnea were extracted. … algorithms to identify and characterize apnea and hypopnea

A novel algorithm for automatic diagnosis of sleep apnea from airflow and oximetry signals

MB Uddin, CM Chow, SH Ling… - Physiological …, 2021 - iopscience.iop.org
… The apnea hypopnea index (AHI) is the main indicator for sleep apnea diagnosis. This study
explored a novel automatic algorithm to diagnose sleep apnea from nasal airflow (AF) and …

Fuzzy structural algorithms to identify and characterize apnea and hypopnea episodes

A Otero, P Felix, MR Alvarez… - 2008 30th Annual …, 2008 - ieeexplore.ieee.org
… The automatic identification of apneas and hypopneas provides support for building better
… This paper presents algorithms capable of identifying episodes of apnea and hypopnea over …

Automated detection of sleep apnea and hypopnea events based on robust airflow envelope tracking in the presence of breathing artifacts

M Ciołek, M Niedźwiecki, S Sieklicki… - IEEE journal of …, 2014 - ieeexplore.ieee.org
… modulation corresponding to apnea/hypopnea events. It is … The results suggest that the
algorithm may be implemented … automated evaluation of sleep apnea/hypopnea syndrome. …

A per-sample digitized algorithm for automatically detecting apnea and hypopnea events from airflow and oximetry

MB Uddin, CM Chow, SH Ling… - 2020 42nd Annual …, 2020 - ieeexplore.ieee.org
… a novel automated algorithm to detect apnea and hypopneaApneas and hypopneas were
manually scored by a trained … digitized algorithm for detecting apnea and hypopnea. For …