A method to detect sleep apnea based on deep neural network and hidden Markov model using single-lead ECG signal

K Li, W Pan, Y Li, Q Jiang, G Liu - Neurocomputing, 2018 - Elsevier
… network and Hidden Markov model (HMM) using single-lead ECG signal. The method …
to unsupervised learning that only requires unlabeled ECG signals. Two types classifiers (SVM …

ECG signal analysis through hidden Markov models

RV Andreao, B Dorizzi, J Boudy - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
1) Stage 1: The generic models are adapted one time to the ECG signal morphologies of …
training set of the models, we compute a gain factor during the first ECG signal frame. The gain …

Myocardial infarction classification with multi-lead ECG using hidden Markov models and Gaussian mixture models

PC Chang, JJ Lin, JC Hsieh, J Weng - Applied Soft Computing, 2012 - Elsevier
… Because of the morphology of ECG signals, hidden Markov models (HMMs) were … 1, a
heartbeat can be seen as a waveform sequence, this study assumes that an ECG waveform is …

An obstructive sleep apnea detection approach using a discriminative hidden Markov model from ECG signals

C Song, K Liu, X Zhang, L Chen… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
… Thus, the observation of abnormal heart activities or high heart rate … with ECG signals based
on hidden Markov models (HMM). … 1 shows two pieces of ECG signals of 60 min from real …

Analysis of the observation sequence duration of hidden Markov models for QRS complex detection in single-lead ECG recordings

NF Monroy, M Altuve - 2018 Computing in Cardiology …, 2018 - ieeexplore.ieee.org
… Using the ECG signals from the MIT-BIH Arrhythmia database, we have found an optimal
adaptive decision threshold of 60% but the optimal value of the observation sequence duration …

Markov model for detection of ECG instability prior to cardiac arrest in single-ventricle patients

F Savorgnan, DI Crouthamel, A Heroy… - Journal of …, 2023 - Elsevier
… Using ECG waveform data from patients with single-ventricle physiology, we designed a
method using a Markov chain framework to detect statistically significant changes in the ECG

ECG segmentation and fiducial point extraction using multi hidden Markov model

M Akhbari, MB Shamsollahi, O Sayadi… - Computers in biology …, 2016 - Elsevier
… We propose the use of multi hidden Markov model (MultiHMM) as opposed to the traditional
use of … Acquiring the ECG signal and using its information are inexpensive and helpful [1]. …

A hybrid system with hidden Markov models and Gaussian mixture models for myocardial infarction classification with 12-lead ECGs

PC Chang, JC Hsieh, JJ Lin, YH Chou… - 2009 11th IEEE …, 2009 - ieeexplore.ieee.org
… Ambulatory Electrocardiogram (ECG) monitored the patients’ heart-… Markov Models (HMMs)
were mostly adopted for classification cause of the morphology of ECG signals [1], An ECG

Detection of atrial fibrillation using discrete-state Markov models and Random Forests

V Kalidas, LS Tamil - Computers in biology and medicine, 2019 - Elsevier
… episodes from single-lead ECG signals. The discrete-state transitions in the RR-interval time
series are modeled as an eight-state Markov process. The use of Markov models offers the …

ECG segmentation algorithm based on bidirectional hidden semi-Markov model

R Huo, L Zhang, F Liu, Y Wang, Y Liang… - Computers in Biology and …, 2022 - Elsevier
… of the waveform duration on the ECG waveform segmentation … vector on the ECG waveform
segmentation results is … 1-1, 1–2 are regular ECG signals; 2–1, 2-2 are ECG signals