Heart sound data acquisition and preprocessing techniques: A review

SK Ghosh, PR Nagarajan, RK Tripathy - Handbook of research on …, 2020 - igi-global.com
… a CAD system for heart sound signal analysis. The principal … Support Vector Machine (SVM)
is a discriminating, non-… and is suitable for heart sound classification by using different kernel …

Cardiac valves disorder classification based on active valves appearance periodic sequences tree of murmurs

A Saeidi, F Almasganj - Biomedical Signal Processing and Control, 2020 - Elsevier
… of all, normal and abnormal heart sounds are discriminated … on the time-frequency sub-band
envelope features achieved by … of heart sound are belong to time frequency heart analysis

Combined empirical mode decomposition and phase space reconstruction based psychologically stressed and non-stressed state classification from cardiac sound …

A Cheema, M Singh, M Kumar, G Setia - Biomedical Signal Processing and …, 2023 - Elsevier
… signals to mono-component sub-band signals as it is adaptive, … of phase space reconstruction
based on Chaos theory may … be useful for discrimination between psychologically stressed …

Complexity measures of high oscillations in phonocardiogram as biomarkers to distinguish between normal heart sound and pathological murmur

S Lahmiri, S Bekiros - Chaos, Solitons & Fractals, 2022 - Elsevier
… energy fraction of heart sound frequency sub-band, sample … purpose to discriminate normal
heart sounds from murmurs. … heart sound we analyze is significantly long and murmurs are …

Statistically significant feature-based heart murmur detection and classification using spectrogram image comparison of phonocardiogram records with machine …

P Careena, MMSJ Preetha, P Arun - Australian Journal of Electrical …, 2024 - Taylor & Francis
… In summary, the half-length spectrum of the single heart signal segments is cascaded to frame
the … (with and without PCA) to discriminate different types of heart sound is also examined. …

Detection of heart valve disorders from PCG signals using TQWT, FA-MVEMD, Shannon energy envelope and deterministic learning

W Zeng, Z Lin, C Yuan, Q Wang, F Liu… - Artificial Intelligence …, 2021 - Springer
… , automatic analysis and then the discrimination between normal … In this section, we propose
a new method to discriminate … , low frequency subbands show large variation in heart sound

Accurate detection of congestive heart failure using electrocardiomatrix technique

K Sharma, BM Rao, P Marwaha, A Kumar - Multimedia Tools and …, 2022 - Springer
… Another challenge is to discriminate between PAC and … the HRV signals into sub-band
signals and accumulated fuzzy … changes in cardiac arrhythmia and frequency analysis [5]. Our …

Discrimination of patients with varying degrees of coronary artery stenosis by ECG and PCG signals based on entropy

H Zhang, X Wang, C Liu, Y Li, Y Liu, Y Jiao, T Liu… - Entropy, 2021 - mdpi.com
… , six coupling analysis methods were used to extract cardiac … PCG signals were collected by
a piezoelectric heart sound … the ECG signal into subbands with uniform frequency bandwidth …

Optimal tuning of support vector machines and k-NN algorithm by using Bayesian optimization for newborn cry signal diagnosis based on audio signal processing …

S Lahmiri, C Tadj, C Gargour, S Bekiros - Chaos, Solitons & Fractals, 2023 - Elsevier
analysis of cry records and classification by using machine learning models to discriminate
… into 27 sub-bands. Third, a second transform is performed across time for each of the 27 …

[HTML][HTML] COVID-19 activity screening by a smart-data-driven multi-band voice analysis

G Silva, P Batista, PM Rodrigues - Journal of Voice, 2022 - Elsevier
… (per broadband, per sub-bands and per broadband & sub-bands) to … Chaos theory is a
concept that is closely related to dynamic … as far as we know those discrimination’s have been not …