Results 51 to 60 of about 4,481,103 (333)

Automated Signal Quality Assessment for Heart Sound Signal by Novel Features and Evaluation in Open Public Datasets

open access: yesBioMed Research International, 2021
Automated heart sound signal quality assessment is a necessary step for reliable analysis of heart sound signal. An unavoidable processing step for this objective is the heart sound segmentation, which is still a challenging task from a technical ...
Hong Tang   +4 more
semanticscholar   +1 more source

Denoising method of heart sound signals based on self-construct heart sound wavelet

open access: yesAIP Advances, 2014
In the field of heart sound signal denoising, the wavelet transform has become one of the most effective measures. The selective wavelet basis is based on the well-known orthogonal db series or biorthogonal bior series wavelet. In this paper we present a
Xiefeng Cheng, Zheng Zhang
doaj   +1 more source

Heart Sound Classification Using Bi⁃LSTM and Self⁃attention Mechanism

open access: yesShuju Caiji Yu Chuli
Heart sound auscultation is an effective diagnostic method for early screening of heart disease. In order to improve the performance of abnormal heart sound detection, this paper proposes a heart sound classification algorithm based on bi-directional ...
LU Guanming   +6 more
doaj   +1 more source

Design of the MEMS Piezoresistive Electronic Heart Sound Sensor

open access: yesSensors, 2016
This paper proposes the electronic heart sound sensor, based on the piezoresistive principle and MEMS (Micro-Electro-Mechanical System) technology. Firstly, according to the characteristics of heart sound detection, the double-beam-block microstructure ...
Guojun Zhang   +3 more
doaj   +1 more source

DDM-HSA: Dual Deterministic Model-Based Heart Sound Analysis for Daily Life Monitoring

open access: yesSensors, 2023
A sudden cardiac event in patients with heart disease can lead to a heart attack in extreme cases. Therefore, prompt interventions for the particular heart situation and periodic monitoring are critical.
Miran Lee   +3 more
doaj   +1 more source

Frequency shifting approach towards textual transcription of heartbeat sounds [PDF]

open access: yes, 2011
Auscultation is an approach for diagnosing many cardiovascular problems. Automatic analysis of heartbeat sounds and extraction of its audio features can assist physicians towards diagnosing diseases.
Arvin, Farshad   +2 more
core   +1 more source

Detection of Coronary Artery Disease Using Multi-Domain Feature Fusion of Multi-Channel Heart Sound Signals

open access: yesEntropy, 2021
Heart sound signals reflect valuable information about heart condition. Previous studies have suggested that the information contained in single-channel heart sound signals can be used to detect coronary artery disease (CAD). But accuracy based on single-
Tongtong Liu   +10 more
semanticscholar   +1 more source

Design of Abnormal Heart Sound Recognition System Based on HSMM and Deep Neural Network

open access: yesMedical Devices: Evidence and Research, 2022
Hai Yin,1 Qiliang Ma,2 Junwei Zhuang,1 Wei Yu,1 Zhongyou Wang3 1School of Biomedical Engineering and Medical Imaging, Xianning Medical College, Hubei University of Science and Technology, Xianning, 437100, People’s Republic of China; 2School of ...
Yin H, Ma Q, Zhuang J, Yu W, Wang Z
doaj  

Design and Application of a Laconic Heart Sound Neural Network

open access: yesIEEE Access, 2019
To design a classification algorithm of heart sounds with low hardware requirements and applicability to mobile terminals, this paper proposes a laconic heart sound neural network (LHSNN).
Xiefeng Cheng   +3 more
doaj   +1 more source

Heart sounds

open access: yes, 2022
This thesis investigated the relationship between heart sounds and diseased conditions through animal and human studies. The researchers proposed a novel algorithm to estimate the second heart sound splitting which was proven to be related to uncoordinated heart contraction.
openaire   +1 more source

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