Results 21 to 30 of about 4,481,103 (333)
Design and Realization of MEMS Heart Sound Sensor with Concave, Racket-Shaped Cilium
Biosensors, 2022 The biomedical acoustic signal plays an important role in clinical non-invasive diagnosis. In view of the deficiencies in early diagnosis of cardiovascular diseases, acoustic properties of S1 and S2 heart sounds are utilized. In this paper, we propose an
Yuhua Yang +9 more
doaj +1 more source
AIP Advances, 2022 Mixed heart sounds include heart sounds in a state of resting and motion. The analysis of heart sound signals in a state of motion is a difficult problem.
Chen-Jun She, Xie-Feng Cheng
doaj +1 more source
A New Method for Heart Disease Detection: Long Short-Term Feature Extraction from Heart Sound Data
Italian National Conference on Sensors, 2023 Heart sounds have been extensively studied for heart disease diagnosis for several decades. Traditional machine learning algorithms applied in the literature have typically partitioned heart sounds into small windows and employed feature extraction ...
Mesut Güven, Fatih Uysal
semanticscholar +1 more source
Exploring the Impact of Noise and Degradations on Heart Sound Classification Models [PDF]
Biomedical Signal Processing and Control, 2022 The development of data-driven heart sound classification models has been an active area of research in recent years. To develop such data-driven models in the first place, heart sound signals need to be captured using a signal acquisition device ...
Davoud Shariat Panah +2 more
semanticscholar +1 more source
Heart Sound Classification Using Wavelet Analysis Approaches and Ensemble of Deep Learning Models
Applied Sciences, 2023 Analyzing the condition and function of the heart is very important because cardiovascular diseases (CVDs) are responsible for high mortality rates worldwide and can lead to strokes and heart attacks; thus, early diagnosis and treatment are important ...
Jin-A Lee, Keun-Chang Kwak
semanticscholar +1 more source
Assisting Heart Valve Diseases Diagnosis via Transformer-Based Classification of Heart Sound Signals
Electronics, 2023 Background: In computer-aided medical diagnosis or prognosis, the automatic classification of heart valve diseases based on heart sound signals is of great importance since the heart sound signal contains a wealth of information that can reflect the ...
Dong Yang +8 more
semanticscholar +1 more source
Investigation and analysis on the status of heart sound auscultation and training needs of medical students [PDF]
Jichu yixue yu linchuang, 2021 Objective To clarify the current direction of improvement of heart sound auscultation teaching. Methods Questionnaire survey was conducted on the students of Peking Union Medical College who had studied diagnostics.
LIN Xue, ZHANG Xiao, LIU Ji-hai, ZHANG Hui, QIAN Xiao-jing, XIAO Ran, FANG Li-gang
doaj
Feature-Based Fusion Using CNN for Lung and Heart Sound Classification
Italian National Conference on Sensors, 2022 Lung or heart sound classification is challenging due to the complex nature of audio data, its dynamic properties of time, and frequency domains. It is also very difficult to detect lung or heart conditions with small amounts of data or unbalanced and ...
Zeenat Tariq +2 more
semanticscholar +1 more source
Bioengineering, 2022 Heart-sound auscultation is one of the most widely used approaches for detecting cardiovascular disorders. Diagnosing abnormalities of heart sound using a stethoscope depends on the physician’s skill and judgment.
Y. Fuadah, M. A. Pramudito, K. Lim
semanticscholar +1 more source
Beilstein Journal of Nanotechnology, 2023 This paper describes a method for preparing flexible composite piezoelectric nanofilms of P(VDF-TrFE)/ZnO/graphene using a high-voltage electrospinning method. Composition and β-phase content of the piezoelectric composite films were analyzed using X-ray
Yi Luo +5 more
doaj +1 more source