Results 11 to 20 of about 1,131,367 (289)
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
Research on Segmentation and Classification of Heart Sound Signals Based on Deep Learning
Applied Sciences, 2021 The heart sound signal is one of the signals that reflect the health of the heart. Research on the heart sound signal contributes to the early diagnosis and prevention of cardiovascular diseases.
Yi He +5 more
doaj +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
Frontiers in Physiology, 2022 Heart sound classification plays a critical role in the early diagnosis of cardiovascular diseases. Although there have been many advances in heart sound classification in the last few years, most of them are still based on conventional segmented ...
Feng Li +4 more
doaj +1 more source
Algorithm for heart rate extraction in a novel wearable acoustic sensor. [PDF]
, 2015 Phonocardiography is a widely used method of listening to the heart sounds and indicating the presence of cardiac abnormalities. Each heart cycle consists of two major sounds - S1 and S2 - that can be used to determine the heart rate.
Aguilar-Pelaez, E +3 more
core +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
The Effect of Signal Duration on the Classification of Heart Sounds: A Deep Learning Approach
Sensors, 2022 Deep learning techniques are the future trend for designing heart sound classification methods, making conventional heart sound segmentation dispensable.
Xinqi Bao +2 more
doaj +1 more source
Short-segment heart sound classification using an ensemble of deep convolutional neural networks [PDF]
, 2018 This paper proposes a framework based on deep convolutional neural networks (CNNs) for automatic heart sound classification using short-segments of individual heart beats. We design a 1D-CNN that directly learns features from raw heart-sound signals, and
Noman, Fuad +3 more
core +2 more sources
A recognition method research based on the heart sound texture map
AIP Advances, 2016 In order to improve the Heart Sound recognition rate and reduce the recognition time, in this paper, we introduces a new method for Heart Sound pattern recognition by using Heart Sound Texture Map.
Huizhong Cheng +3 more
doaj +1 more source