期刊
ELECTRONICS
卷 10, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/electronics10040495
关键词
abnormalities; Convolutional Neural Network (CNN); echocardiogram; Long Short Term Memory (LSTM); regurgitation; Variational AutoEncoder (VAE)
资金
- Chair of Electrical Engineering, Wroclaw University of Science and Technology
This article experiments with deep learning methodologies in echocardiogram, focusing on classification of normal and abnormal conditions as well as different types of regurgitation. The use of videographic images distinguishes this work from existing methods, showing that deep learning methodologies outperform SVM in normal or abnormal classification. VAE performs better with static images, while LSTM is more effective with videographic images.
This article experiments with deep learning methodologies in echocardiogram (echo), a promising and vigorously researched technique in the preponderance field. This paper involves two different kinds of classification in the echo. Firstly, classification into normal (absence of abnormalities) or abnormal (presence of abnormalities) has been done, using 2D echo images, 3D Doppler images, and videographic images. Secondly, based on different types of regurgitation, namely, Mitral Regurgitation (MR), Aortic Regurgitation (AR), Tricuspid Regurgitation (TR), and a combination of the three types of regurgitation are classified using videographic echo images. Two deep-learning methodologies are used for these purposes, a Recurrent Neural Network (RNN) based methodology (Long Short Term Memory (LSTM)) and an Autoencoder based methodology (Variational AutoEncoder (VAE)). The use of videographic images distinguished this work from the existing work using SVM (Support Vector Machine) and also application of deep-learning methodologies is the first of many in this particular field. It was found that deep-learning methodologies perform better than SVM methodology in normal or abnormal classification. Overall, VAE performs better in 2D and 3D Doppler images (static images) while LSTM performs better in the case of videographic images.
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