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author:

Gao, Xiaohong (Gao, Xiaohong.) [1] | Li, Wei (Li, Wei.) [2] | Loomes, Martin (Loomes, Martin.) [3] | Wang, Lianyi (Wang, Lianyi.) [4]

Indexed by:

EI

Abstract:

This study extends the state of the art of deep learning convolutional neural network (CNN) to the classification of video images of echocardiography, aiming at assisting clinicians in diagnosis of heart diseases. Specifically, the architecture of neural networks is established by embracing hand-crafted features within a data-driven learning framework, incorporating both spatial and temporal information sustained by the video images of the moving heart and giving rise to two strands of two-dimensional convolutional neural network (CNN). In particular, the acceleration measurement along the time direction at each point is calculated using dense optical flow technique to represent temporal motion information. Subsequently, the fusion of both networks is conducted via linear integrations of the vectors of class scores obtained from each of the two networks. As a result, this architecture maintains the best classification results for eight viewpoint categories of echo videos with 92.1% accuracy rate whereas 89.5% is achieved using only single spatial CNN network. When concerning only three primary locations, 98% of accuracy rate is realised. In addition, comparisons with a number of well-known hand-engineered approaches are also performed, including 2D KAZE, 2D KAZE with Optical Flow, 3D KAZA, Optical Flow, 2D SIFT and 3D SIFT, which delivers accuracy rate of 89.4%, 84.3%, 87.9%, 79.4%, 83.8% and 73.8% respectively. © 2016 Elsevier B.V.

Keyword:

Computer aided diagnosis Convolution Deep learning Deep neural networks Echocardiography Network architecture Neural networks Optical flows

Community:

  • [ 1 ] [Gao, Xiaohong]Department of Computer Science, Middlesex University, London; NW4 4BT, United Kingdom
  • [ 2 ] [Li, Wei]Department of Computer Science, Middlesex University, London; NW4 4BT, United Kingdom
  • [ 3 ] [Li, Wei]Institute of Biomedical Engineering, Fuzhou University, Fuzhou, China
  • [ 4 ] [Loomes, Martin]Department of Computer Science, Middlesex University, London; NW4 4BT, United Kingdom
  • [ 5 ] [Wang, Lianyi]Cardiovascular Centre, Tsinghua University Hospital, Beijing, China

Reprint 's Address:

  • [gao, xiaohong]department of computer science, middlesex university, london; nw4 4bt, united kingdom

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Source :

Information Fusion

ISSN: 1566-2535

Year: 2017

Volume: 36

Page: 103-113

6 . 6 3 9

JCR@2017

1 4 . 8 0 0

JCR@2023

ESI HC Threshold:187

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 95

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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