Computer-Aided Diagnosis

Microscopic medical image classification framework via deep learning and shearlet transform

[+] Author Affiliations
Hadi Rezaeilouyeh, Ali Mollahosseini, Mohammad H. Mahoor

University of Denver, Department of Electrical and Computer Engineering, 2155 East Wesley Avenue, Denver, Colorado 80208, United States

J. Med. Imag. 3(4), 044501 (Nov 03, 2016). doi:10.1117/1.JMI.3.4.044501
History: Received June 21, 2016; Accepted October 11, 2016
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Abstract.  Cancer is the second leading cause of death in US after cardiovascular disease. Image-based computer-aided diagnosis can assist physicians to efficiently diagnose cancers in early stages. Existing computer-aided algorithms use hand-crafted features such as wavelet coefficients, co-occurrence matrix features, and recently, histogram of shearlet coefficients for classification of cancerous tissues and cells in images. These hand-crafted features often lack generalizability since every cancerous tissue and cell has a specific texture, structure, and shape. An alternative approach is to use convolutional neural networks (CNNs) to learn the most appropriate feature abstractions directly from the data and handle the limitations of hand-crafted features. A framework for breast cancer detection and prostate Gleason grading using CNN trained on images along with the magnitude and phase of shearlet coefficients is presented. Particularly, we apply shearlet transform on images and extract the magnitude and phase of shearlet coefficients. Then we feed shearlet features along with the original images to our CNN consisting of multiple layers of convolution, max pooling, and fully connected layers. Our experiments show that using the magnitude and phase of shearlet coefficients as extra information to the network can improve the accuracy of detection and generalize better compared to the state-of-the-art methods that rely on hand-crafted features. This study expands the application of deep neural networks into the field of medical image analysis, which is a difficult domain considering the limited medical data available for such analysis.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Hadi Rezaeilouyeh ; Ali Mollahosseini and Mohammad H. Mahoor
"Microscopic medical image classification framework via deep learning and shearlet transform", J. Med. Imag. 3(4), 044501 (Nov 03, 2016). ; http://dx.doi.org/10.1117/1.JMI.3.4.044501


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