Two-Stage Convolutional Neural Network for Breast Cancer Histology Image Classification

03/11/2018

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This paper explores the problem of breast tissue classification of microscopy images. Based on the predominant cancer type the goal is to classify images into four categories of normal, benign, in situ carcinoma, and invasive carcinoma. Given a suitable training dataset, we utilize deep learning techniques to address the classification problem. Due to the large size of each image in the training dataset, we propose a patch-based technique which consists of two consecutive convolutional neural networks. The first "patch-wise" network extracts features of image patches while the second "image-wise" network performs classification of the whole image. The first network is aimed at extracting local information while the second network obtains global information of an input image. We trained the networks using the ICIAR 2018 grand challenge on BreAst Cancer Histology (BACH) dataset. The proposed method yields 95 previously reported 77 available at https://github.com/ImagingLab/ICIAR2018

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Two-Stage Convolutional Neural Network for Breast Cancer Histology Image Classification

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