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\nTeam: Department of Computer Science and Engineering, The Chinese University of Hong Kong, Sha Tin, Hong Kong

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\n\tAuthors: Hao Chen, Huang-Jing Lin, Qi Dou, and Pheng-Ann Heng

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\n\tAbstract:

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\n\tIn this ISBI challenge, we developed a multi-scale deep contextual network for automatic metastasis detection. Taking advantage of powerful feature representation and end-to-end learning framework, multi-level contextual information were explored by deep supervision. We first search the regions of interest with threshold, then segment the metastasis masks utilizing the deep contextual network, a variant of fully convolutional network. Moreover, we extend it into multi-scale resolutions, hence the results can be further improved.\n\n

\n\tResults:

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\n\tThe following figure shows the receiver operating characteristic (ROC) curve of the method.

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\n\tThe following figure shows the free-response receiver operating characteristic (FROC) curve of the method.

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\n\tThe table below presents the average sensitivity of the developed system at 6 predefined false positive rates: 1/4, 1/2, 1, 2, 4, and 8 FPs per whole slide image.

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