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Regular Paper

CytoBrain: Cervical Cancer Screening System Based on Deep Learning Technology

Institute of Artificial Intelligence, School of Computer Science, Wuhan University, Wuhan 430072, China
Landing Artificial Intelligence Center for Pathological Diagnosis, Wuhan University, Wuhan 430072, China

Special Section on AI and Big Data Analysis in Biology and Medicine

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Abstract

Identification of abnormal cervical cells is a significant problem in computer-aided diagnosis of cervical cancer. In this study, we develop an artificial intelligence (AI) system, named CytoBrain, to automatically screen abnormal cervical cells to help facilitate the subsequent clinical diagnosis of the subjects. The system consists of three main modules: 1) the cervical cell segmentation module which is responsible for efficiently extracting cell images in a whole slide image (WSI); 2) the cell classification module based on a compact visual geometry group (VGG) network called CompactVGG which is the key part of the system and is used for building the cell classiffier; 3) the visualized human-aided diagnosis module which can automatically diagnose a WSI based on the classification results of cells in it, and provide two visual display modes for users to review and modify. For model construction and validation, we have developed a dataset containing 198 952 cervical cell images (60 238 positive, 25 001 negative, and 113 713 junk) from samples of 2 312 adult women. Since CompactVGG is the key part of CytoBrain, we conduct comparison experiments to evaluate its time and classification performance on our developed dataset and two public datasets separately. The comparison results with VGG11, the most efficient one in the family of VGG networks, show that CompactVGG takes less time for either model training or sample testing. Compared with three sophisticated deep learning models, CompactVGG consistently achieves the best classification performance. The results illustrate that the system based on CompactVGG is efficient and effective and can support for large-scale cervical cancer screening.

Keywords

classificationdeep learningartificial intelligence (AI)cervical cancer screeningvisual geometry group (VGG)

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Journal of Computer Science and Technology
Volume 36 Issue 2,
March 2021
Pages 347-360
DOI: 10.1007/s11390-021-0849-3
Cite this article:
Chen H, Liu J, Wen Q-M, et al. CytoBrain: Cervical Cancer Screening System Based on Deep Learning Technology. Journal of Computer Science and Technology, 2021, 36(2): 347-360. https://doi.org/10.1007/s11390-021-0849-3

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Received: 30 July 2020
Accepted: 17 February 2021
Published: 05 March 2021
©Institute of Computing Technology, Chinese Academy of Sciences 2021
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