Smart Identification of Psoriasis by Images Using Convolutional Neural Networks: A Case Study in China

Zhao, Shuang and Xie, Bin and Li, Yi and Zhao, Xin-Yu and Kuang, Yehong and Su, Juan and He, Xiao-Yu and Wu, Xian and Fan, Wei and Huang, Kai and Su, Jie and Peng, Yonghong and Navarini, Alexander A. and Huang, Weihong and Chen, Xiang. (2020) Smart Identification of Psoriasis by Images Using Convolutional Neural Networks: A Case Study in China. Journal of the European Academy of Dermatology and Venereology : JEADV, 34 (3). pp. 518-524.

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Official URL: https://edoc.unibas.ch/72182/

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Psoriasis is a chronic inflammatory skin disease which holds a high incidence in China. However, professional dermatologists who can diagnose psoriasis early and correctly are insufficient in China, especially in the rural areas. A smart approach to identify psoriasis by pictures would be highly adaptable countrywide, and could play a useful role in early diagnosis and regular treatment of psoriasis.; Design and evaluation of a smart psoriasis identification system based on clinical images (without relying on a dermatoscope) that works effectively similar to a dermatologist.; A set of deep learning models using convolutional neural networks (CNNs) were explored and compared in the system for automatic identification of psoriasis. The work was carried out on a standardized dermatological dataset with 8021 clinical images of 9 common disorders including psoriasis along with full electronic medical records of patients built over the last 9 years in China. A two-stage deep neural network was designed and developed to identify psoriasis. In the first stage, a multi-label classifier was trained to learn the visual patterns for each individual skin disease. In the second stage, the output of the first stage were utilized to distinguish psoriasis from other skin diseases.; The area under the curve (AUC) of the two-stage model reached 0.981±0.015, which outperforms a single-stage model. And the classifier showed superior performance (missed diagnosis rate: 0.04, misdiagnosis rate: 0.03) than 25 Chinese dermatologists (missed diagnosis rate: 0.09, misdiagnosis rate: 0.27) in the diagnosis of psoriasis on 100 clinical images.; Using clinical images to identify psoriasis is feasible and effective based on CNNs, which also builds a solid technical base for smart care of skin diseases especially psoriasis using mobile/tablet applications for teledermatology in China.
Faculties and Departments:03 Faculty of Medicine > Bereich Spezialfächer (Klinik) > Dermatologie USB > Dermatologie (Navarini)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Spezialfächer (Klinik) > Dermatologie USB > Dermatologie (Navarini)
UniBasel Contributors:Navarini, Alexander
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:09 Jul 2020 15:32
Deposited On:09 Jul 2020 15:32

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