"CAPTCHA Recognition Method Based on CNN with Focal Loss."

Zhong Wang, Peibei Shi (2021)

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DOI: 10.1155/2021/6641329

access: open

type: Journal Article

metadata version: 2024-05-14

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Zhong Wang, Peibei Shi:
CAPTCHA Recognition Method Based on CNN with Focal Loss. Complex. 2021: 6641329:1-6641329:10 (2021)

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