Robust CAPTCHAs Towards Malicious OCR

Jiaming Zhang, Jitao Sang, Kaiyuan Xu, Shangxi Wu, Xian Zhao, Yanfeng Sun, Yongli Hu, Jian Yu. Robust CAPTCHAs Towards Malicious OCR. IEEE Transactions on Multimedia, 23:2575-2587, 2021. [doi]

Abstract

Abstract is missing.