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Research on Deep Learning Techniques in Breaking Text-Based Captchas and Designing Image-Based Captcha.

Mengyun TangHaichang GaoYang ZhangYi LiuPing ZhangPing Wang
Published in: IEEE Trans. Inf. Forensics Secur. (2018)
Keyphrases
  • deep learning
  • unsupervised learning
  • unsupervised feature learning
  • machine learning
  • restricted boltzmann machine
  • mental models
  • multiscale
  • decision making
  • weakly supervised