• Computer Science
  • Published 2011

A Highly Reliable CAPTCHA Recognition Algorithm Based on Rejection

@inproceedings{Shu2011AHR,
  title={A Highly Reliable CAPTCHA Recognition Algorithm Based on Rejection},
  author={Huang Shu},
  year={2011}
}
CAPTCHA is a kind of network security mechanism that blocks machines from abusing network resource owned by human. Studying the recognition of CAPTCHA can help to find its hidden defects, and thus make it securer. To read closely-connected CAPTCHA that can hardly be recognized by methods of state of art, this paper brought up a new recognition algorithm based on rejection. During the process of this algorithm, recurrent neural network (RNN) was first used to recognize the unknown CAPTCHA. Then… CONTINUE READING

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