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Vulnerability of the conventional accessible CAPTCHA used by the White House and an alternative approach for visually impaired people.

Michitomo YamaguchiToru NakataHajime WatanabeTakeshi OkamotoHiroaki Kikuchi
Published in: SMC (2014)
Keyphrases
  • feature space
  • relational databases
  • data mining
  • artificial intelligence
  • database
  • databases
  • machine learning
  • computer vision
  • database systems
  • artificial neural networks
  • risk assessment
  • easily accessible