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Investigating the effects of sound masking on the use of audio CAPTCHAs.

Abiodun OlalereJinjuan Heidi FengJonathan LazarTim Brooks
Published in: Behav. Inf. Technol. (2014)
Keyphrases
  • multimedia
  • audio signal
  • signal processing
  • audio content
  • data sets
  • human visual system
  • artificial intelligence
  • information systems
  • metadata
  • multiscale
  • expert systems
  • visual information
  • acoustic features
  • audio files