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Ultrasonic Key Recognition: Security Algorithm for Pre-composed High Frequency Sound as a Mode of Unlocking a Security Lock.

Jeric Ryan R. De JosefBobby D. GerardoMa. Beth S. ConcepcionKyle Gabriel V. OretaYung-Cheol Byun
Published in: ACIS-ICIS (2012)
Keyphrases
  • high frequency
  • recognition algorithm
  • low frequency
  • computational complexity
  • high resolution
  • wavelet transform
  • gray scale