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A new implementation of chaotic S-boxes in CAPTCHA.

Majid KhanTariq ShahSyeda Iram Batool
Published in: Signal Image Video Process. (2016)
Keyphrases
  • chaotic sequence
  • chaotic map
  • s box
  • image encryption algorithm
  • efficient implementation
  • piecewise linear
  • design criteria
  • genetic algorithm
  • initial conditions
  • image quality
  • power consumption