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Reversible data hiding in encrypted images based on multi-level encryption and block histogram modification.

Zhao-Xia YinAndrew AbelJin TangXinpeng ZhangBin Luo
Published in: Multim. Tools Appl. (2017)
Keyphrases
  • image data
  • input image
  • test images
  • original images
  • secret key
  • jpeg images
  • secret data
  • reversible data hiding
  • pixel values
  • dct coefficients
  • image blocks
  • chaotic sequence