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Novel quaternion polar complex exponential transform and its application in color image zero-watermarking.

Zhiqiu XiaXingyuan WangChunpeng WangBin MaHao ZhangQi Li
Published in: Digit. Signal Process. (2021)
Keyphrases
  • color images
  • fourier transform
  • real world
  • complex systems
  • high level
  • image watermarking
  • image processing
  • multiscale
  • digital images
  • gray scale
  • color space
  • color information
  • color image segmentation
  • fourier analysis