Quaternion discrete fractional random transform for color image adaptive watermarking.
Beijing ChenChunfei ZhouByeungwoo JeonYuhui ZhengJinwei WangPublished in: Multim. Tools Appl. (2018)
Keyphrases
- color images
- fourier transform
- color texture
- hartley transform
- digital images
- translation invariant
- color space
- gray scale
- color information
- watermarking algorithm
- color correction
- spread spectrum
- reversible watermarking
- color texture segmentation
- orthogonal polynomials
- morphological skeleton
- image watermarking
- digital watermarking
- watermarking scheme
- image coding
- natural images