Table 1 Watermark articles of color images with their objectives, approaches used, and processing domain.
From: An improved reversible watermarking scheme using embedding optimization and quaternion moments
Objectives | Approaches | Treatment domain |
|---|---|---|
Suggests a novel approach for color image blind watermarking11 | Discrete Fourier transform (DFT), Arnold transformation (AT) | Spatial and transform |
Propose a semi blind color image watermarking system12 | Quaternion Hadamard transform, Schur decomposition, Zernike moments | Transform |
Propose a robust non-blind watermarking method13 | DCT-DWT and AT | Transform |
Propose a reliable and flexible watermarking system14 | RDWT, SVD, AT and artificial bee colony algorithm | Transform |
Propose a double-blind watermarking15 | DWT and least significant bits | Spatial and transform |
Propose a blind watermarking method based on chaotic encryption1 | DCT, DWT, AT and chaotic encryption | Transform |
Propose a reversible watermarking algorithm that ensures copyright protection of color medical images16 | Zernike moment and Haar wavelet transform | Transform |
Propose a quaternary watermark of a color image by integrating color watermarks17 | Schur decomposition and Affine transform | Transform |
Propose an approach to blindly watermarking digital color images using image correction and eigenvalue decomposition18 | EVD, HT and Affine transform | Transform |
