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Embedded Semi-Fragile Signature Based Scheme For Ownership Identification And Color Image Authentication With Recovery
2008
Zenodo
In this paper, a novel scheme is proposed for Ownership Identification and Color Image Authentication by deploying Cryptography & Digital Watermarking. The color image is first transformed from RGB to YST color space exclusively designed for watermarking. Followed by color space transformation, each channel is divided into 4×4 non-overlapping blocks with selection of central 2×2 sub-blocks. Depending upon the channel selected two to three LSBs of each central 2×2 sub-block are set to zero to
doi:10.5281/zenodo.1073063
fatcat:wvddktt2izd3bklyxzb57llali