IEEE/ICACT20220093 Slide.15
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IEEE/ICACT20220093 Slide.15
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| Oral Presentation |
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The watermark information is embedded in real space (pixel space) in blocks. Let 𝑖𝑘 (x,y) be the image data of the kth block, gain be the embedding strength, and 𝑤𝑘 (x,y) be the image data in which the watermark is embedded. The watermark data to be embedded are decomposed into a 1D bit¡¡sequence and wm ¡ô (0,1). The¡¡embedding is performed by extracting two bits from wm for each block, and the embedding into the kth block is expressed by this equations. | |
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