As a protection technology, digital watermarking is becoming more and more important in the protection and authentication of digital products, and has become one of the hot issues in the current computer field. A watermarking technology that combines block-based repeated embedding of watermark information and HVS in the spatial domain is proposed. The experimental results show that the use of block technology in the spatial domain improves the embedding strength of the watermark and reduces the computational complexity. The algorithm has strong ability to resist rotation, cropping, and scaling. The watermarking algorithm is combined with the effectiveness of HVS technology, and the digital watermark has good masking properties.
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