When watermarking is embedded, it is modified coefficients by the parity quantization. When watermarking is detected, it is able to achieve blind extracted successfully.
水印嵌入时通过奇偶量化的方法修改系数,水印提取时可进行盲提取。
参考来源 - 基于变换域和HVS的数字水印算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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