block dct
Ps22Pdf 关键词 : 数字水印 ; 分块离散余弦变换 ; JPEG 压缩 ; 盲提取 [gap=860]Key words: Digital Watermarking; Block DCT; JPEG Compression; Blind Testing
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基于离散余弦变换(DCT)方法对水印算法进行了研究，提出一种新的将水印嵌入到分块dct相位成分的盲水印算法。
A watermarking scheme based on the discrete cosine transform (DCT) was studied. A new blind watermarking algorithm by embedding the watermark into the phase components of DCT was proposed.
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