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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通常，信息的存在在形式是信号幅度绝对幅度或相对幅度、频率或频谱成分、相位或者和其他信号之间的时序关系。

This information normally exists in the form of signal amplitude (absolute or relative), frequency or spectral content, phase, or timing relationships with respect to other signals.

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通常，信息的存在在情势是信号幅度尽对幅度或绝对幅度、频率或频谱成分、相位或者跟其余信号之间的时序关联。

This information normally exists in the form of signal amplitude (absolute or relative) frequency or spectral content phase or timing relationships with respect to other signals.

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