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FFTshuiyindaima

于 2010-07-31 发布 文件大小:1KB
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代码说明:

  水印的提取算法和加入算法互为逆过程,即为分段---FFT变换---提取水印---水印信息升维处理(The watermark extraction algorithm and the reverse process of each other to join algorithm, namely transform section--- FFT------ watermarking watermark l-dimensional processing)

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