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函数用于DCT的信息隐藏,在变换域嵌入隐藏的信息,Function for the DCT information hidden in the transform domain embedded hidden information
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主要实现了列变换加密的功能，调试软件是microsoft visual c++ 6.0，将keyword反复的写在明文上方，通过明文与keyword的对应组合到给定的表中查找相应的字母，就可以得到密文。-The main achievement of the the column transform encryption function, debugging software is Microsoft the visual c++ 6.0, write the keyword repeated
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matlab数字水印加密和嵌入程序，含有小波变换和Arnold变换函数代码-Matlab digital watermarking encryption and embedding procedures, including wavelet transform and Arnold transform function code
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