基于混沌加密的奇异值分解算法的源代码，实现了水印技术的预处理及嵌入提取过程。-Chaos-based encryption algorithm, singular value decomposition of the source code, a watermark embedding technology and extraction pretreatment.

奇异值差分理论，对输入的信号矩阵化，并对矩阵进行奇异值分解，完成对信号的分析和处理-Singular value differential theory, the matrix of the input signal, and the matrix singular value decomposition, the completion of signal analysis and processing