该程序的主要功能是进行一维信号或二维信号的数据进行重新编码，以减少数据冗余，对于数字水印彩色图像的预处理具有较好的帮助。-The program s main function is to re-encode the one-dimensional signals or two- dimensional signal data to reduce data redundancy , and has a good help for digital watermarking of color ima