改程序包括了四种数字水印的隐写分析。四种方法都还不错。-Reform program, including four digital watermarking steganalysis. Four methods are pretty good.

对图像以嵌入率为rate进行顺序LSB嵌入，然后进行卡方隐写分析-Rate on the image to be embedded in the order of LSB embedding rate, and then chi-square steganalysis