嵌入水印信息的matlab程序,先读入原图像，再进行dct变换,产生水印序列排序，嵌入水印，dct反变换，得到嵌入水印的图像-Matlab embedded watermark information, procedures, first read the original image and then dct transform, resulting in the watermark sequence to sort, watermark embedding, dct inverse transform, the watermark embedded image