通过C++配合图像处理软件CVI，对图像进行水印处理，完成了对图像嵌入水印，提取水印。以及运用matlab对水印图像的鲁棒性进行验证-cooperating with C++ and a software called CVI,making the watermark into a picture and pick the watermark up　the picture which had been watermarked,and checking the robustness of the algorithm.