该程序有matlab的GUI界面，用离散余弦变换实现了数字水印图像嵌入，并且能够从处理过的图像中提取出水印。所有的图片都经过二值化处理，这是一个黑白图像的数字水印嵌入程序。-The program has matlab GUI interface, with the discrete cosine transform to achieve the digital watermark embedding and can be processed images from the extracted