中文说明： 这是一种基于离散余弦变换的图像数字水印算法的matlab的实现，实验结果显示了matlab在数字水印技术处理中的方便行和高效性， 通过用matlab编程大大减少了程序的复杂性，大大提高了程序代码的效率
English Description：
This is a Digital Image Watermarking algorithm based on discrete cosine transform MATLAB implementations, the results showed MATLAB in digital watermarking technology in dealing with the convenience and efficiency, By MATLAB programming greatly reduces the complexity of procedures, greatly improve the efficiency of program code