fft和dct变换的简单实现，有实验图像，vs2005下开发-fft and dct transform a simple implementation, there are experimental images, vs2005 developed under the

在DWT-SVD的基础上进行的改进，结合了DCT的特点实现一种基于DWT-DCT-SVD的水印算法-DWT-SVD improved on the basis of the conduct, combined with the characteristics of DCT-based watermarking algorithm implementation of a DWT-DCT-SVD