这是我VB实习弄的图象的DCT变换程序,与大家分享,-This is my VB practice of image DCT transform program, to share with you,

一个不错的程序, For fast DCT and lapped transform-A good program, For fast DCT and lapped transform

一个不错的程序, For fast DCT and lapped transform(A good program, For fast DCT and lapped transform)

利用霍夫曼编码进行图像压缩处理，此程序为霍夫曼编码的示例(The performance of a Huffman code is a function of the entropy of the signal distribution and therefore can be highly dependent in the transform domain in which the code is applied. For example, JPEG partitions an image

通过dct反变换来提取数字水印的一个程序代码(Extracting digital watermark)