输入：为需要压缩图象的名称,该主程序仅能构处理256灰度图,读者可以自行改编为RGB处理；ratio为压缩比率；level为小波分解的级数 输出:是解压完毕的图象数据矩阵-input : the need for image compression name, the main program can only handle 256 gray level structure, Readers can own adaptation of RGB; ratio of compression ra

ECG compress algorithm

algrothim embedded zerotree wavelet in java for compress image

This is a matlab file to calculate the discrete wavelet transform of any image and then we use Huffman codes to compress the coefficients of the DWT and reconstruct the ompressed image again