用Matlab对图像进行哈夫曼编码（Huffman Coding）以实现对图像的无损压缩-Use Matlab to realize Huffman coding for lossless image compression

A collection of functions is presented which includes 2nd generation wavelet decomposition and reconstruction tools for images as well as functions for the computation of moment invariants. The wavelet schemes rely on the lifting scheme of Sweldens.

用Matlab编程实现小波变换小波变换的mallat算法，多孔算法，小波提升算法-Programming with Matlab wavelet transform mallat wavelet transform algorithm, porous algorithm, wavelet lifting scheme

小波分析matlab程序,包含各种小波提升方案，以及小波提升的应用-Wavelet analysis matlab program includes a variety of wavelet lifting scheme, and the application of wavelet lifting

提升小波源代码，可直接用于matlab编程，具有许多优良特性：结构简单、运算量低、原位运算、节省存储空间、逆变化可以直接反转实现，以及可逆的整数到整数变换。-The wavelet lifting scheme under matlab.It has many features:simple structure,little caculation scalar,computing at the original place,little storation,directily anti-conv