小波变换，是目前国内国际热门的研究领域。因为其是无损压缩。这里提供实现的源代码，供大家学习。...

算术编码方法是将被编码的一则消息或符号串（序列）表示成0和1之间的一个间隔（Interval），即对一串符号直接编码成[0,1]区间上的一个浮点小数。符号序列越长，编码表示它的间隔越小，表示这一间隔所需的位数就越多。信源中的符号序列仍然要根据某种模式生成概率的大小来减少间隔。可能出现的符号概率要比不太可能出现的符号减少范围小，因此，只正加较少的比特位。-Arithmetic coding method is to be a coded message or symbol strings (sequences) that between 0 and 1 into an interval (Interval), that is directly encoded into a string of symbols [0,1] range of a floating-point decimal. The longer the symbol sequence, encoding the smaller the interval that it said that the median of this interval, the more necessary. Source is still the symbolic sequence generated according to a mode to reduce the size of the probability interval. May be less than the probability of the symbols of the symbols may be small to reduce the scope, therefore, are only plus-bit bit less.

数据压缩算法LZMA,包含c c++ java等各种语言.主要实现的环境是vc++6.0.-Data compression algorithm LZMA, contains c c++ Java and other languages. Realize the environment is a major vc++ 6.0.

老外写的一个实现LZW算法的示范程序,为了简单起见,该算法未作最佳的优化.-foreigner was a realization of the LZW algorithm model procedures for the sake of simplicity, the algorithm is not optimal for the best.

This scheme is initiated by Ziv and Lempel [1]. A slightly modified version is described by Storer and Szymanski [2]. An implementation using a binary tree is proposed by Bell [3]. The algorithm is quite simple: Keep a ring buffer, which initially contains "space" characters only. Read several letters from the file to the buffer. Then search the buffer for the longest string that matches the letters just read, and send its length and position in the buffer.

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自己按照清华大学出版社出版的数据结构编写的一个huffman编码的程序，用C语言编写的。-their Tsinghua University Publishing House in accordance with the data structure prepared by a Huffman coding procedures, with the C language.

经典的乡农编码，算法比较简单，了解乡农编码的请顶。-classic Township coding algorithm is relatively simple to understand Township coding please roof.

Arithmetic coding source code. A very good software for arithmetic coding.

Handbook for J2K(Jpeg 2000). Algorithms and techniques

spiht的压缩解压缩c编写的，通过编译，可用-SPIHT compression decompression c prepared by the compiler can be used