% Matlab implementation of SPIHT (without Arithmatic coding stage) % % By Jing Tian, scuteejtian@hotmail.com fprintf('-----------   Welcome to SPIHT Matlab Demo!   ----------------\n'); fprintf('-----------   Load

MATLAB implementation of SPIHT (without Arithmatic coding stage). ％ Performance evaluation : this toolbox VS. SPIHT ％ Test image: lena512.raw ％ bpp SPIHT(dB) This code(dB) ％ 0.1000 29.8107 29.3202 ％ 0.2000 32.7202 32.2514 ％ 0.3000 34.5

arithmatic 编码，是图像压缩的主要算法之一，是一种无损数据压缩方法，也是一种熵编码的方法。-arithmatic coding is one of the main image compression algorithm and a lossless data compression method, but also a method of entropy coding.