参考的文献是Amir Said and William A. Pearlman, "A New Fast and Efficient Image Codec Based on Set Partitioning in Hierarchical Trees," % IEEE Transactions on Circuits and Systems for Video Technology,
一种基于多级树集合分裂（SPIHT）对快速高效的图像压缩算法
包括的文件有： func_Mywavedec2.m, func_MyDescendant.m, func_SPIHT_Enc.m, func_Myappcoef2.m, func_InvDWT.m, func_DWT.m, func_SPIHT_Dec.m, func_SPIHT_Demo_Main.m, lena512.bmp, contents.m, func_Mywaverec2.m