图像压缩算法——小波变换6层提升算法SPIHT. 通过些算法可以改变压缩效率。 -Image Compression Algorithm -- 6-wavelet transform algorithm SPIHT upgrade. Through these compression algorithm can effect change rate.

图像压缩方面的内容：小波变换。七层提升算法SPIHT版-image compression aspects : wavelet transform. Though version upgrade algorithm SPIHT

小波变换：五层提升算法SPIHT版。图像压缩方面。是小波变换方面算法的提升。-wavelet transform : five algorithm SPIHT upgrade version. Image compression. Respect is wavelet transform algorithm upgrade.