一个滤波器设计程序，用于实现9-7和5-3小波的分解与重构。并画出9-7和5-3小波的图像。-A filter design procedure for the realization of the 9-7 and 5-3 wavelet decomposition and reconstruction. And to draw 9-7 and 5-3 wavelet image.

Demonstrates image compression using biorthogonal 9/7 wavelet filters.

9/7小波图像滤波，二维小波滤波快速分解重构(9/7 wavelet image filtering)