这个软件包主要是用于基于contourlet变换的图像稀疏表示。(I'ts a software about image sparse representation based on contourlet.)

轮廓波变换的基本原理，对输入图像的进行轮廓波变换，并重构原始信号(The basic principle of contourlet transform, performing contourlet transform on the input image and reconstructing the original signal.)