压缩感知是新兴起来的一门重要学科，这里提供香港大学沙威最经典简单的一个框架。由小波先进行稀疏化，再用OMP算法进行修复重构-Compressed sensing is a new up an important subject, here Javert University of Hong Kong' s most classic of a simple framework. First performed by the wavelet thinning, then OMP algorithm repair Reconstruction