经典的梯度投影压缩感知算法，以DWT为稀疏基。-Classical gradient projection compressed sensing algorithms to DWT sparse groups.

压缩感知算法，在梯度投影的基础上进行的改进，取得了很好的效果，以DWT为稀疏基。-Compressed sensing algorithm, improved on the basis of the gradient projection undertaken and achieved good results, with DWT sparse groups.