仿射变换与摄影变换，通过最小二乘算法计算变换矩阵。具体要有像点坐标文件，读取相应的文件即可在图上显示三位点的位置-Transformation affine transformation and photography, through the transformation matrix least-squares algorithm. Point coordinates should be as specific documents, read the corresponding docume

利用MP,OMP,COSAMP算法处理二维信号比较-comparative of compressive sensing using mp，omp，cosamp