通论算法，给人脸做重构处理，进一步完成人脸的样本稀疏化，还能更好的重构人脸。-The General Theory of algorithms, giving face to do reconstruction processing to complete further thinning of face samples, but also to better reconstruct the face.

正交匹配追踪法实现1-D信号压缩传感，测量数M>=K*log(N/K),K是稀疏度,N信号长度,可以近乎完全重构-Orthogonal Matching Pursuit