多姿态，多角度，有不同光照,采用的是脉冲对消法，最小均方误差（MMSE）的算法，表示出两帧图像间各个像素点的相对情况，一个很有用的程序。- Much posture, multi-angle, have different light, It uses a pulse of consumer law, Minimum mean square error (MMSE) algorithm, Between two images showing the relative circumstances of each pixel, A very useful program.