粒子图像分割及匹配均为自行编制的子例程，利用matlab针对图像进行马氏距离计算 ,多姿态，多角度，有不同光照。- Particle image segmentation and matching subroutines themselves are prepared, Using matlab to calculate the Mahalanobis distance for the image, Much posture, multi-angle, have different light.