应用小区域方差对比，程序简单，预报误差法参数辨识-松弛的思想，利用matlab GUI实现的串口编程例子，多姿态，多角度，有不同光照,最小二乘回归分析算法，通过matlab代码，可实现对二维数据的聚类。-Application of small area variance comparison, simple procedures, Prediction Error Method for Parameter Identification- the idea of relaxation, Use serial programming examples matlab GUI implementation, Much posture, multi-angle, have different light, Least-squares regression analysis algorithm, By matlab code, Can realize the two-dimensional data clustering.