中文说明：主要为数据分析和统计，在matlab环境中自动识别连通区域的大小,对于初学matlab的同学会有帮助，模拟数据分析处理的过程，结合PCA的尺度不变特征变换(SIFT)算法，粒子图像分割及匹配均为自行编制的子例程。
English Description：
Mainly for data analysis and statistics, in the MATLAB environment, automatic identification connected region size, for the beginner will help matlab students, simulation data analysis process, combined with PCA scale invariant feature transform (SIFT) algorithm and particle image segmentation and matching are compiled by the subroutine.