在matlab环境中自动识别连通区域的大小,采用的是脉冲对消法，BP神经网络用于函数拟合与模式识别，isodata 迭代自组织的数据分析，供做算法研究人员参考，对于初学matlab的同学会有帮助。- Automatic identification in the matlab environment the size of the connected area, It uses a pulse of consumer law, BP neural network function fitting and pattern recognition, Isodata iterative self-organizing data analysis, Algorithm for researchers to do reference, Matlab for beginner students will help.