独立成分分析算法降低原始数据噪声，包括脚本文件和函数文件形式，借鉴了主成分分析算法（PCA），鲁棒性好，性能优越，在matlab环境中自动识别连通区域的大小,毕业设计有用，在matlab R2009b调试通过。- Independent component analysis algorithm reduces the raw data noise, Including scr ipt files and function files in the form, It draws on principal component analysis algorithm (PCA), Robustness, superior performance, Automatic identification in the matlab environment the size of the connected area, Graduation useful In matlab R2009b debugging through.