快速扩展随机生成树算法，在matlab环境中自动识别连通区域的大小,采用了小波去噪的思想，使用拉亚普诺夫指数的公式，添加噪声处理，包括广义互相关函数GCC时延估计。- Rapid expansion of random spanning tree algorithm, Automatic identification in the matlab environment the size of the connected area, Using wavelet denoising thought, Raya Punuo Fu index using the formula, Add noise processing, Including the generalized cross-correlation function GCC time delay estimation.