中文说明：复化三点Gauss-lengend公式求pi，外文资料里面的源代码，Matlab实现界面友好，插值与拟合的matlab实现，实现了图像的灰度化并进一步用于视频监视控，重要参数的提取。
English Description：
Complex three Gauss-lengend formula to calculate pi, foreign material inside the source code, matlab realization of friendly interface, interpolation and fitting matlab implementation, the realization of the gray scale image and further used for video monitoring and control, the important parameters of the extraction.