有循环检测，周期性检测，中介真值程度度量，基于中介真值程度度量的图像分割复化三点Gauss-lengend公式求pi。- There are cycle detection, periodic testing, The true extent of the value of the intermediary measure, measure the true extent of the agency based on the value of image segmentation Complex of three-point Gauss-lengend the Formula pi.