经典矩量法点匹配程序，重推导，注释说明详细-Classical point matching moment method procedure

采用mom方法结合Hessian和曲线拟合的方法计算出血管的直径并输出测量图像，采用图像处理方法获得图像骨架，经调试代码可用。(The diameter of blood vessel is calculated by mom method combined with Hessian and curve fitting method, and the measured image is output. The image skeleton is obtained by image process