Moment matching

• 矩匹配

Moment matching的用法和样例：

例句

1. In order to improve the accuracy of the contour coordinates, a moment matching contour tracing algorithm is introduced, which achieves the sub-pixel accuracy.
   为了进一步提高轮廓追踪的精度，利用矩匹配方法进行二次追踪，使得轮廓坐标精度达到亚像素级。