浙江大学博士论文，提出了一个基于邻域重心约束的光顺算法，通过极小化邻域重心约束的局部邻域目标函数达到局部光顺的目的-Zhejiang University doctoral thesis, put forward a neighborhood-based center of gravity bound smoothing algorithm, through a very small neighborhood of the focus of the local neighborhood bound by the objective function to achieve the purpose of local smoothing