The traditional image edge detectors can only get multiple-pixel-wide edges usually, thus it is difficult to operate by post-processing methods.
传统的图像边缘检测算子一般都只能得到多像素宽边缘，这为后续的图像处理带来了一定困难。
Based on the investigation of some current algorithms, the first chapter introduces some basic knowledge and current status on mesh generation, post-processing methods, and mesh smoothing.
基于对该领域部分现有方法的初步了解，本文第一章简单介绍了网格生成技术、后处理技术和网格光滑化算法的现状。
Based on the investigation of some current algorithms, the first chapter introduces some basic knowledge and current status on mesh generation, post-processing methods, and mesh smoothing.
基于对该领域部分现有方法的初步了解，本文第一章简单介绍了网格生成技术、后处理技术和网格光滑化算法的现状。
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