edging operation meaning in English

磨边工序

An important application of shape matching technique is the reconstruction of archaeological fragments . conceming this application , a series of processing algorithms is presented . an efficient algorithm of fragment digital , mesh simplification , extracting mesh outlines is presented , and the mesh simplification algorithm with features of 3d edge preservation by applying edge operations , in order to reduce the difference , smooth , filter and resample are applied on the original information
对于轮廓曲线的特性、复原目标、过程模型作了论述，完成了物体数字化采用的方法、数字化物体的存储、具有3d边缘保持的网格简化、轮廓曲线提取、轮廓曲线的光顺滤波、曲线的重采样等轮廓曲线匹配中所要用到的相关方法。