一种基于hough变换的草图设计方法  

A Sketch Design Method Based on Hough Transform

作　　者：徐真[1] 王吉华[1] 

机构地区：[1]山东师范大学信息科学与工程学院,山东济南250300

出　　处：《机械研究与应用》2017年第2期154-155,162,共3页Mechanical Research & Application

基　　金：国家自然科学基金支持项目:基于邻接面复杂网络的产品功能形状特征提取和应用研究(编号:61472233);山东省自然科学基金项目:基于本体的三维模型功能特征识别技术研究(编号:ZF2014FM018)

摘　　要：草图绘制在三维模型中起到举足轻重的作用,大部分草图绘制采用的方法是手工绘制,时间复杂度较高。提出了基于hough变换的草图研究方法,节省了时间,为设计者提供了方便。首先对三维模型进行预处理,然后利用canny算子提取图形边缘,通过加权欧式距离进行相似性度量,最后通过hough变换构建曲线的直线特征,得到所需的草图框架,实验证明降低了时间复杂度。Sketch plays a vital role in 3D model, and most of the sketch drawing methods are hand-painted and of high timecomplexity. The sketch research method based on the hough transform is proposed in this paper, which could save time andprovide convenience for designers. In this article, the 3D model is preprocessed on the first step; then the edge graphics areextracted by using the canny operator, and similarity measure is conducted through the weighted Euclidean distance; finally,the framework sketch that we wanted is obtained by the linear features of curve built from the hough transform. The experimentproves that the time complexity is reduced.

关 键 词：CANNY算子 边缘提取 加权欧式距离 HOUGH变换 草图 

分 类 号：TH164[机械工程—机械制造及自动化]