CAJ | 학술논문

本文提出了一种草图指导的三维模型特征线提取方法，该方法特点在于：一方面，建立了笔画采样点与模型特征线点间的条件随机场匹配模型，将模型几何特征与形状相似性结合匹配，实现了草图信息与模型特征线提取的有效融合；另一方面，提出了基于结构相似性的模型特征线度量机制，并采用迭代优化方法实现了全局最优模型特征线的提取。实验结果表明：本文提出的方法能有效获取与草图结构形状相对应的模型特征线绘图。
본문제출료일충초도지도적삼유모형특정선제취방법，해방법특점재우：일방면，건립료필화채양점여모형특정선점간적조건수궤장필배모형，장모형궤하특정여형상상사성결합필배，실현료초도신식여모형특정선제취적유효융합；령일방면，제출료기우결구상사성적모형특정선도량궤제，병채용질대우화방법실현료전국최우모형특정선적제취。실험결과표명：본문제출적방법능유효획취여초도결구형상상대응적모형특정선회도。
This paper proposed a 3D model feature lines extracting method guided by user′s sketch .There are two main con-tributions of our method :on the one hand ,a conditional random fields (CRF )-matching model with geometric features and shape similarity between stroke points and candidate feature points is established ,and the user drawing purpose is combined with the model feature lines extraction effectively ;on the other hand ,a topological similarity based metrics is proposed to evaluate the rationality of extracted feature lines ,and an iterative optimization process is applied to obtain global optimized model feature lines .The experi-mental results show that our method is efficient to extract reasonable 3D model feature lines which are similar to sketch strokes on shape and topological properties .