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基于局部蔓延的多层次实体模型检索 被引量：7

Multiresolutional Retrieval of Solid Models Based on Local Dilation
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摘要 针对不同层次需求,根据层次之间蔓延区域的属性,利用局部蔓延生成一种多层次蔓延骨架图的实体模型表示方法;并基于该骨架图研究了子图群的匹配方法,提出多层次相似评价方法,高效、准确地完成了层次图的匹配.实验结果表明:该检索方式不仅具有很好的查全率与查准率,而且能够针对不同设计阶段的用户高效地给出满足用户需求的检索结果. According to the demands of different layers, the solid models shape descriptor, dilation based multiresolutional skeleton （DBMS） graph was generated based on local dilation. Then based on DBMS graph, the matching of multi-subgraph in the same level was researched and multiresolutional similarity assessment of DBMS graphs was given to complete multiresolutional matching efficiently and accurately. Experiments show that the algorithm has good precision/recall and can give satisfied retrieval results for users of different design stages efficiently.
作者 白静 刘玉生 高曙明
机构地区 浙江大学CAD&CG国家重点实验室
出处 《计算机辅助设计与图形学学报》 EI CSCD 北大核心 2007年第4期480-485,共6页 Journal of Computer-Aided Design & Computer Graphics
基金 国家自然科学基金(60403049) 浙江省科技计划重点项目(J2005C21096 J2005C21007)
关键词 实体模型 三维检索 相似性评价 蔓延 多层次蔓延 局部蔓延 dilation solid model 3D retrieval similarity estimation dilation multiresolutional dilation local
分类号 TP391.72 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献18

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共引文献4

同被引文献68

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引证文献7

二级引证文献14

计算机辅助设计与图形学学报
2007年 第4期

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