| 基于牙颌模型的散乱点云配准技术研究 |
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| 引用本文： | 张晓娟,李忠科,吕培军,王勇.基于牙颌模型的散乱点云配准技术研究[J].计算机工程与应用,2012,48(19):16-19. |
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| 作者姓名： | 张晓娟 李忠科 吕培军 王勇 |
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| 作者单位： | 1.第二炮兵工程大学 401教研室，西安 710025
2.北京大学 口腔医学院，北京 100871 |
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| 摘 要： | 在牙齿三维矫正中需要对牙齿进行排列，常用方法是通过人机交互完成，效率不高。提出了一种基于粒子群的自动化排牙方法，将每颗牙齿上的特征点到标准牙弓曲线的距离和作为目标函数，利用粒子群算法对解空间进行搜索，在搜索过程中加入约束条件，得到牙齿移动的最终位置。利用算法对牙齿进行排列，可以省去人机交互中的平移等操作。实验结果表明：该算法能够有效地用于牙齿三维矫正中，提高了排牙效率。
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| 关 键 词： | 点云 配准 牙模型 特征点 ICP算法 |
Registration algorithms of dental cast based on unorganized 3D point-cloud |
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| ZHANG Xiaojuan
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LI Zhongke
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LV Peijun
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WANG Yong.Registration algorithms of dental cast based on unorganized 3D point-cloud[J].Computer Engineering and Applications,2012,48(19):16-19. |
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| Authors: | ZHANG Xiaojuan LI Zhongke LV Peijun WANG Yong |
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| Affiliation: | 1.Teaching and Research Section of 401, The Second Artillery Engineering University, Xi’an 710025, China
2.School of Stomatology, Beijing University, Beijing 100871, China |
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| Abstract: | In the optical non-contact measurement process,the reconstruction of complex object depends on the registering of many point clouds.Iterative Closest Poin(tICP)algorithm is a mathematical method with high level in processing data of 3D laser scanning about registration.For the sake of obtaining better registering result,a algorithm including initial registration and precise registration is proposed.It combines algorithm based on feature points and ICP to register point cloud data automatically.Experimental results are presented,and show the accurate and robust performance of proposed algorithm. |
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| Keywords: | point cloud registration dental cast feature points Iterative Closest Point(ICP) |
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