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R*-树结点自适应聚类分簇算法

孙殿柱 孙永伟 李延瑞 宋洋

孙殿柱, 孙永伟, 李延瑞, 等 . R*-树结点自适应聚类分簇算法[J]. 北京航空航天大学学报, 2013, 39(3): 344-348.
引用本文: 孙殿柱, 孙永伟, 李延瑞, 等 . R*-树结点自适应聚类分簇算法[J]. 北京航空航天大学学报, 2013, 39(3): 344-348.
Sun Dianzhu, Sun Yongwei, Li Yanrui, et al. Node splitting algorithm of R*-tree based on self-adaptation clustering[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(3): 344-348. (in Chinese)
Citation: Sun Dianzhu, Sun Yongwei, Li Yanrui, et al. Node splitting algorithm of R*-tree based on self-adaptation clustering[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(3): 344-348. (in Chinese)

R*-树结点自适应聚类分簇算法

基金项目: 国家自然科学基金资助项目(51075247);山东省自然科学基金资助项目(ZR2010EM008)
详细信息
    作者简介:

    孙殿柱(1956-),男,山东烟台人,教授,dianzhus@sdut.edu.cn.

  • 中图分类号: TP391.72

Node splitting algorithm of R*-tree based on self-adaptation clustering

  • 摘要: 为提高逆向工程中点云、三角网格等数据的索引效率,提出一种R*-树结点自适应聚类分簇算法,采用均匀分布数据作为参考点集,基于间隙统计法及k-均值算法获得使结点相似度之和开始收敛的自然簇数,进而实现R*-树的结点自适应聚类分簇.实验证明,该算法可实现各类复杂几何对象的R*-树结点分簇问题,并能降低R*-树结点分簇的参数依赖性,减少结点重合度,提高R*-树空间数据查询效率.

     

  • [1] Beckmann N,Kriegel H P,Schneider R,et al.The R*-tree:an efficient and robust access method for points and rectangles[J].ACM IGMOD,1990,19(2):322-331 [2] 孙殿柱,范志先,李延瑞,等.散乱数据点云型面特征分析算法的研究与应用[J].机械工程学报,2007,43(6):133-136 Sun Dianzhu,Fan Zhixian,Li Yanrui,et al.Research and application of surface feature analysis for scatter data points[J].Chinese Journal of Mechanical Engineering,2007,43(6):133-136 (in Chinese) [3] 张明波,陆锋,申排伟,等.R树家族的演变和发展[J].计算机学报,2005,28(3):289-300 Zhang Mingbo,Lu Feng,Shen Paiwei,et al.The evolvement and progress of R-tree family[J].Chinese Journal of Computers,2005,28(3):289-300(in Chinese) [4] Brakastsoulas S,Pfoser D,Ttheodoridis Y.Revisiting R-tree construction principles[C]//Proceedings 6th ADBIS.London:Lecture Notes In Computer Science,2002:149-162 [5] Zhu Qing,Gong Jun,Zhang Yeting.An efficient 3D R-tree spatial index method for virtual geographic environments[J].ISPRS Journal of Photogrammertry and Remote Sensing,2007,62(3):217-224 [6] 黄继先,鲍光淑,夏斌.基于混合聚类算法的动态R-树[J].中南大学学报,2006,37(2):366-370 Huang Jixian,Bao Guangshu,Xia Bin.A dynamic R-tree index based on hybrid clustering algorithm[J].Journal of Central South University:Science and Technology,2006,37(2):366-370(in Chinese) [7] 孙殿柱,田中朝,李延瑞,等.基于四维聚类的R*-树结点分裂算法[J].机械工程学报,2009,45(10):180-184 Sun Dianzhu,Tian Zhongchao,Li Yanrui,et al.Node splitting algorithm of R*-tree based on four-dimensional clustering[J].Chinese Journal of Mechanical Engineering,2009,45(10):180-184(in Chinese) [8] 孙殿柱,李延瑞,朱昌志,等.几何对象统一表示的R*-tree结点分裂算法[J].华中科技大学学报,2010,38(2):55-58 Sun Dianzhu,Li Yanrui,Zhu Changzhi,et al.Node splitting algorithm for R*-tree based on united expression of all geometry objects[J].Journal of Huazhong University of Science and Technology:Nature Science,2010,38(2):55-58(in Chinese) [9] Murat Erisoglu,Nazif Calis,Sadullah Sakallioglu.A new algorithm for initial cluster centers in k-means algorithm[J].Pattern Recognition Letters,2011,32(8):1701-1705 [10] Tibshirani R,Walther G,Hastie T.Estimating the number of cluster in a dataset via the gap statistic[J].J Royal Statist Soc B,2001,32(2):411-423
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出版历程
  • 收稿日期:  2012-03-02
  • 网络出版日期:  2013-03-31

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