NDLI: An improved dynamic-octree-based judging method of real-time node in moving geometry

Content Provider	IEEE Xplore Digital Library
Author	Hongbo Li Yuxin Wu Vu Wu
Copyright Year	2013
Description	Author affiliation: Inst. of Web Intell., Chongqing Univ. of Posts & Telecommun., Chongqing, China (Hongbo Li; Yuxin Wu; Vu Wu)
Abstract	In applications that are realized based on octree space division (OSD) method, reconstruction speed of the corresponding part of tree structure is too slow when dynamic object moves, and the model fidelity is not enough when it is rendered by use of multiple nodes marking method. To achieve a better efficiency, an improved method by extending the bounding box of loose octree node is proposed. Firstly, the real-time relationship between geometry and node is confirmed by using the object pointer chain. Then the bounding box method is improved to expand and overlap the neighbor loose node related to dynamic object. Finally, the node belonged to the moving object is located by comparing length of object radius and divide-node side. Experimental results on benchmark datasets and simulation datasets indicate that the proposed method renders the model more realistically, and it improves the reconstruction speed and drawing efficiency of octree structure.
Starting Page	333
Ending Page	337
File Size	956569
Page Count	5
File Format	PDF
ISBN	9781467362481
e-ISBN	9781467362498
DOI	10.1109/ICICIP.2013.6568093
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-09
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Solid modeling Heuristic algorithms Octrees Loading Multiple nodes marking Games Rendering (computer graphics) Octree space division Real-time systems Tree structure Loose bounding box Neighbor node
Content Type	Text
Resource Type	Article

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