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《Acta Scientiarum Naturalium Universitatis Pekinensis》 2006-01
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Streaming 3D Terrain over Network

MA Zhigang ZHANG Kai WANG Guoping DONG Shihai(School of Electronics Engineering and Computer Science, Peking University, Beijing, 100871)  
Internet-based navigating of large-scale terrain environments is an important aspect of distribute virtual reality applications such as flight simulations and military maneuver, but currently is restricted by the limited network bandwidth. The authors exploit the potential of terrain as stream media and propose a new data lay-out that facilitates network transmission. By taking advantage of the regularity of DEM, terrain data are organized into multiple progressive compressed streams. Runtime network throughput is effectively reduced by intra- and inter-frame coherence. Coupled with carefully designed transmission scheme, the algorithm is decreased and can accommodate to dynamically changed network bandwidth.
【Fund】: 863计划(2004AA115120);; 国家自然科学基金(60173062);; 北京自然科学基金(4012008);; 国家重点基础研究发展计划项目(2004CB719403)资助项目
【CateGory Index】: TP391.41
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【References】
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【Co-references】
Chinese Journal Full-text Database 10 Hits
1 MA Zhaoting PAN Mao HU Jinxing WU Huanping WANG Zhangang (School of Earth and Space Sciences, Peking University, Beijing,100871);A Fast Walkthrough Method for Massive Terrain Based on Data Block Partition[J];Acta Scicentiarum Naturalum Universitis Pekinesis;2004-04
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【Secondary References】
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1 PAN Shaoming 1,YU Zhanwu1,LI Rui11.State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,Wuhan 430079,China;Tile Scheduling Algorithm Based on Active Cache in P2P Massive Terrain Navigation[J];Acta Geodaetica et Cartographica Sinica;2009-03
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6 PAN Shaoming 1 YU Zhanwu1 WANG Hao2 (1 State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,129 Luoyu Road,Wuhan 430079,China) (2 School of Electronic Information,Wuhan University,129 Luoyu Road,Wuhan 430079,China);Massive Terrain Data Sharing in Pyramid Hierarchical Peer-to-Peer Networks[J];Geomatics and Information Science of Wuhan University;2009-06
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