基于累进传输的三维地形实时优化自适应网格算法研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2003, Vol. 24 ›› Issue (1): 94-96.

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Progressive Transmission-Based ROAM Algorithm for 3D Terrain

WU Bo, SHI Fa-zhong

School of Mechanical Engineering and Automation; Beijing University of Aeronautics and Astronautics; Beijing 100083; China

Received:2002-06-05 Revised:2002-07-08 Online:2003-02-25 Published:2003-02-25

Abstract

Abstract: In order to realize the dynamic multiresolution and progressive transmission for a 3D terrain, the wavelettechnique was used to sample and rebuild the high field. The fractal technique was used to increase artificial details.ROAM (Real-time Optimally Adapting Meshes)-based improved algorithm was used to create the dynamic multiresolution DEM (Digital Elevation Model) . The realizing of the whole algorithm indicates that a better effect has already been acquired.

Key words: wavelet transform, progressive transmission, fractal terrain, level of detail, multiresolution

CLC Number:

TP391.9

WU Bo;SHI Fa-zhong. Progressive Transmission-Based ROAM Algorithm for 3D Terrain[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2003, 24(1): 94-96.

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Progressive Transmission-Based ROAM Algorithm for 3D Terrain

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