A SIMPLIFICATION ALGORITHM OF VIEW-DEPENDENT DYNAMIC MULTIRESOLUTION TERRAIN BASED ON ADAPTIVE QUADTREE

摘要：

This paper introduces a simplification algorithm of view-dependent multiresolution terrain based on adaptive quadtree.In order to realize real-time rendering of comparatively complex terrain surface model, the algorithm selectively refines various areas of terrain based on the viewpoint position, and accelerates terrain data simplification with multiresolution level of detail model of uniform grid model.In the proposed algorithm, block is taken as a space unit for large area simplification of terrain model.Meanwhile, grid crack between terrain blocks of different resolution is avoided by vertex inter-dependency.The experiment results show the validity of the algorithm.

关键词： Terrain View-Dependent Adaptive quadtree Multiresolution model

作者: HUI-YI LIU

作者单位: Computer & Information Engineering College, Hohai University, Nanjing, 210098,China

会议类型: 国际会议

会议名称: 2007 International Conference on Machine Learning and Cybernetics(IEEE第六届机器学习与控制论国际会议)

会议地点: 香港

会议语种:英文

页码: 1531-1535

在线出版日期: 2007-08-19（万方平台首次上网日期，不代表论文的发表时间）