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	Dynamic LOD on GPU
	Ji, Junfeng ; Wu, Enhua ; Li, Sheng ; Liu, Xuehui
	2005
英文摘要	This paper presents a novel approach to implementing dynamic LOD on GPU. For our purpose, a quadtree structure is created based on seamless geometry image atlas, which is a 3D surface representation hi parameter space by combining the features of geometry images and poly-cube maps. All the nodes in the quadtree are packed into the atlas textures. There are two rendering passes in our approach. In the first pass, the LOD selection is performed in the fragment shaders. The resultant buffer is taken as the input texture to the second rendering pass by vertex texturing, and thus the node culling and triangulation can be performed in the vertex shaders. Our LOD algorithm can generate adaptive meshes dynamically, and can be fully implemented on GPU. It improves the efficiency of LOD selection, and alleviates the computing load on CPU. ? 2005 IEEE.; EI; 0
语种	英语
DOI标识	10.1109/CGI.2005.1500386
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/328940]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Ji, Junfeng,Wu, Enhua,Li, Sheng,et al. Dynamic LOD on GPU. 2005-01-01.

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