An Efficient Method for Voxel-Based Terrain Visualization

摘要：

Terrain rendering is essential to represent virtual environment in interactive applications. We have explored voxel-based terrain rendering using GPU-based ray casting method. The 3D visualization of real terrain fields such as Geographic Information System (GIS) requires interactive fly-through on the terrain.However, since previous approaches usually require a tremendous amount of CPU computation for viewfrustum culling and level-of-detail selecthon, they are not suitable for those applications. We propose an accelerated terrain rendering method using GPU,which exploits a novel data structure using quadtree method, for the acceleration of the voxel-based terrain rendering. In addition, we expanded the conventional PARC (Polygon Assisted Ray Casing) algorithm by applying our method to accelerate rendering performance of GPU- based terrain rendering method.

作者: Dong-Soo Kang Byeong-Seok Shin

作者单位: Department of Computer Science and Information Engineering, Inha University 253 Yonghyeon-Dong, Nam-Gu, Inchon, 402-751, Korea

会议类型: 国际会议

会议名称: The 5th Asian Symposium on Geographic Information Systems from Computer Science & Engineering View(ASGIS 2007)(第五届亚洲地理信息系统国际学术研讨会)

会议地点: 重庆

会议语种:英文

页码: 93-97

在线出版日期: 2007-04-24（万方平台首次上网日期，不代表论文的发表时间）