Sciweavers

RT
2001
Springer
14 years 4 months ago
Hardware-Accelerated from-Region Visibility Using a Dual Ray Space
This paper describes a novel from-region visibility algorithm, the unique properties of which allow conducting remote walkthroughs in very large virtual environments, without prepr...
Vladlen Koltun, Yiorgos Chrysanthou, Daniel Cohen-...
RT
2005
Springer
14 years 5 months ago
Fast Exact From-Region Visibility in Urban Scenes
We present a fast exact from-region visibility algorithm for 2.5D urban scenes. The algorithm uses a subdivision of line space for identifying visibility interactions in a 2D foot...
Jirí Bittner, Peter Wonka, Michael Wimmer