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http://hdl.handle.net/1942/8042
Title: | Sharing Visual Information in Virtual Environments using Projective Texture Mapping | Authors: | FRANCKEN, Yannick HUYSMANS, Johan BEKAERT, Philippe |
Issue Date: | 2007 | Source: | International Conference on Advances in Computer Entertainment Technology (ACE 2007). Proceedings. p. 135-138. | Abstract: | We present a method for sharing visual information in 3D virtual environments, using a projective texture mapping based method. Avatars can share information with other avatars by projecting relevant information into the environment. In addition to standard projective texture mapping, an important depth cue is added: projected light is attenuated in function of the light-travel distance. This is efficiently accomplished on a per vertex basis by adaptively super-sampling under-sampled polygons. This way, the projection quality is maximized while keeping a fixed frame rate. Our technique is implemented into the Quake III engine, extending its shading language with GLSL fragment and vertex shaders. | Document URI: | http://hdl.handle.net/1942/8042 | ISBN: | 978-1-59593-640-0 | Category: | C1 | Type: | Proceedings Paper |
Appears in Collections: | Research publications |
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