Title:
Exploiting Spatio-Temporal Coherence in Ray-Traced Animation Frames
Exploiting Spatio-Temporal Coherence in Ray-Traced Animation Frames
| dc.contributor.author | Adelson, Stephen Joel | |
| dc.contributor.author | Hodges, Larry F. | |
| dc.date.accessioned | 2004-11-12T14:47:26Z | |
| dc.date.available | 2004-11-12T14:47:26Z | |
| dc.date.issued | 1993 | |
| dc.description.abstract | The majority of computer graphics images are generated as part of a sequence of animation frames. The usual approach for producing these images, however, is to render each frame in an animation as if it were a single, isolated image. We describe a technique that exploits spatial-temporal coherence between frames to speed up the generation of a ray-traced animation sequence. The concept is that the information gained when ray-tracing a particular frame in a sequence may be used to speed up the ray-tracing of other nearby frames. Based on a stereoscopic generation technique that generates the second half of a stereo pair for as little as 5% of the effort required to fully ray-trace the first half, this approach promises significant savings when ray-tracing animations with certain characteristics. Our algorithm is tested on an animation with many reflective surfaces, yet it still attains an overall 60% savings over full ray-tracing in terms of the number of rays solved. | en |
| dc.format.extent | 2430645 bytes | |
| dc.format.mimetype | application/pdf | |
| dc.identifier.uri | http://hdl.handle.net/1853/3608 | |
| dc.language.iso | en_US | |
| dc.publisher | Georgia Institute of Technology | en |
| dc.relation.ispartofseries | GVU Technical Report;GIT-GVU-93-01 | |
| dc.subject | Display algorithms | en |
| dc.subject | Ray-traced animation | en |
| dc.subject | Spatial coherence | en |
| dc.subject | Temporal coherence | en |
| dc.title | Exploiting Spatio-Temporal Coherence in Ray-Traced Animation Frames | en |
| dc.type | Text | |
| dc.type.genre | Technical Report | |
| dspace.entity.type | Publication | |
| local.contributor.corporatename | GVU Center | |
| local.relation.ispartofseries | GVU Technical Report Series | |
| relation.isOrgUnitOfPublication | d5666874-cf8d-45f6-8017-3781c955500f | |
| relation.isSeriesOfPublication | a13d1649-8f8b-4a59-9dec-d602fa26bc32 |