Interactive Stable Ray Tracing
| dc.contributor.author | Corso, Alessandro Dal | en_US |
| dc.contributor.author | Salvi, Marco | en_US |
| dc.contributor.author | Kolb, Craig | en_US |
| dc.contributor.author | Frisvad, Jeppe Revall | en_US |
| dc.contributor.author | Lefohn, Aaron | en_US |
| dc.contributor.author | Luebke, David | en_US |
| dc.contributor.editor | Vlastimil Havran and Karthik Vaiyanathan | en_US |
| dc.date.accessioned | 2017-12-06T19:46:57Z | |
| dc.date.available | 2017-12-06T19:46:57Z | |
| dc.date.issued | 2017 | |
| dc.description.abstract | Interactive ray tracing applications running on commodity hard- ware can su er from objectionable temporal artifacts due to a low sample count. We introduce stable ray tracing, a technique that improves temporal stability without the over-blurring and ghosting artifacts typical of temporal post-processing lters. Our technique is based on sample reprojection and explicit hole lling, rather than relying on hole- lling heuristics that can compromise image quality. We make reprojection practical in an interactive ray tracing context through the use of a super-resolution bitmask to estimate screen space sample density. We show signi cantly improved temporal stability as compared with supersampling and an existing reprojec- tion techniques. We also investigate the performance and image quality di erences between our technique and temporal antialias- ing, which typically incurs a signi cant amount of blur. Finally, we demonstrate the bene ts of stable ray tracing by combining it with progressive path tracing of indirect illumination. | en_US |
| dc.description.sectionheaders | Real-Time Ray Tracing and Image Reconstruction | |
| dc.description.seriesinformation | Eurographics/ ACM SIGGRAPH Symposium on High Performance Graphics | |
| dc.identifier.doi | 10.1145/3105762.3105769 | |
| dc.identifier.isbn | 978-1-4503-5101-0 | |
| dc.identifier.issn | 2079-8679 | |
| dc.identifier.uri | https://doi.org/10.1145/3105762.3105769 | |
| dc.identifier.uri | https://diglib.eg.org:443/handle/10.1145/3105762-3105769 | |
| dc.publisher | ACM | en_US |
| dc.subject | Computing methodologies | |
| dc.subject | Ray tracing | |
| dc.subject | Reprojection | |
| dc.subject | dynamic scene | |
| dc.subject | caching | |
| dc.subject | temporal stability | |
| dc.subject | GPU | |
| dc.title | Interactive Stable Ray Tracing | en_US |