Hierarchical Multi-Layer Screen-Space Ray Tracing

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dc.contributor.author Hofmann, Nikolai en_US
dc.contributor.author Bogendörfer, Phillip en_US
dc.contributor.author Stamminger, Marc en_US
dc.contributor.author Selgrad, Kai en_US
dc.contributor.editor Vlastimil Havran and Karthik Vaiyanathan en_US
dc.date.accessioned 2017-12-06T19:47:49Z
dc.date.available 2017-12-06T19:47:49Z
dc.date.issued 2017
dc.identifier.isbn 978-1-4503-5101-0
dc.identifier.issn 2079-8679
dc.identifier.uri http://dx.doi.org/10.1145/3105762.3105781
dc.identifier.uri https://diglib.eg.org:443/handle/10.1145/3105762-3105781
dc.description.abstract In this paper we present a method for fast screen-space ray tracing. Single-layer screen-space ray marching is an established tool in high-performance applications, such as games, where plausible and appealing results are more important than strictly correct ones. However, even in such tightly controlled environments, missing scene information can cause visible artifacts. is can be tackled by keeping multiple layers of screen-space information, but might not be a orable on severely limited time-budgets. Traversal speed of single-layer ray marching is commonly improved by multi-resolution schemes, from sub-sampling to stepping through mip-maps to achieve faster frame rates. We show that by combining these approaches, keeping multiple layers and tracing on multiple resolutions, images of higher quality can be computed rapidly. Figure 1 shows this for two scenes with multi-bounce re ections that would show strong artifacts when using only a single layer. en_US
dc.publisher ACM en_US
dc.subject Computing methodologies Ray tracing
dc.subject Rasterization
dc.subject Screen
dc.subject Space Ray Tracing
dc.subject Multi
dc.subject Layer
dc.subject Real
dc.subject Time Rendering
dc.title Hierarchical Multi-Layer Screen-Space Ray Tracing en_US
dc.description.seriesinformation Eurographics/ ACM SIGGRAPH Symposium on High Performance Graphics
dc.description.sectionheaders Real-Time Graphics Techniques
dc.identifier.doi 10.1145/3105762.3105781

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