CHC+RT: Coherent Hierarchical Culling for Ray Tracing

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F15%3A00231364" target="_blank" >RIV/68407700:21230/15:00231364 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1111/cgf.12582" target="_blank" >http://dx.doi.org/10.1111/cgf.12582</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/cgf.12582" target="_blank" >10.1111/cgf.12582</a>

Jazyk výsledku

angličtina

Název v původním jazyce

CHC+RT: Coherent Hierarchical Culling for Ray Tracing

Popis výsledku v původním jazyce

We propose a new technique for in-core and out-of-core GPU ray tracing using a generalization of hierarchical occlusion culling in the style of the CHC++ method. Our method exploits the rasterization pipeline and hardware occlusion queries in order to create coherent batches of work for localized shader-based ray tracing kernels. By combining hierarchies in both ray space and object space, the method is able to share intermediate traversal results among multiple rays. We exploit temporal coherence amongsimilar ray sets between frames and also within the given frame. A suitable management of the current visibility state makes it possible to benefit from occlusion culling for less coherent ray types like diffuse reflections. Since large scenes are stilla challenge for modern GPU ray tracers, our method is most useful for scenes with medium to high complexity, especially since our method inherently supports ray tracing highly complex scenes that do not fit in GPU memory. For in-core sce

Název v anglickém jazyce

CHC+RT: Coherent Hierarchical Culling for Ray Tracing

Popis výsledku anglicky

We propose a new technique for in-core and out-of-core GPU ray tracing using a generalization of hierarchical occlusion culling in the style of the CHC++ method. Our method exploits the rasterization pipeline and hardware occlusion queries in order to create coherent batches of work for localized shader-based ray tracing kernels. By combining hierarchies in both ray space and object space, the method is able to share intermediate traversal results among multiple rays. We exploit temporal coherence amongsimilar ray sets between frames and also within the given frame. A suitable management of the current visibility state makes it possible to benefit from occlusion culling for less coherent ray types like diffuse reflections. Since large scenes are stilla challenge for modern GPU ray tracers, our method is most useful for scenes with medium to high complexity, especially since our method inherently supports ray tracing highly complex scenes that do not fit in GPU memory. For in-core sce

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

IN - Informatika

OECD FORD obor

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Projekt

<a href="/cs/project/GAP202%2F12%2F2413" target="_blank" >GAP202/12/2413: Optimální algoritmy pro syntézu obrazu</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Computer Graphics Forum

ISSN

0167-7055

e-ISSN

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Svazek periodika

34

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

12

Strana od-do

537-548

Kód UT WoS článku

000358326600051

EID výsledku v databázi Scopus

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