About: Fast Insertion-Based Optimization of Bounding Volume Hierarchies

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dcgi.felk.cvut.cz/home/bittner/publications/cgf-r2.pdf
Description	We present an algorithm for fast optimization of bounding volume hierarchies (BVH) for efficient ray tracing. We perform selective updates of the hierarchy driven by the cost model derived from the surface area heuristic. In each step, the algorithm updates a fraction of the hierarchy nodes to minimize the overall hierarchy cost. The updates are realized by simple operations on the tree nodes: removal, search and insertion. Our method can quickly reduce the cost of the hierarchy constructed by the traditional techniques, such as the surface area heuristic. We evaluate the properties of the proposed method on fourteen test scenes of different complexity including individual objects and architectural scenes. The results show that our method can improve a BVH initially constructed with the surface area heuristic by up to 27% and a BVH constructed with the spatial median split by up to 88%. We present an algorithm for fast optimization of bounding volume hierarchies (BVH) for efficient ray tracing. We perform selective updates of the hierarchy driven by the cost model derived from the surface area heuristic. In each step, the algorithm updates a fraction of the hierarchy nodes to minimize the overall hierarchy cost. The updates are realized by simple operations on the tree nodes: removal, search and insertion. Our method can quickly reduce the cost of the hierarchy constructed by the traditional techniques, such as the surface area heuristic. We evaluate the properties of the proposed method on fourteen test scenes of different complexity including individual objects and architectural scenes. The results show that our method can improve a BVH initially constructed with the surface area heuristic by up to 27% and a BVH constructed with the spatial median split by up to 88%. (en)
Title	Fast Insertion-Based Optimization of Bounding Volume Hierarchies Fast Insertion-Based Optimization of Bounding Volume Hierarchies (en)
skos:prefLabel	Fast Insertion-Based Optimization of Bounding Volume Hierarchies Fast Insertion-Based Optimization of Bounding Volume Hierarchies (en)
skos:notation	RIV/68407700:21230/13:00204952!RIV14-MSM-21230___
http://linked.open...avai/predkladatel	Fakulta elektrotechnická
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GAP202/11/1883), P(GAP202/12/2413), S
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Bittner, Jiří Hapala, Michal Havran, Vlastimil
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	74711
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/13:00204952
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	BVH; surface area heuristics; ray tracing (en)
http://linked.open.../riv/klicoveSlovo	surface area heuristics BVH ray tracing
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[A563454D839A]
http://linked.open...i/riv/nazevZdroje	COMPUTER GRAPHICS FORUM
http://linked.open...in/vavai/riv/obor	IN
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Global Illumination for Augmented Reality in General Environments Optimal Algorithms for Image Synthesis
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	32
http://linked.open...iv/tvurceVysledku	Bittner, Jiří Hapala, Michal Havran, Vlastimil
http://linked.open...ain/vavai/riv/wos	000315301700008
issn	0167-7055
number of pages	16 (xsd:int)
http://bibframe.org/vocab/doi	10.1111/cgf.12000
http://localhost/t...ganizacniJednotka	21230

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