About: Temporally Coherent Adaptive Sampling for Imperfect Shadow Maps

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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/egsr2013_final.pdf
Description	We propose a new adaptive algorithm for determining virtual point lights (VPL) in the scope of real-time instant radiosity methods, which use a limited number of VPLs. The proposed method is based on Metropolis-Hastings sampling and exhibits better temporal coherence of VPLs, which is particularly important for real-time applications dealing with dynamic scenes. We evaluate the properties of the proposed method in the context of the algorithm based on imperfect shadow maps and compare it with the commonly used inverse transform method. The results indicate that the proposed technique can significantly reduce the temporal flickering artifacts even for scenes with complex materials and textures. Further, we propose a novel splatting scheme for imperfect shadow maps using hardware tessellation. This scheme significantly improves the rendering performance particularly for complex and deformable scenes. We thoroughly analyze the performance of the proposed techniques on test scenes with detailed materials, moving camera, and deforming geometry. We propose a new adaptive algorithm for determining virtual point lights (VPL) in the scope of real-time instant radiosity methods, which use a limited number of VPLs. The proposed method is based on Metropolis-Hastings sampling and exhibits better temporal coherence of VPLs, which is particularly important for real-time applications dealing with dynamic scenes. We evaluate the properties of the proposed method in the context of the algorithm based on imperfect shadow maps and compare it with the commonly used inverse transform method. The results indicate that the proposed technique can significantly reduce the temporal flickering artifacts even for scenes with complex materials and textures. Further, we propose a novel splatting scheme for imperfect shadow maps using hardware tessellation. This scheme significantly improves the rendering performance particularly for complex and deformable scenes. We thoroughly analyze the performance of the proposed techniques on test scenes with detailed materials, moving camera, and deforming geometry. (en)
Title	Temporally Coherent Adaptive Sampling for Imperfect Shadow Maps Temporally Coherent Adaptive Sampling for Imperfect Shadow Maps (en)
skos:prefLabel	Temporally Coherent Adaptive Sampling for Imperfect Shadow Maps Temporally Coherent Adaptive Sampling for Imperfect Shadow Maps (en)
skos:notation	RIV/68407700:21230/13:00205879!RIV14-MSM-21230___
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	4
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Barák, Tomáš Bittner, Jiří 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	110300
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/13:00205879
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Real-time; temporal; illumination; radiosity; shadow maps; tracing; sampling. (en)
http://linked.open.../riv/klicoveSlovo	temporal illumination radiosity sampling. Real-time tracing shadow maps
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[3CE338C0398D]
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 Havran, Vlastimil Barák, Tomáš
http://linked.open...ain/vavai/riv/wos	000321946800010
issn	0167-7055
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1111/cgf.12154
http://localhost/t...ganizacniJednotka	21230

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