About: Effects of Global Illumination Approximations on Material Appearance

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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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Rendering applications in design, manufacturing, ecommerce and other fields are used to simulate the appearance of objects and scenes. Fidelity with respect to appearance is often critical, and calculating global illumination (GI) is an important contributor to image fidelity; but it is expensive to compute. GI approximation methods, such as virtual point light (VPL) algorithms, are efficient, but they can induce image artifacts and distortions of object appearance. In this paper we systematically study the perceptual effects on image quality and material appearance of global illumination approximations made by VPL algorithms. In a series of psychophysical experiments we investigate the relationships between rendering parameters, object properties and image fidelity in a VPL renderer. ... Rendering applications in design, manufacturing, ecommerce and other fields are used to simulate the appearance of objects and scenes. Fidelity with respect to appearance is often critical, and calculating global illumination (GI) is an important contributor to image fidelity; but it is expensive to compute. GI approximation methods, such as virtual point light (VPL) algorithms, are efficient, but they can induce image artifacts and distortions of object appearance. In this paper we systematically study the perceptual effects on image quality and material appearance of global illumination approximations made by VPL algorithms. In a series of psychophysical experiments we investigate the relationships between rendering parameters, object properties and image fidelity in a VPL renderer. ... (en)
Title	Effects of Global Illumination Approximations on Material Appearance Effects of Global Illumination Approximations on Material Appearance (en)
skos:prefLabel	Effects of Global Illumination Approximations on Material Appearance Effects of Global Illumination Approximations on Material Appearance (en)
skos:notation	RIV/00216208:11320/10:10022137!RIV11-MSM-11320___
http://linked.open...avai/riv/aktivita	R Z
http://linked.open...avai/riv/aktivity	R, Z(MSM0021620838)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Křivánek, Jaroslav
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	256316
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/10:10022137
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	global illumination; VPL; virtual point light; instant radiosity; visual equivalence; material perception; Perception (en)
http://linked.open.../riv/klicoveSlovo	Perception global illumination instant radiosity material perception virtual point light visual equivalence VPL
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[30A636D7F554]
http://linked.open...i/riv/nazevZdroje	ACM Transactions on Graphics
http://linked.open...in/vavai/riv/obor	JD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	29
http://linked.open...iv/tvurceVysledku	Křivánek, Jaroslav Bala, Kavita Ferwerda, James A.
http://linked.open...ain/vavai/riv/wos	000279806600081
http://linked.open...n/vavai/riv/zamer	Moderní metody, struktury a systémy informatiky
issn	0730-0301
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	11320

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