About: Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization

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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	The model resamples input BTF data into a parametrization, allowing decomposition of individual view and illumination dependent texels into a set of multi-dimensional conditional probability density functions. These functions are compressed in turn using a novel multi-level vector quantization algorithm. The result of this algorithm is a set of index and scale code-books for individual dimensions. BTF reconstruction from the model is then based on fast chained indexing into the nested stored code-books. In the proposed model, luminance and chromaticity are treated separately to achieve further compression. The proposed model achieves low distortion and compression ratios 1:233-1:2040, depending on BTF sample variability. These results compare well with several other BTF compression methods with predefined compression ratios, usually smaller than 1:200. The model resamples input BTF data into a parametrization, allowing decomposition of individual view and illumination dependent texels into a set of multi-dimensional conditional probability density functions. These functions are compressed in turn using a novel multi-level vector quantization algorithm. The result of this algorithm is a set of index and scale code-books for individual dimensions. BTF reconstruction from the model is then based on fast chained indexing into the nested stored code-books. In the proposed model, luminance and chromaticity are treated separately to achieve further compression. The proposed model achieves low distortion and compression ratios 1:233-1:2040, depending on BTF sample variability. These results compare well with several other BTF compression methods with predefined compression ratios, usually smaller than 1:200. (en)
Title	Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization (en)
skos:prefLabel	Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization (en)
skos:notation	RIV/68407700:21230/10:00167185!RIV11-MSM-21230___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0572), P(GA102/08/0593), Z(AV0Z10750506), Z(MSM6840770014)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	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	248759
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/10:00167185
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bidirectional texture function; BRDF; BTF; compression; SSIM (en)
http://linked.open.../riv/klicoveSlovo	compression BTF bidirectional texture function BRDF SSIM
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[6C4C9418046A]
http://linked.open...i/riv/nazevZdroje	Computer Graphics Forum
http://linked.open...in/vavai/riv/obor	JC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Data, algorithms, decision making BTF Texture Modelling
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	29
http://linked.open...iv/tvurceVysledku	Filip, J. Havran, Vlastimil Myszkowski, K.
http://linked.open...ain/vavai/riv/wos	000274388400014
http://linked.open...n/vavai/riv/zamer	Pokročilé matematické metody získávání, zpracování a využití informací a znalostí ve složitých a nedeterministických systémech Výzkum perspektivních informačních a komunikačních technologií
issn	0167-7055
number of pages	16 (xsd:int)
http://localhost/t...ganizacniJednotka	21230

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