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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F10%3A00167185%21RIV11-MSM-21230___
rdf:type
skos:Concept n15:Vysledek
dcterms: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.
dcterms:title
Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization
skos:prefLabel
Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization
skos:notation
RIV/68407700:21230/10:00167185!RIV11-MSM-21230___
n3:aktivita
n13:P n13:Z
n3:aktivity
P(1M0572), P(GA102/08/0593), Z(AV0Z10750506), Z(MSM6840770014)
n3:cisloPeriodika
1
n3:dodaniDat
n4:2011
n3:domaciTvurceVysledku
n19:5704847
n3:druhVysledku
n11:J
n3:duvernostUdaju
n5:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
248759
n3:idVysledku
RIV/68407700:21230/10:00167185
n3:jazykVysledku
n16:eng
n3:klicovaSlova
bidirectional texture function; BRDF; BTF; compression; SSIM
n3:klicoveSlovo
n9:bidirectional%20texture%20function n9:BTF n9:compression n9:SSIM n9:BRDF
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[6C4C9418046A]
n3:nazevZdroje
Computer Graphics Forum
n3:obor
n12:JC
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n6:GA102%2F08%2F0593 n6:1M0572
n3:rokUplatneniVysledku
n4:2010
n3:svazekPeriodika
29
n3:tvurceVysledku
Filip, J. Myszkowski, K. Havran, Vlastimil
n3:wos
000274388400014
n3:zamer
n14:MSM6840770014 n14:AV0Z10750506
s:issn
0167-7055
s:numberOfPages
16
n17:organizacniJednotka
21230