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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F09%3A00157984%21RIV10-MSM-21230___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
In this paper we propose a global visibility algorithm which computes from-region visibility for all view cells simultaneously in a progressive manner. We cast rays to sample visibility interactions and use the information carried by a ray for all view cells it intersects. The main contribution of the paper is a set of adaptive sampling strategies based on ray mutations that exploit the spatial coherence of visibility. Our method achieves more than an order of magnitude speedup compared to per-view cell sampling. This provides a practical solution to visibility preprocessing and also enables a new type of interactive visibility analysis application, where it is possible to quickly inspect and modify a coarse global visibility solution that is constantly refined. In this paper we propose a global visibility algorithm which computes from-region visibility for all view cells simultaneously in a progressive manner. We cast rays to sample visibility interactions and use the information carried by a ray for all view cells it intersects. The main contribution of the paper is a set of adaptive sampling strategies based on ray mutations that exploit the spatial coherence of visibility. Our method achieves more than an order of magnitude speedup compared to per-view cell sampling. This provides a practical solution to visibility preprocessing and also enables a new type of interactive visibility analysis application, where it is possible to quickly inspect and modify a coarse global visibility solution that is constantly refined.
dcterms:title
Adaptive Global Visibility Sampling Adaptive Global Visibility Sampling
skos:prefLabel
Adaptive Global Visibility Sampling Adaptive Global Visibility Sampling
skos:notation
RIV/68407700:21230/09:00157984!RIV10-MSM-21230___
n4:aktivita
n12:Z n12:P
n4:aktivity
P(LC06008), P(MEB060906), Z(MSM6840770014)
n4:cisloPeriodika
3
n4:dodaniDat
n5:2010
n4:domaciTvurceVysledku
n10:1257072 n10:5704847
n4:druhVysledku
n14:J
n4:duvernostUdaju
n11:S
n4:entitaPredkladatele
n13:predkladatel
n4:idSjednocenehoVysledku
301921
n4:idVysledku
RIV/68407700:21230/09:00157984
n4:jazykVysledku
n17:eng
n4:klicovaSlova
visibility
n4:klicoveSlovo
n9:visibility
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[767C5106B8FC]
n4:nazevZdroje
ACM Transactions on Graphics (TOG)
n4:obor
n18:IN
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
5
n4:projekt
n8:MEB060906 n8:LC06008
n4:rokUplatneniVysledku
n5:2009
n4:svazekPeriodika
28
n4:tvurceVysledku
Bittner, Jiří Havran, Vlastimil
n4:wos
000269278000074
n4:zamer
n16:MSM6840770014
s:issn
0730-0301
s:numberOfPages
10
n15:organizacniJednotka
21230