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Statements

Subject Item
n2:RIV%2F49777513%3A23520%2F11%3A43899272%21RIV12-MSM-23520___
rdf:type
skos:Concept n13:Vysledek
dcterms:description
There are multiple areas of computer graphics where triangular meshes are being altered in order to reduce their size or complexity, while attempting to preserve the original shape of the mesh as closely as possible. Recently, this area of research has been extended to cover even a dynamic case, i.e. surface animations which are compressed and simplified. However, to date very little effort has been made to develop methods for evaluating the results, namely the amount of distortion introduced by the processing. Even the most sophisticated compression methods use distortion evaluation by some kind of mean squared error while the actual relevance of such measure has not been verified so far. In this paper, we point out some serious drawbacks of the existing error measures. We present results of the subjective testing that we have performed, and we derive a new measure called STED (Spatio-temporal edge difference) which provides much better correlation with subjective opinions on mesh distortion. There are multiple areas of computer graphics where triangular meshes are being altered in order to reduce their size or complexity, while attempting to preserve the original shape of the mesh as closely as possible. Recently, this area of research has been extended to cover even a dynamic case, i.e. surface animations which are compressed and simplified. However, to date very little effort has been made to develop methods for evaluating the results, namely the amount of distortion introduced by the processing. Even the most sophisticated compression methods use distortion evaluation by some kind of mean squared error while the actual relevance of such measure has not been verified so far. In this paper, we point out some serious drawbacks of the existing error measures. We present results of the subjective testing that we have performed, and we derive a new measure called STED (Spatio-temporal edge difference) which provides much better correlation with subjective opinions on mesh distortion.
dcterms:title
A Perception Correlated Comparison Method for Dynamic Meshes A Perception Correlated Comparison Method for Dynamic Meshes
skos:prefLabel
A Perception Correlated Comparison Method for Dynamic Meshes A Perception Correlated Comparison Method for Dynamic Meshes
skos:notation
RIV/49777513:23520/11:43899272!RIV12-MSM-23520___
n13:predkladatel
n19:orjk%3A23520
n3:aktivita
n15:P
n3:aktivity
P(LC06008)
n3:cisloPeriodika
2
n3:dodaniDat
n6:2012
n3:domaciTvurceVysledku
n11:3619818 n11:5050278
n3:druhVysledku
n18:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
184046
n3:idVysledku
RIV/49777513:23520/11:43899272
n3:jazykVysledku
n17:eng
n3:klicovaSlova
animation, distortion, evaluation, error, measure, discrepancy, dynamic mesh
n3:klicoveSlovo
n4:distortion n4:measure n4:evaluation n4:animation n4:discrepancy n4:dynamic%20mesh n4:error
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[F0A798861FCE]
n3:nazevZdroje
IEEE Transactions on Visualization and Computer Graphics
n3:obor
n12:JC
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n14:LC06008
n3:rokUplatneniVysledku
n6:2011
n3:svazekPeriodika
17
n3:tvurceVysledku
Skala, Václav Váša, Libor
n3:wos
000285110000010
s:issn
1077-2626
s:numberOfPages
11
n9:organizacniJednotka
23520