About: COBRA: Compression of the Basis for PCA Represented Animations

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this paper we present an extension of dynamic mesh compression techniques based on PCA. Such representation allows very compact representation of moving 3d surfaces, however it requires some side information to be transmitted along with the main data. The biggest part of this information is the PCA basis, and since the data can be encoded very efficiently, the size of the basis cannot be neglected when considering the overall performance of a compression algorithm. We present a new work in this area, as none of the papers about PCA based compression really addresses this issue. We will show that for an efficient and accurate encoding there are better choices than even sophisticated algorithms such as LPC. We will present results showing that our approach can reduce the size of the basis by 90\% with respect to direct encoding, which can lead to approximately 25\% increase of performance of the compression algorithm without any significant loss of accuracy. Such improvement moves the performance o In this paper we present an extension of dynamic mesh compression techniques based on PCA. Such representation allows very compact representation of moving 3d surfaces, however it requires some side information to be transmitted along with the main data. The biggest part of this information is the PCA basis, and since the data can be encoded very efficiently, the size of the basis cannot be neglected when considering the overall performance of a compression algorithm. We present a new work in this area, as none of the papers about PCA based compression really addresses this issue. We will show that for an efficient and accurate encoding there are better choices than even sophisticated algorithms such as LPC. We will present results showing that our approach can reduce the size of the basis by 90\% with respect to direct encoding, which can lead to approximately 25\% increase of performance of the compression algorithm without any significant loss of accuracy. Such improvement moves the performance o (en)
Title	COBRA: Compression of the Basis for PCA Represented Animations COBRA: Compression of the Basis for PCA Represented Animations (en)
skos:prefLabel	COBRA: Compression of the Basis for PCA Represented Animations COBRA: Compression of the Basis for PCA Represented Animations (en)
skos:notation	RIV/49777513:23520/09:00502087!RIV10-MSM-23520___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(LC06008)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Váša, Libor Skala, Václav
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	Západočeská univerzita v Plzni / Fakulta aplikovaných věd
http://linked.open...dnocenehoVysledku	307435
http://linked.open...ai/riv/idVysledku	RIV/49777513:23520/09:00502087
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mesh animation; PCA; compression; basis; quantisation (en)
http://linked.open.../riv/klicoveSlovo	compression basis PCA mesh animation quantisation
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[7F0F7E5D2568]
http://linked.open...i/riv/nazevZdroje	Computer Graphics forum
http://linked.open...in/vavai/riv/obor	JC
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of Computer Graphics
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	28
http://linked.open...iv/tvurceVysledku	Skala, Václav Váša, Libor
http://linked.open...ain/vavai/riv/wos	000269902100001
issn	0167-7055
number of pages	12 (xsd:int)
http://localhost/t...ganizacniJednotka	23520
is http://linked.open...avai/riv/vysledek of	COBRA: Compression of the Basis for PCA Represented Animations COBRA: Compression of the Basis for PCA Represented Animations COBRA: Compression of the Basis for PCA Represented Animations COBRA: Compression of the Basis for PCA Represented Animations

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