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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F05%3A03109918%21RIV06-AV0-21230___
rdf:type
n9:Vysledek skos:Concept
dcterms:description
Není k dispozici A RANSAC-based algorithm for robust estimation of epipolar geometry from point correspondences in the possible presence of a dominant scene plane is presented. The algorithm handles scenes with (i) all points in a single plane, (ii) majority of points in a single plane and the rest off the plane, (iii) no dominant plane. It is not required to know a priori which of the cases (i) - (iii) occurs. The algorithm exploits a theorem we proved, that if five or more of seven correspondences are related by a homography then there is an epipolar geometry consistent with the seven-tuple as well as with all correspondences related by the homography. This means that a seven point sample consisting of two outliers and five inliers lying in a dominant plane produces an epipolar geometry which is completely wrong and yet consistent with a high number of correspondences. The theorem explains why RANSAC often fails to estimate epipolar geometry in the presence of a dominant plane. Rather surprisingly, t A RANSAC-based algorithm for robust estimation of epipolar geometry from point correspondences in the possible presence of a dominant scene plane is presented. The algorithm handles scenes with (i) all points in a single plane, (ii) majority of points in a single plane and the rest off the plane, (iii) no dominant plane. It is not required to know a priori which of the cases (i) - (iii) occurs. The algorithm exploits a theorem we proved, that if five or more of seven correspondences are related by a homography then there is an epipolar geometry consistent with the seven-tuple as well as with all correspondences related by the homography. This means that a seven point sample consisting of two outliers and five inliers lying in a dominant plane produces an epipolar geometry which is completely wrong and yet consistent with a high number of correspondences. The theorem explains why RANSAC often fails to estimate epipolar geometry in the presence of a dominant plane. Rather surprisingly, t
dcterms:title
Two-view Geometry Estimation Unaffected by a Dominant Plane Není k dispozici Two-view Geometry Estimation Unaffected by a Dominant Plane
skos:prefLabel
Není k dispozici Two-view Geometry Estimation Unaffected by a Dominant Plane Two-view Geometry Estimation Unaffected by a Dominant Plane
skos:notation
RIV/68407700:21230/05:03109918!RIV06-AV0-21230___
n3:strany
772 ; 780
n3:aktivita
n4:P
n3:aktivity
P(1ET101210406)
n3:dodaniDat
n16:2006
n3:domaciTvurceVysledku
n7:7004818 n7:3572471 n7:1711326
n3:druhVysledku
n21:D
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
547552
n3:idVysledku
RIV/68407700:21230/05:03109918
n3:jazykVysledku
n18:eng
n3:klicovaSlova
RANSAC; dominant plane; wide-baseline stereo
n3:klicoveSlovo
n8:RANSAC n8:dominant%20plane n8:wide-baseline%20stereo
n3:kontrolniKodProRIV
[3B8B12A81948]
n3:mistoKonaniAkce
San Diego
n3:mistoVydani
Los Alamitos
n3:nazevZdroje
Proceedings of Conference on Computer Vision and Pattern Recognition (CVPR)
n3:obor
n12:JD
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n19:1ET101210406
n3:rokUplatneniVysledku
n16:2005
n3:tvurceVysledku
Werner, Tomáš Matas, Jiří Chum, Ondřej
n3:typAkce
n20:WRD
n3:zahajeniAkce
2005-06-20+02:00
s:numberOfPages
9
n17:hasPublisher
IEEE Computer Society Press
n15:isbn
0-7695-2372-2
n5:organizacniJednotka
21230