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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F07%3A03135318%21RIV09-MSM-21230___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
It is known that the problem of multiview reconstruction can be solved in two steps: first estimate camera rotations and then translations using them. This paper presents new robust techniques for both of these steps. (i) Given pair-wise relative rotations, global camera rotations are estimated linearly in least squares. (ii) Camera translations are estimated using a standard technique based on Second Order Cone Programming. Robustness is achieved by using only a subset of points according to a new criterion that diminishes the risk of chosing a mismatch. It is shown that only four points chosen in a special way are sufficient to represent a pairwise reconstruction almost equally as all points. This leads to a significant speedup. In image sets with repetitive or similar structures, non-existent epipolar geometries may be found. Due to them, some rotations and consequently translations may be estimated incorrectly. It is known that the problem of multiview reconstruction can be solved in two steps: first estimate camera rotations and then translations using them. This paper presents new robust techniques for both of these steps. (i) Given pair-wise relative rotations, global camera rotations are estimated linearly in least squares. (ii) Camera translations are estimated using a standard technique based on Second Order Cone Programming. Robustness is achieved by using only a subset of points according to a new criterion that diminishes the risk of chosing a mismatch. It is shown that only four points chosen in a special way are sufficient to represent a pairwise reconstruction almost equally as all points. This leads to a significant speedup. In image sets with repetitive or similar structures, non-existent epipolar geometries may be found. Due to them, some rotations and consequently translations may be estimated incorrectly. It is known that the problem of multiview reconstruction can be solved in two steps: first estimate camera rotations and then translations using them. This paper presents new robust techniques for both of these steps. (i) Given pair-wise relative rotations, global camera rotations are estimated linearly in least squares. (ii) Camera translations are estimated using a standard technique based on Second Order Cone Programming. Robustness is achieved by using only a subset of points according to a new criterion that diminishes the risk of chosing a mismatch. It is shown that only four points chosen in a special way are sufficient to represent a pairwise reconstruction almost equally as all points. This leads to a significant speedup. In image sets with repetitive or similar structures, non-existent epipolar geometries may be found. Due to them, some rotations and consequently translations may be estimated incorrectly.
dcterms:title
Robust Rotation and Translation Estimation Robust Rotation and Translation Estimation Robust Rotation and Translation Estimation
skos:prefLabel
Robust Rotation and Translation Estimation Robust Rotation and Translation Estimation Robust Rotation and Translation Estimation
skos:notation
RIV/68407700:21230/07:03135318!RIV09-MSM-21230___
n3:aktivita
n15:P n15:Z
n3:aktivity
P(1ET101210406), Z(MSM6840770038)
n3:dodaniDat
n10:2009
n3:domaciTvurceVysledku
n13:8641315 n13:6245269
n3:druhVysledku
n7:D
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n6:predkladatel
n3:idSjednocenehoVysledku
448087
n3:idVysledku
RIV/68407700:21230/07:03135318
n3:jazykVysledku
n12:eng
n3:klicovaSlova
factorization; missing data; structure from motion; wide base-line stereo
n3:klicoveSlovo
n5:factorization n5:structure%20from%20motion n5:missing%20data n5:wide%20base-line%20stereo
n3:kontrolniKodProRIV
[64923E0EA03C]
n3:mistoKonaniAkce
Minneapolis
n3:mistoVydani
Los Alamitos
n3:nazevZdroje
CVPR 2007: Proceedings of the Computer Vision and Pattern Recognition conference
n3:obor
n4:JD
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n16:1ET101210406
n3:rokUplatneniVysledku
n10:2007
n3:tvurceVysledku
Pajdla, Tomáš Martinec, Daniel
n3:typAkce
n17:WRD
n3:zahajeniAkce
2007-06-18+02:00
n3:zamer
n14:MSM6840770038
s:issn
1053-587X
s:numberOfPages
8
n18:hasPublisher
IEEE Computer Society
n22:isbn
1-4244-1180-7
n21:organizacniJednotka
21230