About: 3D reconstruction from image collections with a single known focal length

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this paper we aim at reconstructing 3D scenes from images with unknown focal lengths downloaded from photosharing websites such as Flickr. First we provide a minimal solution to finding the relative pose between a completely calibrated camera and a camera with an unknown focal length given six point correspondences. We show that this problem has up to nine solutions in general and present two efficient solvers to the problem. They are based on Groebner basis, resp. on generalized eigenvalues, computation. We demonstrate by experiments with synthetic and real data that both solvers are correct, fast, numerically stable and work well even in some situations when the classical 6-point algorithm fails, e.g. when optical axes of the cameras are parallel or intersecting. Based on this solution we present a new efficient method for large-scale structure from motion from unordered data sets downloaded from the Internet. We show that this method can be effectively used to reconstruct 3D scen In this paper we aim at reconstructing 3D scenes from images with unknown focal lengths downloaded from photosharing websites such as Flickr. First we provide a minimal solution to finding the relative pose between a completely calibrated camera and a camera with an unknown focal length given six point correspondences. We show that this problem has up to nine solutions in general and present two efficient solvers to the problem. They are based on Groebner basis, resp. on generalized eigenvalues, computation. We demonstrate by experiments with synthetic and real data that both solvers are correct, fast, numerically stable and work well even in some situations when the classical 6-point algorithm fails, e.g. when optical axes of the cameras are parallel or intersecting. Based on this solution we present a new efficient method for large-scale structure from motion from unordered data sets downloaded from the Internet. We show that this method can be effectively used to reconstruct 3D scen (en)
Title	3D reconstruction from image collections with a single known focal length 3D reconstruction from image collections with a single known focal length (en)
skos:prefLabel	3D reconstruction from image collections with a single known focal length 3D reconstruction from image collections with a single known focal length (en)
skos:notation	RIV/68407700:21230/09:00163114!RIV12-MSM-21230___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(7E09062), Z(MSM6840770038)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Pajdla, Tomáš Bujňák, Martin Kúkelová, Zuzana
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	353910
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/09:00163114
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	3D reconstruction; minimal problem; epipolar geometry (en)
http://linked.open.../riv/klicoveSlovo	epipolar geometry 3D reconstruction minimal problem
http://linked.open...ontrolniKodProRIV	[5AADF8F4DC14]
http://linked.open...v/mistoKonaniAkce	Kyoto
http://linked.open...i/riv/mistoVydani	Los Alamitos
http://linked.open...i/riv/nazevZdroje	2009 IEEE 12th International Conference on Computer Vision
http://linked.open...in/vavai/riv/obor	JD
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Planetary Robotics Vision Ground Processing
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Bujňák, Martin Kúkelová, Zuzana Pajdla, Tomáš
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000294955300232
http://linked.open.../riv/zahajeniAkce	2009-09-29 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Decision Making and Control for Manufacturing III
issn	1550-5499
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	IEEE Computer Society Press
https://schema.org/isbn	978-1-4244-4419-9
http://localhost/t...ganizacniJednotka	21230
is http://linked.open...avai/riv/vysledek of	3D reconstruction from image collections with a single known focal length 3D reconstruction from image collections with a single known focal length

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