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Motion Capture from Dynamic Orthographic Cameras
KTH, Skolan för datavetenskap och kommunikation (CSC), Datorseende och robotik, CVAP.
KTH, Skolan för datavetenskap och kommunikation (CSC), Datorseende och robotik, CVAP.
KTH, Skolan för datavetenskap och kommunikation (CSC), Datorseende och robotik, CVAP.
2011 (engelsk)Inngår i: 4DMOD - 1st IEEE Workshop on Dynamic Shape Capture and Analysis, 2011Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We present an extension to the scaled orthographic camera model. It deals with dynamic cameras looking at faraway objects. The camera is allowed to change focal lengthand translate and rotate in 3D. The model we derive saysthat this motion can be treated as scaling, translation androtation in a 2D image plane. It is valid if the camera and itstarget move around in two separate regions that are smallcompared to the distance between them.We show two applications of this model to motion capture applications at large distances, i.e. outside a studio,using the affine factorization algorithm. The model is usedto motivate theoretically why the factorization can be carried out in a single batch step, when having both dynamiccameras and a dynamic object. Furthermore, the model isused to motivate how the position of the object can be reconstructed by measuring the virtual 2D motion of the cameras. For testing we use videos from a real football gameand reconstruct the 3D motion of a footballer as he scoresa goal.

sted, utgiver, år, opplag, sider
2011.
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-51110DOI: 10.1109/ICCVW.2011.6130445ISI: 000300056700231Scopus ID: 2-s2.0-84856626223OAI: oai:DiVA.org:kth-51110DiVA, id: diva2:463415
Konferanse
4DMOD - 1st IEEE Workshop on Dynamic Shape Capture and Analysis. Barcelona, Spain. 2011-11-13.
Merknad

QC 20111213

Tilgjengelig fra: 2011-12-09 Laget: 2011-12-09 Sist oppdatert: 2018-01-12bibliografisk kontrollert
Inngår i avhandling
1. Human 3D Pose Estimation in the Wild: using Geometrical Models and Pictorial Structures
Åpne denne publikasjonen i ny fane eller vindu >>Human 3D Pose Estimation in the Wild: using Geometrical Models and Pictorial Structures
2013 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Stockholm: KTH Royal Institute of Technology, 2013. s. viii, 178
Serie
Trita-CSC-A, ISSN 1653-5723 ; 2013:15
HSV kategori
Identifikatorer
urn:nbn:se:kth:diva-138136 (URN)978-91-7501-980-2 (ISBN)
Disputas
2014-01-21, F3, KTH, Lindstedtsvägen 26, Stockholm, 13:00
Opponent
Veileder
Merknad

QC 20131218

Tilgjengelig fra: 2013-12-18 Laget: 2013-12-18 Sist oppdatert: 2018-01-11bibliografisk kontrollert

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Forlagets fulltekstScopushttp://www.csc.kth.se/~burenius/Burenius4DMOD2011.pdf

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Burenius, MagnusSullivan, JosephineCarlsson, Stefan
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Totalt: 131 treff
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