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CVPR
2008
IEEE
14 years 10 months ago
A general solution to the P4P problem for camera with unknown focal length
This paper presents a general solution to the determination of the pose of a perspective camera with unknown focal length from images of four 3D reference points. Our problem is a...
Martin Bujnak, Tomás Pajdla, Zuzana Kukelov...
ICCV
2009
IEEE
15 years 1 months ago
3D reconstruction from image collections with a single known focal length
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...
Martin Bujnak, Zuzana Kukelova, Tomas Pajdla
CVPR
2005
IEEE
14 years 10 months ago
A Minimal Solution for Relative Pose with Unknown Focal Length
Assume that we have two perspective images with known intrinsic parameters except for an unknown common focal length. It is a minimally constrained problem to find the relative or...
Henrik Stewénius, David Nistér, Fred...
CVPR
2007
IEEE
14 years 10 months ago
On Constant Focal Length Self-Calibration From Multiple Views
We investigate the problem of finding the metric structure of a general 3D scene viewed by a moving camera with square pixels and constant unknown focal length. While the problem ...
Adrien Bartoli, Alain Crouzil, Benoît Bocqui...
CVPR
2009
IEEE
15 years 3 months ago
Pose Estimation with Radial Distortion and Unknown Focal Length
This paper presents a solution to the problem of pose estimation in the presence of heavy radial distortion and a potentially large number of outliers. The main contribution is ...
Klas Josephson, Martin Byröd