159 search results - page 5 / 32 » On Focal Length Calibration from Two Views |
ICPR
2008
IEEE
14 years 3 months ago
2008
IEEE
In this article, we present the projective equation of a circle in a perspective view, which naturally encodes such important geometric entities as the projected circle center, th...
JMIV
2000
13 years 8 months ago
2000
Auto-calibration is the recovery of the full camera geometry and Euclidean scene structure from several images of an unknown 3D scene, using rigidity constraints and partial knowl...
CVPR
2007
IEEE
14 years 10 months ago
2007
IEEE
Most algorithms for reconstructing shape from defocus assume that the images are obtained with a camera that has been previously calibrated so that the aperture, focal plane, and ...
CVPR
2008
IEEE
14 years 10 months ago
2008
IEEE
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...
CISST
2004
13 years 10 months ago
2004
Camera calibration is an important step in obtaining 3D information from 2D images. Generally camera parameters can be obtained by using traditional methods if a calibration object...