64 search results - page 2 / 13 » Paracatadioptric Camera Calibration Using Lines |
CVPR
2005
IEEE
14 years 11 months ago
2005
IEEE
In this paper, we describe how camera parameters and light source orientation can be recovered from two perspective views of a scene given only two vertical lines and their cast s...
IJIT
2004
13 years 11 months ago
2004
Camera calibration plays an important role in the domain of the analysis of sports video. Considering soccer video, in most cases, the cross-points can be used for calibration at t...
ICCV
2007
IEEE
13 years 11 months ago
2007
IEEE
We present a novel calibration method for off-axis catadioptric cameras, i.e. standard perspective cameras placed in a generic position w.r.t. an axial-symmetric mirror of unknown...
ICMCS
2005
IEEE
14 years 3 months ago
2005
IEEE
Semantic analysis of sport sequences requires camera calibration to obtain player and ball positions in real-world coordinates. For court sports like tennis, the marker lines on t...
ICRA
2005
IEEE
14 years 3 months ago
2005
IEEE
— To close the loop between motion and vision, tracked visual features must remain in the camera field of view (visibility constraint). To overcome the visibility constraint, vi...