825 search results - page 4 / 165 » Coordinate-Free Camera Calibration |
ICCV
2007
IEEE
14 years 9 months ago
2007
IEEE
Online camera recalibration is necessary for long-term deployment of computer vision systems. Existing algorithms assume that the source of recalibration information is a set of f...
ICPR
2000
IEEE
14 years 8 months ago
2000
IEEE
Thispaperpresents a simple and eficient method of calibrating the intrinsic camera parameters for all the lens settings of a motorized zoom lens. Wefuthe aperture setting and perf...
CVPR
2005
IEEE
14 years 9 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...
ICMCS
2005
IEEE
14 years 1 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...
AVSS
2006
IEEE
14 years 1 months ago
2006
IEEE
PTZ (Pan-Tilt-Zoom) cameras are widely used for large-area video surveillance. For many visual tracking and video analysis tasks, an accurate camera calibration is very important....