137 search results - page 23 / 28 » General Imaging Geometry for Central Catadioptric Cameras |
ICCV
2001
IEEE
14 years 9 months ago
2001
IEEE
We describe a novel viewpoint-lighting ambiguity which we call the KGBR. This ambiguity assumes orthographic projection or an affine camera, and uses Lambertian reflectance functi...
ECCV
2004
Springer
14 years 9 months ago
2004
Springer
Abstract. The shapes of many natural and man-made objects have curved contours. The images of such contours usually do not have sufficient distinctive features to apply conventiona...
ICCV
2011
IEEE
12 years 7 months ago
2011
IEEE
Images taken from scenes under water suffer distortion due to refraction. While refraction causes magnification with mild distortion on the observed images, severe distortions in...
VRST
2005
ACM
14 years 1 months ago
2005
ACM
Much work has been done on the development of laser pointers as interaction devices. Typically a camera captures images of a display surface and extracts a laser pointer dot locat...
MM
2006
ACM
14 years 1 months ago
2006
ACM
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...