156 search results - page 3 / 32 » Automatic Camera Calibration from a Single Manhattan Image |
AVSS
2007
IEEE
15 years 6 months ago
2007
IEEE
Perspective deformations on the image plane make the analysis of object behaviors difficult in surveillance video. In this paper, we improve the results of trajectory-based scene...
130
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CVPR
2012
IEEE
13 years 2 months ago
2012
IEEE
The projections of world parallel lines in an image intersect at a single point called the vanishing point (VP). VPs are a key ingredient for various vision tasks including rotati...
129
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VR
2007
IEEE
15 years 6 months ago
2007
IEEE
Augmented Virtual Environments (AVE) are very effective in the application of surveillance, in which multiple video streams are projected onto a 3D urban model for better visualiz...
WACV
2008
IEEE
15 years 6 months ago
2008
IEEE
Automating tools for geo-locating and geo-orienting static cameras is a key step in creating a useful global imaging network from cameras attached to the Internet. We present algo...
ECCV
2008
Springer
16 years 1 months ago
2008
Springer
This paper introduces a novel method for recovering both the light directions and camera poses from a single sphere. Traditional methods for estimating light directions using spher...