719 search results - page 56 / 144 » On Using Silhouettes for Camera Calibration |
102
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CVPR
2012
IEEE
13 years 2 months ago
2012
IEEE
We focus on the detection of orthogonal vanishing points using line segments extracted from a single view, and using these for camera self-calibration. Recent methods view this pr...
103
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ICISP
2010
Springer
14 years 9 months ago
2010
Springer
Video surveillance applications need tools to track people trajectories. We present here a new method to extract the 3D head trajectory of a person in a room using only one calibr...
101
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WSCG
2004
15 years 1 months ago
2004
We present a system for rendering novel viewpoints from a set of calibrated and silhouette-segmented images using the visual hull together with multi-view stereo. The visual hull ...
ICPR
2008
IEEE
15 years 6 months ago
2008
IEEE
An interactive scene annotation tool for video surveillance is presented in this paper. The annotation process is divided into three stages. 1) Camera rough calibration; 2) Calibr...
111
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ACCV
2006
Springer
15 years 5 months ago
2006
Springer
Fisheye lenses are often used to enlarge the field of view (FOV) of a conventional camera. But the images taken with fisheye lenses have severe distortions. This paper proposes a...