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CVPR
2009
IEEE
15 years 4 months ago
Single-Image Optical Center Estimation from Vignetting and Tangential Gradient Symmetry
In this paper, we propose a method for estimating the optical center of a camera given only a single image with vignetting. This is accomplished by identifying the center of the...
Yuanjie Zheng (University Of Delaware), Chandra Ka...
CVPR
1998
IEEE
14 years 11 months ago
Performance Characterization and Comparison of Video Indexing Algorithms
Temporal segmentation of video is a necessary rst step to indexing digital video for browsing and retrieval. A number of di erent video temporal segmentation algorithms have been ...
Ullas Gargi, Rangachar Kasturi, Sameer Antani
CVPR
2004
IEEE
14 years 11 months ago
Thermal Face Recognition in an Operational Scenario
We present results on the latest advances in thermal infrared face recognition, and its use in combination with visible imagery. Previous research has shown high performance under...
Diego A. Socolinsky, Andrea Selinger
CVPR
2008
IEEE
14 years 11 months ago
Toward automatic 3D modeling of scenes using a generic camera model
The automatic reconstruction of 3D models from image sequences is still a very active field of research. All existing methods are designed for a given camera model, and a new (and...
Maxime Lhuillier
ICPR
2008
IEEE
14 years 10 months ago
Robust auto-calibration of a PTZ camera with non-overlapping FOV
We consider the problem of auto-calibration of cameras, which are fixed in location but are free to rotate while changing their internal parameters by zooming. Our method is based...
Hassan Foroosh, Nazim Ashraf