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ICPR
2000
IEEE
15 years 8 months ago
Self-Calibration of Zooming Cameras Observing an Unknown Planar Structure
In this paper, we propose a new self-calibration technique for cameras with changing zoom observing only a planar structure. The method does not need any metric or topologic knowl...
Ezio Malis, Roberto Cipolla
121
Voted
ASSETS
2007
ACM
15 years 7 months ago
Accessible spaces: navigating through a marked environment with a camera phone
We demonstrate a system designed to assist a visually impaired individual while moving in an unfamiliar environment. Small and economical color markers are placed in key locations...
Kee-Yip Chan, Roberto Manduchi, James Coughlan
130
Voted
IJIG
2008
222views more  IJIG 2008»
15 years 3 months ago
An Analytical Solution to the Perspective-n-Point Problem for Common Planar Camera and for Catadioptric Sensor
The Perspective-N-Point problem (PNP) is a notable problem in computer vision. It consists in, given N points known in an object coordinate space and their projection onto the ima...
Jonathan Fabrizio, Jean Devars
158
Voted
TCSV
2011
14 years 10 months ago
Background Compensation for Pan-Tilt-Zoom Cameras Using 1-D Feature Matching and Outlier Rejection
This paper proposes an efficient and robust background compensation method for pan-tilt-zoom cameras. The proposed method approximates the relation between consecutive images to a...
Jae Kyu Suhr, Ho Gi Jung, Gen Li, Seung-In Noh, Ja...
ICCV
2003
IEEE
16 years 5 months ago
Mirrors in motion: Epipolar geometry and motion estimation
In this paper we consider the images taken from pairs of parabolic catadioptric cameras separated by discrete motions. Despite the nonlinearity of the projection model, the epipol...
Christopher Geyer, Kostas Daniilidis