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2007 IEEE Conference on Computer Vision and Pattern Recognition
A Nine-point Algorithm for Estimating Para-Catadioptric Fundamental Matrices
Minneapolis, MN, USA
June 17-June 22
ISBN: 1-4244-1179-3
Christopher Geyer, Robotics Institute, Carnegie Mellon University. cgeyer@ri.cmu.edu
Henrik Stewenius, Center for Visualization and Virtual Environments, University of Kentucky. stewe@vis.uky.edu
We present a minimal-point algorithm for finding fundamental matrices for catadioptric cameras of the parabolic type. Central catadioptric camerasan optical combination of a mirror and a lens that yields an imaging device equivalent within hemispheres to perspective cameras-have found wide application in robotics, tele-immersion and providing enhanced situational awareness for remote operation. We use an uncalibrated structure-from-motion framework developed for these cameras to consider the problem of estimating the fundamental matrix for such cameras. We present a solution that can compute the para-catadioptirc fundamental matrix with nine point correspondences, the smallest number possible. We compare this algorithm to alternatives and show some results of using the algorithm in conjunction with random sample consensus (RANSAC).
Citation:
Christopher Geyer, Henrik Stewenius, "A Nine-point Algorithm for Estimating Para-Catadioptric Fundamental Matrices," cvpr, pp.1-8, 2007 IEEE Conference on Computer Vision and Pattern Recognition, 2007
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