Calibration Method for Nonsingle Viewpoint Omnidirectional Cameras #br#
Based on Planar Quadratic Curve

doi:10.3969/j.issn.1006-2475.2015.07.013

Abstract

Abstract:

Calibration of the omnidirectional system is under the environment of single viewpoint calibration, but due to the constraint condition of single viewpoint is harsh,

the system is difficult to be accurately calibrated, so the research on the omnidirectional camera calibration problem under the nonsingle viewpoint has great value. This

paper presents a calibration method of reflector’s position and attitude for nonsingle viewpoint catadioptric omnidirectional camera based on planar quadratic curve. The

calibration process doesn’t need nonlinear iteration, can directly obtain the analytical solution of the reflector’s position and attitude parameters. Finally the paper gives

experiments with calibration, the panoramic perspective and cylindrical image to verify the calibration results, which show that the proposed calibration method is accurate and

effective, and the calculation is simple, it’s easy to implement.

Key words: calibration of omnidirectional camera, nonsingle viewpoint, catadioptric, planar quadratic curve

CLC Number:

TP391.4

HAN Xiao1， LIAO Yuefeng2. Calibration Method for Nonsingle Viewpoint Omnidirectional Cameras #br# Based on Planar Quadratic Curve[J]. Computer and Modernization, 2015, 0(7): 59-.

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Calibration Method for Nonsingle Viewpoint Omnidirectional Cameras #br# Based on Planar Quadratic Curve

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