NDLI: A Practical Calibration Method for Multiple Cameras

Content Provider	IEEE Xplore Digital Library
Author	Liuxin Zhang Bin Li Yunde Jia
Copyright Year	2007
Description	Author affiliation: Beijing Inst. of Technol., Beijing (Liuxin Zhang; Bin Li; Yunde Jia)
Abstract	In this paper, we propose a practical factorization- and-position based method for multiple cameras calibration. The method yields a simple calibration means for an arbitrary number of linear projective cameras while maintaining the handiness and flexibility of the original method. A freely moving planar pattern as a calibration object at a few different orientations is only required. All the cameras do not have to see this pattern at all orientations, and only reasonable overlap between camera subgroups is necessary. We divide these cameras into groups according to their positions and orientations first, and then calibrate each camera in the world coordinate system of its own group via a factorization-based method. Common view fields of planar pattern are used to estimate the Euclidean transformation between these world coordinate systems and represent all cameras in a same world coordinate system. Both the intrinsic and extrinsic parameters of cameras can be obtained in a uniform world coordinate system of accuracy to within a pixel.
Starting Page	45
Ending Page	50
File Size	648949
Page Count	6
File Format	PDF
ISBN	0769529291
DOI	10.1109/ICIG.2007.59
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Charge coupled devices Computer vision Digital signal processing chips Head Computer graphics CMOS image sensors Cameras Calibration Stereo vision Charge-coupled image sensors
Content Type	Text
Resource Type	Article

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