Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.image.2013.08.002
Title: Virtual camera calibration and stereo correspondence of single-lens bi-prism stereovision system using geometrical approach
Authors: Lim, K.B. 
Kee, W.L.
Wang, D.
Keywords: Correspondence
Epipolar geometry
Prism
Stereovision
Virtual camera
Issue Date: Oct-2013
Source: Lim, K.B., Kee, W.L., Wang, D. (2013-10). Virtual camera calibration and stereo correspondence of single-lens bi-prism stereovision system using geometrical approach. Signal Processing: Image Communication 28 (9) : 1059-1071. ScholarBank@NUS Repository. https://doi.org/10.1016/j.image.2013.08.002
Abstract: Abstract This paper proposes a simple geometrical ray approach to calibrate the extrinsic parameters of the virtual cameras and solve the stereo correspondence problem of the single-lens bi-prism stereovision system. Each images captured using this system can be divided into two sub-images which are generated by two virtual cameras due to the refraction through the bi-prism. This stereovision system is equivalent to the conventional two camera system and the two captured sub-images provide disparity which can be used for depth recovery. The virtual cameras will be calibrated geometrically and the correspondence problem of this system will be solved by applying epipolar geometry constraint on the generated virtual cameras instead of the real CCD camera. Experiments are conducted to validate the proposed method and the results are compared to the conventional approach to confirm its accuracy and effectiveness. © 2013 Elsevier B.V. All rights reserved.
Source Title: Signal Processing: Image Communication
URI: http://scholarbank.nus.edu.sg/handle/10635/61674
ISSN: 09235965
DOI: 10.1016/j.image.2013.08.002
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