Journal of the Optical Society of Korea

Optical Society of Korea (한국광학회)
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Vergence Control of Binocular Stereoscopic Camera Using Disparity Information

  • Kwon, Ki-Chul (College of Electrical and Computer Engineering, Chungbuk National University) ;
  • Lim, Young-Tae (College of Electrical and Computer Engineering, Chungbuk National University) ;
  • Kim, Nam (College of Electrical and Computer Engineering, Chungbuk National University) ;
  • Song, Young-Jun (BITRC, Chungbuk National University) ;
  • Choi, Young-Soo (Korea Atomic Energy Research Institute)
  • Received : 2009.04.22
  • Accepted : 2009.06.22
  • Published : 2009.09.25
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Abstract

The vergence control of binocular stereoscopic camera is the most essential factor for acquiring high quality stereoscopic images. In this paper, we proposed a binocular stereoscopic camera vergence control method using disparity information by the simple image processing and estimate the quantity of vergence control using the Lagrange interpolation equation. The method of extracting disparity information through image processing is as follows: first the key-object in left & right images was extracted through labeling of the central area of the image, and then a simple method was used for calculating the disparity value of the same key-object in the labeled left and right images. The vergence control method uses disparity information and keeps the convergence distance of left & right cameras and the distance of the key-object the same. According to the proposed method, variance in the distance of the key-object and application of calculated disparity information of obtained left & right images to the quadratic Lagrange interpolation equation could estimate the quantity of vergence control, which confirmed that the method of stereoscopic camera vergence control can be simplified through experiments on various key-objects and other convergence distance.

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References

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