An Epipolar Rectification for Object Segmentation 


Vol. 29,  No. 1, pp. 83-91, Jan.  2004


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  Abstract

An epipolar rectification is the process of transforming the epipolar geometry of a pair of images into a canonical form. This is accomplished by applying a homography to each image that maps the epipole to a predetermined point. In this process, rectified images transformed by homographies must be satisfied with the epipolar constraint. These homographies are not unique, however, we find out homographies that are suited to system's purpose by means of an additive constraint. Since the rectified image pair be a stereo image pair, we are able to find the disparity efficiently. Therefore, we are able to estimate the three-dimensional information of objects within an image and apply this information to object segmentation. This paper proposes a rectification method for object segmentation and applies the rectification result to the object segmentation. Using color and relative continuity of disparity for the object segmentation, the drawbacks of previous segmentation method, which are that the object is segmented to several region because of having different color information or another object is merged into one because of having similar color information, are complemented. Experimental result shows that the disparity of result image of proposed rectification method have continuity about unique object. Therefore we have confirmed that our rectification method is suitable to the object segmentation.

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  Cite this article

[IEEE Style]

S. Jeong, S. Kang, J. Cho, B. Choi, "An Epipolar Rectification for Object Segmentation," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 1, pp. 83-91, 2004. DOI: .

[ACM Style]

Seung-Do Jeong, Sung-Suk Kang, Jung-Won Cho, and Byung-Uk Choi. 2004. An Epipolar Rectification for Object Segmentation. The Journal of Korean Institute of Communications and Information Sciences, 29, 1, (2004), 83-91. DOI: .

[KICS Style]

Seung-Do Jeong, Sung-Suk Kang, Jung-Won Cho, Byung-Uk Choi, "An Epipolar Rectification for Object Segmentation," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 1, pp. 83-91, 1. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880