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http://dx.doi.org/10.11108/kagis.2014.17.4.156

Epipolar Resampling from Kompsat-2 and Kompsat-3  

Song, Jeong-Heon (Satellite Information Research Laboratory, Korea Aerospace Research Institute)
Oh, Jae-Hong (Dept. of Civil Engineering, Chonnam National University)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.17, no.4, 2014 , pp. 156-166 More about this Journal
Abstract
As of 2014, KARI (Korea Aerospace Research Institute) operates two high-resolution satellites such as Kompsat-2 and Kompsat-3. Kompsat-3 has capability of in-track stereo images acquisition but it is quite limited because the stereo mode lowers the spatial coverage in a trajectory. In this paper we analyze the epipolar geometry from the heterogeneous Kompsat-2 and Kompsat-3 image combination to epipolar resample them for 3D spatial data acquisition. The analysis was carried out using the piecewise approach with RPCs (Rational Polynomial Coefficients) and the result showed the parabolic epipolar curve pattern. We also concluded that the third order polynomial transformation is required for epipolar image resampling. The resampled image pair showed 1 pixel level of y-parallax and can be used for 3D display and digitizing.
Keywords
Kompsat-2; Kompsat-3; Stereo; Epipolar; RPCs; Resampling; Parallax;
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Times Cited By KSCI : 4  (Citation Analysis)
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