The application of epipolar line in matching of linear CCD remote sensing images

DanChao Gong; JunFeng Yang; Li Zhang; Gang Chen; ShiZhong Li

doi:10.1117/12.814898

29 December 2008 The application of epipolar line in matching of linear CCD remote sensing images

DanChao Gong, JunFeng Yang, Li Zhang, Gang Chen, ShiZhong Li

Proceedings Volume 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA); 728542 (2008) https://doi.org/10.1117/12.814898
Event: International Conference on Earth Observation Data Processing and Analysis, 2008, Wuhan, China

Abstract

Because of the unique geometry and radiometric characteristics of linear CCD satellite image pairs, methods developed for aerial or perspective image pairs cannot be applied. This paper proposed stereo matching algorithms taking the epipolar line of linear pushbroom sensors and scene geometry into account for satellite images. Firstly, the author puts forward the approximate line constraint method of dynamic epipolar line, and sets up constraint conditions of epipolar line in linear CCD stereo image matching, and proposes an imaging constraint method on the basis of application analysis of epipolar line, with imaging characteristics taken into account. The method can eliminate the distortion of geometry and make the primitives more prominent. At last we assess the performance of our strategy using real satellite image data. The results show we can increase the accuracy of image match and minimize the computation time with these techniques.

Citation Download Citation

DanChao Gong, JunFeng Yang, Li Zhang, Gang Chen, and ShiZhong Li "The application of epipolar line in matching of linear CCD remote sensing images", Proc. SPIE 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA), 728542 (29 December 2008); https://doi.org/10.1117/12.814898

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KEYWORDS

Charge-coupled devices

Satellite imaging

Satellites

Earth observing sensors

Image processing

Remote sensing

CCD image sensors

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