30 December 1994 Optimal extrinsic stereo image matching based on local invariant properties
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One of the key steps of automatic digital elevation model production from aerial photos or satellite remote sensed images is introducing a robust matching algorithm. In this paper a feature-based matching method is presented. The characteristics of this algorithm are that: first, the matching input for the first matching procedure are the radiometric and geometric noise invariant properties of image patches; second, the local matching inputs are used for extrinsic optimal matching procedure (presently only for the scan line).
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Xianghui Xu and Zhimin Tan "Optimal extrinsic stereo image matching based on local invariant properties", Proc. SPIE 2315, Image and Signal Processing for Remote Sensing, (30 December 1994); doi: 10.1117/12.196782; https://doi.org/10.1117/12.196782

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