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http://dx.doi.org/10.7780/kjrs.2005.21.2.135

Computation of 3D Coordinates from Stereo Images with RPCs  

Kim Kwang-Eun (Korea Institute of Geoscience and Mineral Resources)
Publication Information
Korean Journal of Remote Sensing / v.21, no.2, 2005 , pp. 135-143 More about this Journal
Abstract
RPC(Rational Polynomial Camera) models have become the replacement model of choice for a number of high resolution satellite imagery providers. RPCs(Rational Polynomial Coefficients) provide a compact accurate representation of the ground to image geometry, allowing users to perform full photogrammetric processing of satellite imagery including block adjustment, 3D feature extraction and orthorectification. This paper presents an algorithm for 3D feature extraction using downhill simpler method which requires only function evaluations, not derivatives. The algorithm was implemented as an executable software program and tested using stereo IKONOS images of Seoul city. The results showed that the proposed algorithm was fast and accurate enough to be used as a practical method for the 3D feature extraction from stereo images with RPCs.
Keywords
Stereo Imagery; RPC; 3D Feature Extraction; Downhill Simplex;
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