Rational polynomial coefficient
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Rational Polynomial Coefficients (RPCs) provide a compact representation of a ground-to-image geometry, allowing photogrammetric processing without requiring a physical camera model.
- "The RPC model forms the co-ordinates of the image point as ratios of the cubic polynomials in the co-ordinates of the world or object space or ground point. A set of images is given to determine the set of polynomial coefficients in the RPC model to minimise the error".
- http://www.isprs.org/proceedings/XXXVII/congress/1_pdf/152.pdf RATIONAL POLYNOMIAL MODELLING FOR CARTOSAT-1 DATA (isprs.org)
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