TNTmips

Orthorectification Using Rational Polynomials

You can orthorectify certain types of satellite images that are supplied with a mathematical model of the image geometry in the form of a set of rational polynomial coefficients. This procedure also requires a digital elevation model. You can often improve the fit of the rational polynomial model to a particular image by regeoreferencing the image using accurate 3D ground control points.

About Rational Polynomial Models
Acquiring a DEM
Elevation Units and Reference Surfaces
Obtaining the Geoid Height

Regeoreferencing the Image
Georeference with RPC Model
Control Points from GPS Survey
Evaluating Control Points

	PDF Release Version (file date: Thursday, 31-Aug-2006 12:09:56 CDT)
	Pagemaker 6.5 format
	Sample Data needed for the tutorial exercises: ljmesa.rvc, rcportho.rvc

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9 May 2008
page update: 24 Aug 07

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