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Title : RADIOMETRIC PROCESSING OF ADS IMAGERY: MOSAICKING OF LARGE IMAGE BLOCKS
Company : North West Geomatics
File Name : Gehrke.pdf
Size : 3149286
Type : application/pdf
Date : 04-Jun-2010

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Featured Paper by

Stephan Gehrke

Orthoimage mosaics presume radiometric adaptation of the individual images, which is referred to as relative radiometric normalization (RRN). This paper presents an in-house developed RRN approach that aims for optimal adaptation of large blocks of Leica ADS line-scanner imagery for subsequent mosaicking. It assumes orthorectified and radiometrically preprocessed input image data – with camera calibration, atmospheric and BRDF corrections applied as described in a companion paper – but still allows for the adaptation of bigger radiometric differences. The RRN model incorporates the adaptation of brightness and contrast, both varying throughout each image according to location-dependent polynomials.
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