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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