A typical issue encountered in very high resolution (VHR) optical imagery is the undesired presence of shadows. Their compensation by means of appropriate techniques is however not always successful. In this work, we present different criteria, which aim at understanding a priori if it is possible or not to reconstruct a specific shadow area. They are based on a quantitative comparison between the histograms characterizing the shadow and non-shadow areas of the same typology of ground cover. A thorough experimental analysis performed on three different images is reported and discussed. © 2012 IEEE.
Some Criteria to Assess the Reconstructibility of Shadow Areas
Lorenzi, Luca;Melgani, Farid;
2012-01-01
Abstract
A typical issue encountered in very high resolution (VHR) optical imagery is the undesired presence of shadows. Their compensation by means of appropriate techniques is however not always successful. In this work, we present different criteria, which aim at understanding a priori if it is possible or not to reconstruct a specific shadow area. They are based on a quantitative comparison between the histograms characterizing the shadow and non-shadow areas of the same typology of ground cover. A thorough experimental analysis performed on three different images is reported and discussed. © 2012 IEEE.File in questo prodotto:
Non ci sono file associati a questo prodotto.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione
