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Freight traffic surveillance in VHR SAR images by multiscale information extraction

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3 Author(s)
Francesca Bovolo ; Department of Information Engineering and Computer Science, University of Trento, Via Sommarive, 14 I-38123, Povo, Italy ; Carlo Marin ; Lorenzo Bruzzone

This paper proposes an approach for freight traffic surveillance by using very high geometrical resolution SAR images. The approach takes advantage of 3 concepts: i) multiscale representation for a preliminary detection of areas showing significant changes in backscattering between the two images (hot spots); ii) exploitation of prior information about typical usage of zones of interest in the area under control; and iii) definition of features and change detectors optimized for an effective detection of specific changes in each zone of interest. In order to illustrate the effectiveness of the proposed approach, two data sets that defines a freight traffic surveillance problem were considered. Each of them is made up of a pair of multitemporal VHR SAR images acquired by the COSMO-SkyMed constellation in spotlight mode. Experimental results point out the effectiveness of the proposed approach.

Published in:

Advances in Radar and Remote Sensing (TyWRRS), 2012 Tyrrhenian Workshop on

Date of Conference:

12-14 Sept. 2012