This paper proposes using a backpropagation (BP) neural network for the classification of ship targets in airborne synthetic aperture radar (SAR) imagery. The ship targets consisted of 2 destroyers, 2 cruisers, 2 aircraft carriers, a frigate and a supply ship. A SAR image simulator was employed to generate a training set, a validation set, and a test set for the BP classifier. The features required for classification were extracted from the SAR imagery using three different methods. The first method used a reduced resolution version of the whole SAR image as input to the BP classifier using simple averaging. The other two methods used the SAR image range profile either before or after a local-statistics noise filtering algorithm for speckle reduction. Performance on an extensive test set demonstrated the performance and computational advantages of applying the neural classification approach to targets in airborne SAR imagery. Improvements due to the use of multi-resolution features were also observed.


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    Titel :

    Classification of ships in airborne SAR imagery using backpropagation neural networks


    Beteiligte:
    Osman, Hossam M. (Autor:in) / Pan, Li (Autor:in) / Blostein, Steven D. (Autor:in) / Gagnon, Langis (Autor:in)

    Kongress:

    Radar Processing, Technology, and Applications II ; 1997 ; San Diego,CA,United States


    Erschienen in:

    Erscheinungsdatum :

    1997-09-24





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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