The fusion of multiple computer aided detection/computer aided classification (CAD/CAC) algorithms has been shown to be effective in reducing the false alarm rate associated with the automated classification of bottom mine-like objects when applied to side-scan sonar images taken in the littoral environment. Real-time operation of the CAD/CAC fusion algorithms from Raytheon, Lockheed Martin, and NSWC Coastal Systems Station (CSS) on board an unmanned underwater vehicle has recently been successfully demonstrated as part of a littoral test sponsored by the Office of Naval Research (ONR) in 2002. Test results proved that the fusion reliably classified bottom mine-like objects while significantly reducing the false alarm rate relative to that of a single CAD/CAC algorithm. This paper discusses the hardware and software architecture for the real-time implementation of the CAD/CAC algorithms, and presents the real-time performance results obtained during the experiment. Additional post processing performance results are also discussed for alternate fusion approaches, and the overall performance benefit through a significant reduction of false alarms at high correct classification probabilities is quantified.


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    Title :

    Real-time performance of fusion algorithms for computer aided detection and classification of bottom mines in the littoral environment


    Contributors:
    Ciany, C.M. (author) / Zurawski, W.C. (author) / Dobeck, G.J. (author) / Weilert, D.R. (author)


    Publication date :

    2003


    Size :

    7 Seiten, 16 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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