Unmanned ground vehicles (UGVs) equipped with surveillance cameras present a flexible complement to the numerous stationary sensors being used in security applications today. However, to take full advantage of the flexibility and speed offered by a group of UGV platforms, a fast way to compute desired camera locations to cover an area or a set of buildings, e.g., in response to an alarm, is needed. Building upon earlier results in terrain guarding and sensor placement the authors propose a way to find candidate guard positions that satisfy a large set of view angle and range constraints simulataneously. Since the original problem is NP-complete, they do not seek to find the true optimal set of guard positions. Instead, a near optimal subset of the candidate points is chosen using a scheme with a known approximation ratio of O(log(n)). A number of examples are presented to illustrate the approach.


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    Title :

    Towards optimal positioning of surveillance UGVs


    Additional title:

    Zur optimalen Positionierung unbemannter Überwachungs-Bodenfahrzeuge


    Contributors:


    Publication date :

    2009


    Size :

    13 Seiten, 10 Bilder, 24 Quellen





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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