This paper presents a new method for distributed vision-aided cooperative localization and navigation for multiple autonomous platforms based on constraints stemming from the three-view geometry of a general scene. Each platform is assumed to be equipped with a standard inertial navigation system and an on-board, possibly gimbaled, camera. The platforms are also assumed to be capable of intercommunicating. No other sensors, or any a priori information is required. In contrast to the traditional approach for cooperative localization that is based on relative pose measurements, the proposed method formulates a measurement whenever the same scene is observed by different platforms. Each such measurement is constituted upon three images, which are not necessarily captured at the same time. The captured images, attached with some navigation parameters, are stored in repositories by each, or some, of the platforms in the group. A graph-based approach is applied for calculating the correlation terms between the navigation parameters associated to images participating in the same measurement. The proposed method is examined using a statistical simulation in a leader-follower scenario, and is demonstrated in an experiment that involved two vehicles in a holding pattern scenario.


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    Title :

    Distributed vision-aided cooperative localization and navigation based on three-view geometry


    Contributors:
    Indelman, V (author) / Gurfil, P (author) / Rivlin, E (author) / Rotstein, H (author)

    Published in:

    Publication date :

    2011-03-01


    Size :

    1152593 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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