The original publication is available at www.springerlink.com ; An autonomous mobile robot must face the correspondence or data association problem in order to carry out tasks like place recognition or unknown environment mapping. In order to put into correspondence two maps, most correspondence methods first extract early features from robot sensor data, then matches between features are searched and finally the transformation that relates the maps is estimated from such matches. However, finding explicit matches between features is a challenging and computationally expensive task. In this paper, we propose a new method to align obstacle maps without searching explicit matches between features. The maps are obtained from a stereo pair. Then, we use a vocabulary tree approach to identify putative corresponding maps followed by a Newton minimization algorithm to find the transformation that relates both maps. The proposed method is evaluated on a typical office dataset showing good performance. ; This work has been partially funded by TIN 2006-15308- C02-02 project grant of the Ministry of Education of Spain, the CSD2007-00018 Consolider Ingenio 2010, the FI grant and the BE grant from the AGAUR, the European Social Fund, the 2005/SGR/00093 project, supported by the Generalitat de Catalunya, the MIDCBR project grant TIN 200615140C0301, TIN 200615308C0202 and FEDER funds. ; Peer reviewed


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    Title :

    Visual Registration Method for a Low Cost Robot


    Contributors:

    Publication date :

    2009-01-01


    Remarks:

    doi:10.1007/978-3-642-04667-4_21



    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :

    DDC:    629




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