We present a robust algorithm for point tracking on deformable objects. The key elements are the use of orientation selective rank features (ranklets), local filter adaptation and dynamic model update. A multi-scale vector of ranklets is used to encode a neighbourhood of each tracked point. The shape of the filters is optimised for each neighbourhood independently. Substantial appearance variations are catered for by maintaining a stack of models for each tracked point. This enables the system to recalibrate whenever the object reverts to its original appearance.


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    Title :

    Tracking points on deformable objects with ranklets


    Contributors:
    Smeraldi, F. (author) / Del Bue, A. (author) / Agapito, L. (author)


    Publication date :

    2005-01-01


    Size :

    148086 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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