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    block this user Patrick Horain

    Associate Professor

    Institut Mines-Telecom / Telecom SudParis

    3D Hand Gesture Tracking by Model Registration

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    We address the issue of 3D hand gesture modelling given only one camera input and without body markers. A 3D articulated model of the hand is first adjusted to the user's hand morphology with respect to anthropometric constraints. Then it is registered with image sequences by minimising an error function. Several functions (edge distances, non-overlapping surface) and optimisation methods (LevenbergMarquardt, downhill simplex and Powell) are compared. Biomechanical constraints are integrated into the minimisation algorithm to force registration to realistic postures. Results on hand gesture image sequences are finally presented. Potential target applications include SNHC coding of human movements, virtual character animation, human-machine interaction and sign language recognition. 1. INTRODUCTION Gestures are a natural way of communication for people. They can also be used for humanmachine communication [1]. Datagloves are commonly used as input devices but expensive and fragile, an...

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    Title : 3D Hand Gesture Tracking by Model Registration
    Abstract : We address the issue of 3D hand gesture modelling given only one camera input and without body markers. A 3D articulated model of the hand is first adjusted to the user's hand morphology with respect to anthropometric constraints. Then it is registered with image sequences by minimising an error function. Several functions (edge distances, non-overlapping surface) and optimisation methods (LevenbergMarquardt, downhill simplex and Powell) are compared. Biomechanical constraints are integrated into the minimisation algorithm to force registration to realistic postures. Results on hand gesture image sequences are finally presented. Potential target applications include SNHC coding of human movements, virtual character animation, human-machine interaction and sign language recognition. 1. INTRODUCTION Gestures are a natural way of communication for people. They can also be used for humanmachine communication [1]. Datagloves are commonly used as input devices but expensive and fragile, an...
    Subject : unspecified
    Area : Computer Science
    Language : English
    Affiliations
    Url : http://pollux.int-evry.fr/Publications/ouhaddi/iwsnhc3di99-ouhaddi.ps.gz
    Doi : 10.1.1.46.1181

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