Navigating virtual environments usually requires a wired interface, game console, or keyboard. The advent of perceptual interface techniques allows a new option: the passive and untethered sensing of users' pose and gesture to allow them maneuver through and manipulate virtual worlds. We describe new algorithms for interacting with 3-D environments using real-time articulated body tracking with standard cameras and personal computers. Our method is based on rigid stereo-motion estimation algorithms and uses a linear technique for enforcing articulation constraints. With our tracking system users can navigate virtual environments using 3-D gesture and body poses. We analyze the space of possible perceptual interface abstractions for full-body navigation, and present a prototype system based on these results. We finally describe an initial evaluation of our prototype system with users guiding avatars through a series of 3-D virtual game worlds.


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    Title :

    Gesture + Play Exploring Full-Body Navigation for Virtual Environments


    Contributors:
    Tollmar, K. (author) / Demirdjian, D. (author) / Darrell, T. (author)


    Publication date :

    2003-06-01


    Size :

    220300 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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