Human speech is inherently multi-modal, consisting of both audio and visual components. Recently researchers have shown that the incorporation of information about the position of the lips into acoustic speech recognisers enables robust recognition of noisy speech. In the case of Hidden Markov Model-recognition, we show that this happens because the visual signal stabilises the alignment of states. It is also shown, that unadorned lips, both the inner and outer contours, can be robustly tracked in real time on general-purpose workstations. To accomplish this, efficient algorithms are employed which contain three key components: shape models, motion models, and focused colour feature detectors-all of which are learnt from examples.


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    Title :

    Accurate, real-time, unadorned lip tracking


    Contributors:
    Kaucic, R. (author) / Blake, A. (author)


    Publication date :

    1998-01-01


    Size :

    792676 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



    Accurate, Real-Time, Unadorned Lip Tracking

    Kaucic, R. / Blake, A. / IEEE; Computer Society | British Library Conference Proceedings | 1998



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