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    Linguistically-driven framework for computationally efficient and scalable sign recognition

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    Date Issued
    2018
    Author(s)
    Metaxas, Dimitris N.
    Dilsizian, Mark
    Neidle, Carol
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    Permanent Link
    https://hdl.handle.net/2144/30048
    Citation (published version)
    Dimitris N Metaxas, Mark Dilsizian, Carol Neidle. 2018. "Linguistically-driven Framework for Computationally Efficient and Scalable Sign Recognition.." Proceedings of the Eleventh International Conference on Language Resources and Evaluation (LREC 2018)
    Abstract
    We introduce a new general framework for sign recognition from monocular video using limited quantities of annotated data. The novelty of the hybrid framework we describe here is that we exploit state-of-the art learning methods while also incorporating features based on what we know about the linguistic composition of lexical signs. In particular, we analyze hand shape, orientation, location, and motion trajectories, and then use CRFs to combine this linguistically significant information for purposes of sign recognition. Our robust modeling and recognition of these sub-components of sign production allow an efficient parameterization of the sign recognition problem as compared with purely data-driven methods. This parameterization enables a scalable and extendable time-series learning approach that advances the state of the art in sign recognition, as shown by the results reported here for recognition of isolated, citation-form, lexical signs from American Sign Language (ASL).
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    • CAS: Linguistics: Scholarly Papers [51]


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