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Local Binary Pattern based features for sign language recognition

Published: 01 October 2012 Publication History

Abstract

In this paper we focus on appearance features particularly the Local Binary Patterns describing the manual component of Sign Language. We compare the performance of these features with geometric moments describing the trajectory and shape of hands. Since the non-manual component is also very important for sign recognition we localize facial landmarks via Active Shape Model combined with Landmark detector that increases the robustness of model fitting. We test the recognition performance of individual features and their combinations on a database consisting of 11 signers and 23 signs with several repetitions. Local Binary Patterns outperform the geometric moments. When the features are combined we achieve a recognition rate up to 99.75% for signer dependent tests and 57.54% for signer independent tests.

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  1. Local Binary Pattern based features for sign language recognition

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    cover image Pattern Recognition and Image Analysis
    Pattern Recognition and Image Analysis  Volume 22, Issue 4
    October 2012
    104 pages

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    Springer-Verlag

    Berlin, Heidelberg

    Publication History

    Published: 01 October 2012

    Author Tags

    1. local binary pattern
    2. sign language
    3. sign language recognition

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