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Authors: Thomas J. Castelli ; Margrit Betke and Carol Neidle

Affiliation: Boston University, United States

Abstract: Facial features play an important role in expressing grammatical information in signed languages, including American Sign Language (ASL). Gestures such as raising or furrowing the eyebrows are key indicators of constructions such as yes-no questions. Periodic head movements (nods and shakes) are also an essential part of the expression of syntactic information, such as negation (associated with a side-to-side headshake). Therefore, identification of these facial gestures is essential to sign language recognition. One problem with detection of such grammatical indicators is occlusion recovery. If the signer’s hand blocks his/her eyebrows during production of a sign, it becomes difficult to track the eyebrows. We have developed a system to detect such grammatical markers in ASL that recovers promptly from occlusion. Our system detects and tracks evolving templates of facial features, which are based on an anthropometric face model, and interprets the geometric relationships of these t emplates to identify grammatical markers. It was tested on a variety of ASL sentences signed by various Deaf 1 native signers and detected facial gestures used to express grammatical information, such as raised and furrowed eyebrows as well as headshakes. (More)

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Paper citation in several formats:
J. Castelli, T.; Betke, M. and Neidle, C. (2006). Facial Feature Tracking and Occlusion Recovery in American Sign Language. In 6th International Workshop on Pattern Recognition in Information Systems (ICEIS 2006) - PRIS; ISBN 978-972-8865-55-9, SciTePress, pages 81-90. DOI: 10.5220/0002471700810090

@conference{pris06,
author={Thomas {J. Castelli}. and Margrit Betke. and Carol Neidle.},
title={Facial Feature Tracking and Occlusion Recovery in American Sign Language},
booktitle={6th International Workshop on Pattern Recognition in Information Systems (ICEIS 2006) - PRIS},
year={2006},
pages={81-90},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002471700810090},
isbn={978-972-8865-55-9},
}

TY - CONF

JO - 6th International Workshop on Pattern Recognition in Information Systems (ICEIS 2006) - PRIS
TI - Facial Feature Tracking and Occlusion Recovery in American Sign Language
SN - 978-972-8865-55-9
AU - J. Castelli, T.
AU - Betke, M.
AU - Neidle, C.
PY - 2006
SP - 81
EP - 90
DO - 10.5220/0002471700810090
PB - SciTePress

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