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6th International Workshop on Pattern Recognition in Information Systems
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 signdoi:10.5220/0002471700810090 fatcat:34wlafhdazdsjfazkkyv4yt2dm