Kelly, Daniel and Reilly Delannoy, Jane and McDonald, John and Markham, Charles
Automatic Recognition of Head Movement Gestures in Sign Language Sentences.
Proceedings of the 4th China-Ireland Information and Communications Technologies Conference.
ISSN 978 0 901519 67 2
A novel system for the recognition of head movement
gestures used to convey non-manual information in
sign language is presented. We propose a framework for
recognizing a set of head movement gestures and identifying
head movements outside of this set. Experiments show our
proposed system is capable of classifying three different head
movement gestures and identifying 15 other head movements as
movements which are outside of the training set. In this paper
we perform experiments to investigate the best feature vectors
for discriminating between positive a negative head movement
gestures and a ROC analysis of the systems classifications
performance showed an area under the curve measurement
of 0:936 for the best performing feature vector.
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