Extraction of mid-level semantics from gesture videos using a Bayesian network
by Dimitrios I. Kosmopoulos, Ilias G. Maglogiannis
International Journal of Intelligent Systems Technologies and Applications (IJISTA), Vol. 1, No. 3/4, 2006

Abstract: A method for extraction of mid-level semantics from sign language videos is proposed, by employing high level domain knowledge. The semantics concern labelling of the depicted head and hands as well as the occlusion events, which are essential for interpretation and for higher level semantic indexing. A Bayesian network is employed to bridge in a probabilistic fashion the gap between the high level knowledge about the valid spatiotemporal configurations of the human body and the extractor. The approach is applied here in sign language videos, but it can be generalised to any case, where semantically rich information can be derived from gesture.

Online publication date: Thu, 01-Jun-2006

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