A system for feature extraction and recognition of lip postures is presented, by constructing a shape model of the inner and outer contours of the lips, whose parameters are controlled by a canonical genetic algorithm. Features of each posture are the model parameters which better fit to the the analyzed image. A Bayesian Classifier is used to classify, under the assumption that there is equiprobability between the classes, obtaining results up to 82,4% of accurate classification.
Variational Shape Model for Lip Postures Recognition Using GA
2006-09-01
229211 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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