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Fig 3 - Recognizing Visual Focus of Attention From Head Pose in Natural Meetings

Fig. 3. (a) training head pose appearance range. Pan and tilt angles range respectively from-90 • to 90 • and-60 • to 60 • by 15 • steps. (b) and (c) tracking features. texture features from Gaussian and Gabor filters b) and skin color binary mask c). 
(a) training head pose appearance range. Pan and tilt angles range respectively from-90 • to 90 • and-60 • to 60 • by 15 • steps. (b) and (c) tracking features. texture features from Gaussian and Gabor filters b) and skin color binary mask c). 
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