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In this paper, we address the problem of face tracking across illumination changes and occlusions. The method is based on leveraging the strengths of both Adaboost to deal with clutter and the image based parametric illumination model proposed by Kale and Jaynes. We show that a simple non-linear transformation of the Adaboost score multiplied with the illumination compensated likelihood leads to a...
In this paper, we propose a fast method to recognize human actions which accounts for intra-class variability in the way an action is performed. We propose the use of a low dimensional feature vector which consists of (a) the projections of the width profile of the actor on to an ldquoaction basisrdquo and (b) simple spatio-temporal features. The action basis is built using eigenanalysis of walking...
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