Motion divergence fields for dynamic hand gesture recognition
Xiaohui Shen, Gang Hua, et al.
FG 2011
The Mumford-Shah functional and related algorithms for image segmentation involve a tradeoff between a two-dimensional image structure and one-dimensional parametric curves (contours) that surround objects or distinct regions in the image. We propose an alternative functional that is independent of parameterization; it is a geometric functional given in terms of the surfaces representing the data and image in the feature space. The Γ-convergence technique is combined with the minimal surfaces theory to yield a global generalization of the Mumford-Shah segmentation function. © 2008 Springer Science+Business Media, LLC.
Xiaohui Shen, Gang Hua, et al.
FG 2011
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ASRU 2009
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