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A family of statistical symmetric divergences based on Jensen's inequality

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arxiv 1009.4004 v2 pith:JDJBD7TR submitted 2010-09-21 cs.CV cs.ITmath.IT

classification cs.CVcs.ITmath.IT
keywords familydivergencecentroidgeneratorinequalityjeffreysjensenjensen-shannon
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We introduce a novel parametric family of symmetric information-theoretic distances based on Jensen's inequality for a convex functional generator. In particular, this family unifies the celebrated Jeffreys divergence with the Jensen-Shannon divergence when the Shannon entropy generator is chosen. We then design a generic algorithm to compute the unique centroid defined as the minimum average divergence. This yields a smooth family of centroids linking the Jeffreys to the Jensen-Shannon centroid. Finally, we report on our experimental results.

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Cited by 2 Pith papers

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