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Vanishing distortion and shrinking cells

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1 Author(s)
Nobel, A.B. ; Dept. of Stat., North Carolina Univ., Chapel Hill, NC, USA

We establish an asymptotic connection between vanishing rth-power distortion and shrinking cell diameters for vector quantizers with convex cells. As a consequence, a number of shrinking cell conditions may be easily verified by showing that the quantizers in question have distortion tending to zero. This also plays an important role in the asymptotic analysis of a common greedy growing scheme for tree-structured vector quantizers

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Information Theory, IEEE Transactions on  (Volume:42 ,  Issue: 4 )