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Variance mismatch of vector quantizers (Corresp.)

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4 Author(s)

The asymptotic performance of variance-mismatched vector quantizers is presented. It is demonstrated by both asymptotic analysis and computer simulations that well-designed vector quantizers are inherently more invulnerable to mismatch than are conventional scalar quantizers. A generalized exponential density function is considered as a statistical model of sources. As an example, the asymptotic performance is derived and applied to the memoryless Laplacian source with the squared-error distortion measure.

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Information Theory, IEEE Transactions on  (Volume:30 ,  Issue: 1 )