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Reduction of Noise Image Using LMMSE

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Author(s): Joginder Singh | R. B. Dubey

Journal: International Journal of Advanced Computer Research
ISSN 2249-7277

Volume: 2;
Issue: 5;
Start page: 147;
Date: 2012;
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Keywords: Noise reduction of image | LMMSE | wavelet transforms | optimal wavelet.

ABSTRACT
There exist various image de-noising techniques. Amongstthem orthogonal wavelet is preferred one. However, theorthogonal wavelet transform is not better technique asproper clustering of wavelet coefficients is not possible inthis technique. So a better image de-noising technique isneeded to have a better SNR and greater imageinformation. In this work, image de-noising by linearminimum mean square-error estimation (LMMSE) schemeis proposed and results show that this method outperformssome of the existing de-noising techniques.
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