We propose a new measure, the method noise, to evaluate and compare the performance of digital image denoising methods. We first compute and analyze this method noise for a wide class of denoising algorithms, namely the local smoothing filters. Second, we propose a new algorithm, the nonlocal means (NL-means), based on a nonlocal averaging of all pixels in the image. Finally, we present some experiments comparing the NL-means algorithm and the local smoothing filters.


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    Titel :

    A non-local algorithm for image denoising


    Beteiligte:
    Buades, A. (Autor:in) / Coll, B. (Autor:in) / Morel, J.-M. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    295957 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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