MMSE nonlocal means denoising algorithm for Poisson noise removal

Chul Lee, Chulwoo Lee, Chang-Su Kim

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    5 Citations (Scopus)

    Abstract

    A nonlocal minimum mean square error (MMSE) image denoising algorithm to remove Poisson noise is proposed in this work. Based on the Bayesian estimation theory, we first derive the nonlocal MMSE denoising filter, which can minimize the mean square error (MSE) of a denoised block. Then, we develop an approximation of the filter for practical implementation. Simulation results show that the proposed algorithm provides significantly better denoising performance than the conventional nonlocal means filter and its recent extension for Poisson noise.

    Original languageEnglish
    Title of host publicationICIP 2011
    Subtitle of host publication2011 18th IEEE International Conference on Image Processing
    Pages2561-2564
    Number of pages4
    DOIs
    Publication statusPublished - 2011
    Event2011 18th IEEE International Conference on Image Processing, ICIP 2011 - Brussels, Belgium
    Duration: 2011 Sept 112011 Sept 14

    Publication series

    NameProceedings - International Conference on Image Processing, ICIP
    ISSN (Print)1522-4880

    Other

    Other2011 18th IEEE International Conference on Image Processing, ICIP 2011
    Country/TerritoryBelgium
    CityBrussels
    Period11/9/1111/9/14

    Keywords

    • Bayesian estimation
    • Image denoising
    • MMSE denoising
    • Poisson noise
    • nonlocal means (NLM) filter

    ASJC Scopus subject areas

    • Software
    • Computer Vision and Pattern Recognition
    • Signal Processing

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