Non-Local Means Filter

Non-Local Means Filter for image denoising
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Updated 1 Aug 2008

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Implementation of the Non-Local Means Filter proposed by Buades et al. for robust image denoising.

typical usage:

fima=nlmeans(ima,5,2,sigma);

being sigma the noise standard deviation

Cite As

Jose Vicente Manjon-Herrera (2026). Non-Local Means Filter (https://www.mathworks.com/matlabcentral/fileexchange/13176-non-local-means-filter), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14SP1
Compatible with any release
Platform Compatibility
Windows macOS Linux
Version Published Release Notes
1.0.0.0

I have added a small demo to show clearer how to use the filter