An optimized OpenCL implementation of the Non-local means de-noising algorithm
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README.md

KNLMeansCL

GitHub release

KNLMeansCL is an optimized OpenCL implementation of the Non-local means de-noising algorithm. The NLMeans filter, originally proposed by Buades et al., is a very popular filter for the removal of white Gaussian noise, due to its simplicity and excellent performance. The strength of this algorithm is to exploit the repetitive character of the image in order to de-noise the image unlike conventional de-noising algorithms, which typically operate in a local neighbourhood.

For end user KNLMeansCL is a plugin for AviSynth, AviSynth+ and for VapourSynth. Windows, OS X and Linux are supported. Read more on the Wiki and support on the Doom9 forum.

KNLMeansCL is available under the GNU GPL v3 license. All development is done in my free time, but if you find it useful as a home user or in your business, it would be great if you could Buy Me a Coffee! Companies, who are looking for a commercial license which is less restrictive than the GPL v3, please contact me by writing to my site.