Abstract
A new noise reduction algorithm HeNLM-LA is proposed. It is a modification of the non-local means algorithm using Hermite functions expansion of pixel neighborhoods. The filtering strength parameter is automatically adjusted proportionally to the local noise level. An algorithm for local noise level estimation is based on edge modeling; it suppresses high-amplitude edges in the map of local image variance.
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Original Russian Text © N.V. Mamaev, A.S. Lukin, D.V. Yurin, 2014, published in Programmirovanie, 2014, Vol. 40, No. 4.
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Mamaev, N.V., Lukin, A.S. & Yurin, D.V. HeNLM-LA: a locally adaptive non-local means algorithm based on hermite functions expansion. Program Comput Soft 40, 199–207 (2014). https://doi.org/10.1134/S0361768814040070
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DOI: https://doi.org/10.1134/S0361768814040070