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. Author manuscript; available in PMC: 2014 May 7.
Published in final edited form as: IEEE Signal Process Lett. 2012 Sep 5;19(11):745–748. doi: 10.1109/LSP.2012.2217329

Fig. 5.

Fig. 5

Comparison of denoising performance for the Checker image at noise σ = 80. NLM-kNN and NLEM-kNN refer to the respective modifications of NLM and NLEM where we use only the largest 50% of the weights.