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Table 6 PSNR with different denoising algorithms for benchmark images

From: An image denoising method based on BP neural network optimized by improved whale optimization algorithm

  MF NAF WF BP WOA-BP MSWOA-BP
Man 21.09 21.88 22.48 23.59 25.67 25.97
Boat 20.82 21.46 22.27 24.98 26.04 26.18
Butterfly 19.73 20.14 22.21 23.79 24.88 25.77
House 19.31 19.84 22.57 22.88 23.80 24.71