Table 2 Calculation of SSIM values with noise levels of 50, 25, and 15.

From: Enhancing U-Net for image denoising with bilateral filter noise residue and gradient estimation (BIRUNet)

Models

σ = 50

σ = 25

σ = 15

EPLL4

0.6917

0.8125

0.8826

MLP5

0.7312

0.8432

0.8727

DnCNN6

0.7493

0.8802

0.9018

IrCNN7

0.7500

0.8562

0.9071

RIDNet29

0.7320

0.8890

0.9059

BIRUNet

0.7656

0.8913

0.9163

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