Table 2 Performance comparison of loss functions.

From: An image deblurring method using improved U-Net model based on multilayer fusion and attention mechanism

Loss functions

λ

PSNR(dB)

SSIM

LMSE

–

29.46

0.931

LMSE + LSSIM

0.2

30.83

0.935

LMSE + LPerceptual

0.5

31.31

0.944

LMSE + LFRLF

0.1

31.53

0.948

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