Methods

Resolution on rate

Image PSNR

Frequency PSNR

Low Frequency PSNR

High Frequency PSNR

Low

18.90

28.86

80.91

90.84

27.56

U-Net

81.49

26.06

80.07

62.13

29.99

U-Net & TT

92.25

28.44

83.10

75.83

30.94

U-Net & CK

92.47

29.51

84.55

79.91

31.33