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Table 3 The PSNR of each method for removing scratches (Unit: dB)

From: Image restoration based on sparse representation using feature classification learning

 

BSCB

TV

DCT

K-SVD

NLPB

Proposed method

Baboon

43.56

43.82

43.87

44.36

43.43

44.08

Barbara

44.79

46.44

46.03

47.06

46.66

47.42

Cameraman

47.52

47.74

46.94

45.85

48.14

46.37

Couple

46.06

47.18

46.01

46.24

46.39

46.79

House

46.93

47.85

46.33

47.49

49.49

49.08

Lena

46.18

46.84

45.83

47.03

46.82

46.62