Table 4 Additional PSNR performance comparisons with various published results. All PSNR values are reported in decibel

STA [23]

35.13

32.60

31.33

39.39

37.07

35.11

34.94

32.90

K-SVD [37]

37.91

35.59

32.13

40.49

37.96

35.95

37.86

35.86

ST-GSM [36]

37.93

35.17

NA

41.43

38.36

36.21

36.85

34.37

3D-Patch [22]

39.26

36.35

NA

42.23

38.40

36.32

36.88

34.55

VBM3D [18]

38.79

36.07

32.51

41.64

38.16

36.24

37.27

35.19

SNLM [16]

32.97

30.02

30.33

38.47

34.33

31.90

34.92

32.65

DNLM [16]

35.22

32.73

31.28

39.70

37.22

35.25

36.19

34.06

RNLM (no BMA)

36.19

32.78

30.94

39.60

38.43

35.83

36.17

33.87

RNLM (BMA)

36.36

34.03

32.01

40.07

39.36

36.55

36.46

34.37