Table 6 PSNR values of recovered image with various tampering attacks.

House

46.60

42.12

41.79

44.39

100

Mandril

38.42

42.09

31.21

35.57

100

Peppers

44.14

40.84

42.85

37.99

100

Lake

49.04

38.09

49.65

45.81

100

Jet plane

39.98

36.19

40.62

31.32

100

Boat

38.51

34.29

38.49

36.23

100

Tulips

37.80

35.87

38.72

31.88

100

Pirate

44.76

45.47

47.84

50.95

100

Blonde

48.87

49.39

49.90

47.84

100

Livingroom

47.26

46.35

45.02

45.33

100

Walkbridge

46.58

42.38

41.97

44.14

100

Woman_darkhair

48.35

43.69

47.77

46.87

100

Clock

48.91

48.67

46.85

47.59

100

Chemical plant

42.64

43.83

42.74

49.65

100

Walter cronkite

47.72

47.25

48.65

46.39

100

Average

45.13

45.10

46.20

45.46

100