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Table 1 Different quality factors for the Green bamboo image

From: A new blockchain-based trusted DRM scheme for built-in content protection

Quality factor

CIR (%)

PSNR (dB)

SSIM

Bit error

100

163.24

39.32

0.9750

0

95

32.89

39.34

0.9762

0

90

2.91

39.03

0.9723

0

85

− 18.23

39.23

0.9736

0.001

80

− 26.33

38.82

0.9715

0.004

75

− 31.88

38.33

0.9687

0.016

70

− 36.65

37.99

0.9660

0.037

65

− 47.67

38.00

0.9657

0.075