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Table 1 PSNR test result.

From: Peak-Shaped-Based Steganographic Technique for JPEG Images

PSNR

min

mean

max

MB1

34.2 dB

40 dB

43.6 dB

MB2

35.2 dB

39.9 dB

44.3 dB

PSB

34.2 dB

40.4 dB

46.6 dB