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Table 3 The ME and STD of DE for the JPEG + uncompressed manipulation

From: Detection of tampered region for JPEG images by using mode-based first digit features

Size

QF2

75

80

85

90

95

150 Ă— 150

ME

STD

ME

STD

ME

STD

ME

STD

ME

STD

QF1

50

0.0705

0.0626

0.0667

0.0083

0.0895

0.0605

0.1062

0.0751

0.2298

0.2541

 

55

0.0669

0.0536

0.0719

0.0589

0.0844

0.0595

0.0996

0.0713

0.1705

0.1653

 

60

0.0819

0.1077

0.0670

0.0514

0.0687

0.0090

0.0992

0.0624

0.1592

0.1633

 

65

0.1375

0.1597

0.0637

0.0272

0.0733

0.0496

0.0883

0.0506

0.1348

0.1017