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 | 0.1248 | 0.0634 | 0.1194 | 0.0154 | 0.1439 | 0.0603 | 0.1539 | 0.0751 | 0.2571 | 0.2514 |
 | 55 | 0.1146 | 0.0558 | 0.1283 | 0.0604 | 0.1390 | 0.0602 | 0.1450 | 0.0706 | 0.2039 | 0.1714 |
 | 60 | 0.1178 | 0.1104 | 0.1236 | 0.0539 | 0.1208 | 0.0157 | 0.1478 | 0.0613 | 0.1921 | 0.1602 |
 | 65 | 0.1524 | 0.1640 | 0.1110 | 0.0500 | 0.1318 | 0.0513 | 0.1371 | 0.0513 | 0.1754 | 0.1007 |