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 | 0.8905 | 0.0332 | 0.8930 | 0.0124 | 0.8756 | 0.0298 | 0.8691 | 0.0398 | 0.8170 | 0.1100 |
 | 55 | 0.8981 | 0.0292 | 0.8875 | 0.0309 | 0.8794 | 0.0300 | 0.8756 | 0.0370 | 0.8413 | 0.0777 |
 | 60 | 0.8989 | 0.0563 | 0.8909 | 0.0274 | 0.8921 | 0.0126 | 0.8728 | 0.0311 | 0.8485 | 0.0747 |
 | 65 | 0.8731 | 0.0823 | 0.9006 | 0.0267 | 0.8843 | 0.0248 | 0.8804 | 0.0248 | 0.8551 | 0.0513 |