Table 3 The comparison of the downsampling detection rate results at false positive rate 10−2 except Choi’s method (the false positive rate of Choi’s method 29.2%)
From: Enhanced resampling detection based on image correlation of 3D stereoscopic images
Comp. | Scaling factors | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
0.70 | 0.75 | 0.80 | 0.85 | 0.90 | 0.925 | 0.95 | 0.975 | 0.99 | ||
Proposed | No | 73.0 | 85.8 | 0 | 98.8 | 98.2 | 99.8 | 99.6 | 98.6 | 90.4 |
JPEG100 | 72.0 | 84.6 | 0 | 98.8 | 98.2 | 99.6 | 99.2 | 98.2 | 91.4 | |
JPEG90 | 25.2 | 26.4 | 0 | 55.6 | 58.0 | 66.4 | 64.8 | 60.8 | 72.4 | |
Mahdian [4] | No | 72.6 | 81.2 | 0 | 91.0 | 91.2 | 93.0 | 91.6 | 90.8 | 83.4 |
JPEG100 | 72.0 | 81.0 | 0 | 91.0 | 91.4 | 93.2 | 91.2 | 90.6 | 82.6 | |
JPEG90 | 41.0 | 45.6 | 0 | 70.6 | 72.6 | 74.8 | 76.2 | 77.2 | 78.4 | |
Kirchner [7] | No | 19.4 | 40.8 | 0 | 66.8 | 91.6 | 86.4 | 77.8 | 91.0 | 2.8 |
JPEG100 | 21.2 | 38.6 | 0 | 72.6 | 94.4 | 90.4 | 84.0 | 80.0 | 1.6 | |
JPEG90 | 2.6 | 1.6 | 0 | 13.2 | 40.0 | 36.0 | 46.0 | 39.8 | 2.0 | |
Choi [14] | No | 54.7 | 73.9 | 0 | 80.9 | 82.4 | 84.3 | 79.7 | 78.7 | 74.8 |
JPEG100 | 54.8 | 73.7 | 0 | 80.9 | 82.6 | 84.4 | 79.7 | 78.8 | 75.1 | |
JPEG90 | 35.2 | 42.4 | 0 | 63.4 | 73.2 | 76.1 | 74.8 | 68.5 | 60.9 | |