Table 5 Realistic performance of the individual detectors and fusion approaches with the fixed decision thresholds and equal fusion weights with the combined LondonDB/UtrechtDB/Alabama datasets (best result per morph type marked in bold)

D_ArXivMC

Combined

7.45%

1.00%

4.22%

3.87%

18.56%

11.22%

D_ArXivNaive

2.01%

1.82%

1.91%

0.97%

13.32%

7.14%

D_BIOSIGMC

25.76%

1.35%

13.56%

23.10%

10.12%

16.61%

D_BIOSIGNaive

11.47%

5.25%

8.36%

9.54%

18.05%

13.80%

D_keypoints

87.86%

0.00%

43.93%

96.94%

0.00%

48.47%

F_M

11.39%

0.56%

5.97%

7.15%

9.30%

8.23%

F_WLC

18.09%

0.02%

9.05%

19.90%

0.84%

10.37%

F_DST

25.47%

0.02%

12.74%

35.02%

0.01%

17.52%

F_LR

23.68%

0.02%

11.85%

27.05%

0.35%

13.70%

D_ArXivMC

Complete

7.45%

1.00%

4.22%

3.87%

15.73%

9.80%

D_ArXivNaive

2.01%

1.60%

1.81%

0.97%

10.57%

5.77%

D_BIOSIGMC

25.76%

1.38%

13.57%

23.10%

8.38%

15.74%

D_BIOSIGNaive

11.47%

4.47%

7.97%

9.54%

14.31%

11.92%

D_keypoints

87.86%

0.00%

43.93%

96.94%

0.00%

48.47%

F_M

11.39%

0.31%

5.85%

7.15%

3.76%

5.46%

F_WLC

18.09%

0.02%

9.05%

19.90%

0.60%

10.25%

F_DST

25.47%

0.02%

12.74%

35.02%

0.02%

17.52%

F_LR

23.68%

0.02%

11.85%

27.05%

0.27%

13.66%

D_ArXivMC

Splicing

7.45%

2.57%

5.01%

3.87%

24.81%

14.34%

D_ArXivNaive

2.01%

3.54%

2.77%

0.97%

16.04%

8.50%

D_BIOSIGMC

25.76%

3.54%

14.65%

23.10%

17.39%

20.25%

D_BIOSIGNaive

11.47%

7.39%

9.43%

9.54%

21.22%

15.38%

D_keypoints

87.86%

0.02%

43.94%

96.94%

0.00%

48.47%

F_M

11.39%

1.45%

6.42%

7.15%

12.35%

9.75%

F_WLC

18.09%

0.07%

9.08%

19.90%

1.42%

10.66%

F_DST

25.47%

0.03%

12.75%

35.02%

0.03%

17.52%

F_LR

23.68%

0.03%

11.85%

27.05%

0.55%

13.80%