Table 9 Rejection rates (Total, Correct Prediction, and Incorrect Prediction) for various confidence and uncertainty measures when ResNet50, trained on Stable Diffusion, is tested on Stable Diffusion (SD), Midjourney (MJ), GLIDE (GD), VQDM (VQ),BigGAN (BG) and StyleGAN3 (SG)

From: Detection of AI generated images using combined uncertainty measures and particle swarm optimised rejection mechanism

Measure

Dataset

Nature

AI

Total

Correct

Incorrect

Total

Correct

Incorrect

Probability

SD

1.45

1.28

93.33

1.85

1.62

100.00

MJ

1.50

1.25

88.24

39.10

52.37

32.76

GD

1.70

1.49

92.86

31.22

33.04

29.57

VQ

1.50

1.22

80.95

13.55

39.61

9.06

BG

1.47

1.29

73.33

24.13

67.76

18.07

SG

0.17

0.17

0.00

0.85

0.00

0.85

Total Fisher Information

SD

1.40

1.23

93.33

2.20

1.98

94.74

MJ

1.43

1.19

88.24

38.48

55.36

30.42

GD

1.60

1.39

92.86

31.33

34.55

28.43

VQ

1.48

1.19

85.71

13.88

43.02

8.87

BG

1.42

1.20

86.67

23.03

69.67

16.55

SG

0.17

0.17

0.00

0.85

0.00

0.85

Fisher Frobenius Norm

SD

1.43

1.24

100.00

2.39

2.17

94.74

MJ

1.53

1.27

94.12

39.72

56.96

31.48

GD

1.65

1.44

92.86

31.75

34.80

29.00

VQ

1.48

1.19

85.71

13.67

41.88

8.81

BG

1.48

1.27

86.67

23.88

69.67

17.52

SG

0.17

0.17

0.00

0.85

0.00

0.85

Fisher Entropy

SD

1.19

1.00

100.00

28.36

28.24

78.95

MJ

1.45

1.17

100.00

50.25

94.07

29.31

GD

1.30

1.07

100.00

51.75

75.84

29.98

VQ

1.57

1.22

100.00

19.83

78.21

9.79

BG

1.30

1.05

100.00

27.35

94.95

17.96

SG

0.17

0.17

0.00

2.32

0.00

2.32

Gaussian Process

SD

4.25

4.08

93.33

2.08

1.84

100.00

MJ

5.45

5.18

100.00

47.77

63.51

40.25

GD

4.80

4.63

78.57

38.68

35.18

41.85

VQ

4.60

4.35

76.19

23.03

49.04

18.56

BG

4.80

4.59

86.67

30.82

78.14

24.24

SG

0.68

0.68

0.00

12.61

0.00

12.61

Entropy of Expected

SD

74.06

74.01

100.00

84.50

84.46

100.00

MJ

72.75

72.67

100.00

99.55

99.95

99.36

GD

73.57

73.50

100.00

99.75

99.93

99.59

VQ

72.92

72.82

100.00

82.70

99.55

79.80

BG

73.55

73.48

100.00

99.88

100.00

99.87

SG

82.34

82.34

0.00

58.38

0.00

58.38

Knowledge Uncertainty

SD

72.47

72.42

100.00

81.94

81.89

100.00

MJ

75.28

75.21

100.00

99.65

99.95

99.51

GD

75.28

75.23

100.00

99.75

99.93

99.59

VQ

69.47

69.38

95.24

81.15

98.75

78.12

BG

73.78

73.72

100.00

99.87

100.00

99.85

SG

87.27

87.27

0.00

62.25

0.00

62.25

Combined Uncertainty

SD

32.51

32.39

100.00

33.91

33.76

100.00

MJ

32.35

32.16

100.00

90.58

97.32

87.36

GD

32.12

31.96

100.00

88.75

89.75

87.85

VQ

31.43

31.19

100.00

59.15

87.17

54.33

BG

31.38

31.21

100.00

93.43

99.04

92.65

SG

14.52

14.52

0.00

29.08

0.00

29.08