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Table 3 Experimental results for defect geometric characterization parameters ξ1–ξ11

From: Detection and Characterization of Defects in Additive Manufacturing by Polarization-Based Imaging System

Characterization parameters

#1 ROI1

#1 ROI2-1

#1 ROI2-2

#2 ROI

#3 ROI

#4 ROI1

#4 ROI2

ξ1

3365.1

474.3

5283.1

1556.2

18246.8

4898.8

3571.1

ξ2

246.6

78.7

336.4

332.5

656.9

255.9

216.3

ξ3

50.0

21.1

76.3

138.1

172.4

72.4

67.1

ξ4

96.0

27.6

119.7

93.4

132.9

85.5

65.8

ξ5

96.0

27.9

128.6

155.2

181.7

85.8

67.1

ξ6

50.0

20.5

66.8

17.6

123.3

70.2

65.8

ξ7

0.52

0.76

0.64

1.48

1.30

0.85

1.02

ξ 8

1.92

1.36

1.93

8.83

1.47

1.22

1.02

ξ9

0.70

0.83

0.61

0.57

0.81

0.81

0.81

ξ10

1.44

1.04

1.70

5.65

1.88

1.06

1.04

ξ11

90

81.87

− 57.68

− 29.25

− 4.45

− 79.38

90