Table 11 Detection performance across structural components.

From: Image-based detection of bolts and bolt-missing defects in multi-angle and complex background scenarios

Component

Designed quantity (Sets)

Detected quantity (Sets)

Missing bolts (Sets)

Detection rate

Missing rate

Hanger

868

868

0

100%

0%

Stiffening girder

11,904

11,768

1

98.86%

0.84%

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