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. 2020 Jul 31;10:12987. doi: 10.1038/s41598-020-69789-z

Table 2.

Number of radiographs with false-positive (FP) detections due to foreign bodies (FB) made by the RetinaNet architecture.

Foreign body Total radiographs Radiographs with FP due to FB
Port 26 1
ECG 21 1
Sternum cerclage 5 0
Clips 10 0
Pacemaker 3 0

False-positives due to FB only occurred for radiographs classified as port or ECG.