Fault Detection Method Based on Improved Faster R-CNN: Take ResNet-50 as an Example

Table 3

Comparison of detection time of different backbone feature extraction networks.

Backbone network	Input image	Number of faults detected	Detection time (seconds)
ResNet-50	1024 × 1024	281	0.233
ResNet-50	512 × 512	274	0.221
MobileNet-V2	1024 × 1024	273	0.274
MobileNet-V2	512 × 512	269	0.267
Manual labeling	1024 × 1024	300	30
Manual labeling	512 × 512	300	30