Fig. 7

mAP@0.5:0.95 curves and LOSS curves. a mAP@0.5:0.95 curves. b LOSS curves. Model 1 is the Faster R-CNN with FPN structure. Model 2 is the Faster R-CNN with data augmentation and FPN structure. Model 3 is the traditional Faster R-CNN. Model 4 is the Faster R-CNN with Multi-Scale data augmentation and FPN structure. Epoch: All the data were sent into the network to complete a process of forward calculation and backpropagation. mAP@0.5:0.95 is the process of increasing IoU from 0.5 to 0.95 according to the span of 0.05. The mAP corresponding to each IoU was added to obtain the average value of mAP in this process