Fig. 1. Structure of PMFP

Fig. 2. Conventional convolution and asymmetric convolution

Fig. 3. Channel Shuffle

Fig. 4. Structure of Slim-Focus

Fig. 5. Comparison of down-sampling effect

Fig. 6. Structure of SkipBranch

Fig. 7. Structure of lightweight model PMFPSNet

Fig. 8. Structure of PANet

Fig. 9. Centerness label and IoU label

Fig. 10. Comparison of detection results