Xun Li, Binbin Shi, Yang Liu, Lei Zhang, Xiaohua Wang. Multi-Target Recognition Method Based on Improved YOLOv2 Model[J]. Laser & Optoelectronics Progress, 2020, 57(10): 101010
- Laser & Optoelectronics Progress
- Vol. 57, Issue 10, 101010 (2020)
Fig. 1. Target position
Fig. 2. Test results of different models. (a) Model 1; (b) model 2; (c) model 3; (d) model 4; (e) model 5; (f) model 6
Fig. 3. Frame of YOLOv2-voc_mul model
Fig. 4. Model data sample. (a) Car; (b) van; (c) bus; (d) truck
Fig. 5. Loss graphs of different models. (a) YOLOv2; (b) YOLOv2-voc; (c) YOLOv3; (d) YOLOv2-voc_mul
Fig. 6. Verification results of different models. (a) YOLOv2; (b) YOLOv2-voc; (c) YOLOv3; (d) YOLOv2-voc_mul
Fig. 7. Test results at different number of iterations. (a) 60000; (b) 70000
Fig. 8. Added model samples
Fig. 9. Test results of different models. (a) YOLOv2 model; (b) YOLOv2-voc model; (c) YOLOv3 model; (d) YOLOv2-voc_mul model
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Table 1. Network framework
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Table 2. Test results
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Table 4. Comparison of mAP value in different models
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Table 5. Average accuracy of vehicle identification in the YOLOv2-voc_mul model
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