Jie Zhang, Hongdong Zhao, Yuhai Li, Miao Yan, Zetong Zhao. Classifier for Recognition of Fine-Grained Vehicle Models under Complex Background[J]. Laser & Optoelectronics Progress, 2019, 56(4): 041501
- Laser & Optoelectronics Progress
- Vol. 56, Issue 4, 041501 (2019)
Fig. 1. Flow chart of Softmax-SVM classifier
Fig. 2. Structural diagram of Softmax-SVM classifier based on DCNN
Fig. 3. Partial samples of 27 types of vehicle models
Fig. 4. DCNN performance versus training under different loss functions. (a) Training accuracy; (b) test accuracy; (c) training loss; (d) test loss
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Table 1. Recognition accuracies of DCNN training for 350 times under different loss functions
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Table 2. Losses of DCNN training for 350 times under different loss functions
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Table 3. Test accuracies of different classifier models
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Table 4. Time for training and recognition of all test samples by different classifiers
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Table 5. Softmax-SVM performance in extracting features of different layers of DCNN to train SVM
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