Changdong Yu, Xiaojun Bi, Yang Han, Haiyun Li, Yunfei Gui. Particle Image Velocimetry Based on a Lightweight Deep Learning Model[J]. Acta Optica Sinica, 2020, 40(7): 0720001
- Acta Optica Sinica
- Vol. 40, Issue 7, 0720001 (2020)
Fig. 1. Structure of the LiteFlowNet
Fig. 2. Improved NetE structure
Fig. 3. Depth separable convolution
Fig. 4. Velocity fields and vorticity maps of DNS turbulent flow estimated by different models
Fig. 5. RMSE estimated by different models for turbulent image
Fig. 6. Histogram comparison of velocity distributions estimated by different models
Fig. 7. Number of parameters for different models
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Table 1. Improved NetC network structure parameters
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Table 2. Types of motion fields included in the PIV dataset
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Table 3. Test errors on DNS
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Table 4. Computation time of different models
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