Yunzuo Zhang, Panliang Yang, Wenxuan Li. Detection of Cable Leakage Fixture in Railway Tunnel Based on Improved SSD Algorithm[J]. Laser & Optoelectronics Progress, 2021, 58(22): 2215005
- Laser & Optoelectronics Progress
- Vol. 58, Issue 22, 2215005 (2021)
Fig. 1. Network structure of improved SSD
Fig. 2. Block structure of improved SSD
Fig. 3. Residual unit
Fig. 4. Examples of fixtures and background. (a) Fault fixture; (b) good fixture; (c) background
Fig. 5. Training loss diagram of different models. (a) SSD; (b) MobileNet SSD; (c) proposed improved SSD
Fig. 6. Examples of detection results of proposed algorithm
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Table 1. Precision comparison
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Table 2. Comparison of detection speed
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