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Improved Lightweight YOLOv5-Based Model for Raindrop Target Detection on Automotive Windshields
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Wei JIANG, Guangdong ZHANG, Jinhua CHEN, Shuquan SONG
Chinese Journal of Automotive Engineering | 2024, 14(5) : 821 - 828
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Chinese Journal of Automotive Engineering | 2024, 14(5): 821-828
Intelligent & Connected Technologies Section/Editor-in-Chief: GAO Zhenhai
Improved Lightweight YOLOv5-Based Model for Raindrop Target Detection on Automotive Windshields
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Wei JIANG, Guangdong ZHANG, Jinhua CHEN, Shuquan SONG
Affiliations
  • School of Mechanical Engineering Yancheng Institute of Technology Yancheng 224051 China
doi: 10.3969/j.issn.2095–1469.2024.05.08
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In existing visionbased intelligent wiper systems, the raindrop target detection model has a large number of parameters and excessive computational complexity, making it challenging to deploy in vehicle embedded devices. To address these issues, the paper proposes a lightweight raindrop target detection model, YOLOV5RGA. By integrating the RepVGG and GhostBottleneck modules to replace the convolution and C3 modules of the backbone network, we enhance the network's feature extraction capabilities while significantly reducing the parameters and computational load. Furthermore, adopting the Adam optimizer results in faster convergence and improves the average accuracy of the network model. Through experimental validation, compared with the YOLOv5s model, the YOLOv5RGA model achieves a 0.8% increase in average accuracy. Additionally, the number of model parameters is reduced by 48.5%, computation demand decreases by 35.2%, and the model size shrinks by 44.4%. The adoption of the lightweight raindrop target detection model effectively reduces hardware overhead and also facilitates model deployment.

lightweight  /  improved YOLOv5  /  raindrop target detection  /  RepVGG module
Wei JIANG, Guangdong ZHANG, Jinhua CHEN, Shuquan SONG. Improved Lightweight YOLOv5-Based Model for Raindrop Target Detection on Automotive Windshields[J]. Chinese Journal of Automotive Engineering, 2024 , 14 (5) : 821 -828 . DOI: 10.3969/j.issn.2095–1469.2024.05.08
Year 2024 volume 14 Issue 5
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doi: 10.3969/j.issn.2095–1469.2024.05.08
  • Receive Date:2023-06-14
  • Online Date:2025-07-20
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  • Received:2023-06-14
  • Revised:2023-07-25
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    School of Mechanical Engineering Yancheng Institute of Technology Yancheng 224051 China
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表12种不同金属材料的力学参数

Family
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Number of
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Number of
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占总种数比例
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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