IMPROVED YOLOV5-BASED DEEP LEARNING METHOD FOR DETECTINGHOT SPOT EFFECTIN PHTOTVOLTAIC MODULES

被引：0
|
作者：
Wang, Daolei [1 ]
Xiao, Beicheng [1 ]
Yao, Congrong [1 ]
Zhao, Wenbin [1 ]
Zhu, Rui [1 ]
机构：
[1] College of Computer Science and Technology, Shanghai University of Electric Power, Shanghai,201306, China
来源：
Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2024年 / 45卷 / 08期
关键词：
Aiming at the thermal spot detection of photovoltaic modules; an improved YOLOv5 based thermal spot detection algorithm was proposed. In this algorithm; Dilated block composed of cavity convolution is introduced to replace the original SPP block; which effectively reduces the heat spot information loss caused by pooling operation and improves the receptive field of the network. At the same time; the channel attention mechanism is added to the multi-scale detection process; which enhances the importance of the target region of hot spots and improves the detection performance of hot spots. A Lightweight block module composed of deep separable convolution is proposed; which effectively reduces the number of model parameters and improves the detection speed. The experimental results show that the improved YOLOv5 network can achieve fast and accurate detection of hot spots. Compared with the original algorithm; the AP of this method is increased by 1.5% to 98.65%; and the detection speed is increased by 25% to 31 fps. © 2024 Science Press. All rights reserved;
D O I：
10.19912/j.0254-0096.tynxb.2023-0563
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学科分类号：
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页码：342 / 348
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