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Defect Detection Network for TOPCon Solar Cells Based on Improved YOLOv5 and CBAM Mechanism

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Big Data – BigData 2024 (BIGDATA 2024)

Abstract

In the field of new energy photovoltaics, efficient defect detection of Tunnel Oxide Passivated Contact solar cells is crucial for ensuring power generation efficiency and stability. Addressing the limitations of traditional manual vision and image processing techniques in terms of efficiency and accuracy under high-throughput and complex conditions, this study proposes an improved lightweight convolutional neural network model based on the YOLOv5 algorithm. The model integrates three enhancement approaches: Channel Attention plus Generative Adversarial Networks, Squeeze-and-Excitation, and Convolutional Block Attention Module to bolster the model’s capability to recognize key features. By automating feature extraction and incorporating attention mechanisms, the model significantly improves the efficiency and accuracy of defect detection in photovoltaic wafers. Experimental results demonstrate that the enhanced model excels in detecting small targets and complex backgrounds on the PVEL-AD dataset while maintaining low computational costs, indicating promising application prospects and practical value. This research not only enhances detection performance but also provides effective technical support for quality control and maintenance management in the photovoltaic industry.

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Acknowledgement

The authors would like to express their sincere gratitude to the funding bodies that have supported this research. This work was partially supported by the project “Legal Protection of Big Data Transaction Security in Hubei Province” under Grant Number 19ZD077, which is funded by the Hubei Province. This support has been critical in exploring the legal and ethical dimensions related to the application of AI Holographic Cabin technology in various domains, including data security and privacy concerns.

Additionally, we acknowledge the financial assistance provided by the Hubei Provincial Department of Education’s Research Project, specifically for the project titled “Deep Learning-Based Abnormal State Detection System for Transformer Oil Leakage in 110 kV Substations,” with Project Number B2021362. This funding has been instrumental in advancing the development of the deep learning algorithms and their application in the AI Holographic Cabin for improved monitoring and diagnostic capabilities.

We would also like to thank the project teams and collaborators for their invaluable contributions, insights, and efforts throughout the research process. Their dedication has been essential to the success of this study.

Funding

This research was supported by the project “New Engineering Background Undergraduate Students’ Engineering Cognition and Innovation Ability Training Research” under Grant Number 2019GA066, which is aimed at fostering the engineering cognition and innovative capabilities of new undergraduates in the context of new engineering education. The project has provided the necessary funding for the development and implementation of the AI Holographic Cabin technology, as well as the associated research activities detailed in this paper.

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Pang, X. et al. (2025). Defect Detection Network for TOPCon Solar Cells Based on Improved YOLOv5 and CBAM Mechanism. In: Zhang, Y., Cai, T., Zhang, LJ. (eds) Big Data – BigData 2024. BIGDATA 2024. Lecture Notes in Computer Science, vol 15422. Springer, Cham. https://doi.org/10.1007/978-3-031-77088-3_6

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  • DOI: https://doi.org/10.1007/978-3-031-77088-3_6

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