A Review on Surface Defect Detection of Solar Cells Using

The automatic detection of surface defects of solar cells can be carried out by using computer vision in a less time-consuming and efficient manner. Many researchers have proposed different methods and algorithms for solar cell surface defect detection. Tsai et al. used Fourier image reconstruction for detection of defects in solar cells. They ...

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BAF-Detector: An Efficient CNN-Based Detector for …

It causes automatic defect detection in solar cell EL images extremely difficult. To automatically identify these defects in EL image, many conventional computer vision-based methods [4], [5] have been proposed to satisfy the urgent demand of the quality monitoring. Handcrafted features and data-based classifiers

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(PDF) Solar Cell Surface Defect Detection Based on …

A solar cell defect detection method with an improved YOLO v5 algorithm is proposed for the characteristics of the complex solar cell image background, variable defect morphology, and large-scale ...

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CNN based automatic detection of photovoltaic cell defects in ...

However, PL/IR images are used in study. The study [20] use Fourier image reconstruction to detect solar cells having defects. However, this method has complexities in defect detection with more complex shapes due to shape assumption and it takes 0.29 s to inspect only one solar cell.

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Deep-Learning-Based Automatic Detection of Photovoltaic Cell Defects …

Photovoltaic (PV) cell defect detection has become a prominent problem in the development of the PV industry; however, the entire industry lacks effective technical means. In this paper, we propose a deep-learning-based defect detection method for photovoltaic cells, which addresses two technical challenges: (1) to propose a method for data enhancement and …

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Defect detection of solar cells in electroluminescence images using ...

A self-reference scheme based on the Fourier image reconstruction technique is proposed for defect detection of solar cells with EL images. The target defects appear as line- or bar-shaped objects in the EL image. The Fourier image reconstruction process is applied to remove the possible defects by setting the frequency components associated ...

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Research on multi-defects classification detection method …

2 Solar cells defect detection system, datasets construction and defects feature analysis Based on the field application requirements, The defect detection system for solar cells is built and shown in Fig 1. The solar cells will pass through four detection working stations (from ... shown in Fig 3(e), compared with the normal image of solar ...

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Image Defect Detection and Segmentation Algorithm of Solar Cell …

This paper proposes an improved fusion model based on VGGNet and U-Net++, which is used for defect detection and segmentation of EL images of solar cells and shows that the defect detection accuracy of the improved VGG16 network on the elpv-dataset is 95.2%, and the U- net++ defect segmentation model has an average MIoU value of 0.955, better than other existing methods. …

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(PDF) Solar Cell Surface Defect Detection Based on Improved …

A solar cell defect detection method with an improved YOLO v5 algorithm is proposed for the characteristics of the complex solar cell image background, variable defect morphology, and large-scale ...

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An improved hybrid solar cell defect detection approach using ...

Traditionally, defect detection in EL images of PV cells has relied on labor-intensive manual inspection, which are not only time-consuming but also prone to human errors and subjectivity (Bartler et al., 2018).Due to the rise of advanced imaging techniques and considerable progress in machine vision and artificial intelligence, innovative solutions have emerged.

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A benchmark dataset for defect detection and classification in ...

Automatic defect detection and classification in solar cells is the subject of many publications since EL imaging of silicon solar cells was first introduced by Fuyuki et al. [1] for detection of deteriorated areas in solar cells in 2005.

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Solar Cell Surface Defect Detection Based on Improved …

ABSTRACT A solar cell defect detection method with an improved YOLO v5 algorithm is proposed for the characteristics of the complex solar cell image background, variable defect morphology, and ...

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Solar Cell Surface Defect Detection Based on Optimized YOLOv5

Traditional vision methods for solar cell defect detection have problems such as low accuracy and few types of detection, so this paper proposes an optimized YOLOv5 model for more accurate and ...

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Comprehensive Analysis of Defect Detection Through Image

This clearly indicates that the best possible method for detection of defects in solar models is through Machine Learning. 3.3 AlexNet. Of all the methods available, the best method for solar panel defect detection is AlexNet. It is a 25-layer Feed-Forward CNN. The image type is Electroluminescence imaging.

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E-ELPV: Extended ELPV Dataset for Accurate Solar Cells Defect ...

There is an increasing interest towards the deep detection of defects in several industrial products (e.g. Sarpietro et al. [] developed a deep pipeline for classification of defect patterns applied in Silicon technology).This interest motivated us to propose a new dataset and its benchmark for the classification of defects in solar cells.

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A review of automated solar photovoltaic defect detection systems ...

In this paper, data analysis methods for solar cell defect detection are categorised into two forms: 1) IBTs, which depend on analysing the deviations of optical …

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Research of Solar Cell Surface Defect Detection System Based on …

In the experimental process, solar cell images are collected in the motion state, the image characteristics of all kinds of damage are extracted, and the least squares support vector machine algorithm is used to construct the solar cell defect recognition model, the intelligent detection and classification of the solar cells can be achieved ...

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Adaptive automatic solar cell defect detection and classification …

The proposed adaptive automatic solar cell defect detection and classification method mainly consists of the following three steps: solar cell EL image preprocessing, …

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Accurate detection and intelligent classification of solar cells ...

Defect detection in solar cells plays a significant role in industrial production processes [3]. ... PL images from finished solar cells were utilized as input features to train the CNN model for loss analysis. The CNN model successfully predicted the spatially non-uniform distribution of contact resistance and defect parameters in the measured ...

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Solar Cell Surface Defect Detection Based on Optimized Yolov5

A solar cell defect detection method with an improved YOLO v5 algorithm is proposed for the characteristics of the complex solar cell image background, variable defect morphology, and large-scale differences. First, the deformable convolution is incorporated into the CSP module to achieve an adaptive learning scale and perceptual field size ...

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Automatic detection of solar cell surface defects in ...

Convolutional neural networks (CNNs) allow the reliable segmentation of these defects in images of the solar cells. Nevertheless, the training of CNNs requires a large amount of empirical data, in which the defects have to be labeled expensively by experts. ... pp. 1211–1222, Nov. 2021, doi: 10.1016/j.renene.2021.06.086. D. M. Tsai, S. C. Wu ...

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Surface Defect Detection of Solar Cell Based on Difference Image …

Download Citation | On Nov 28, 2017, Heng-hua CAO and others published Surface Defect Detection of Solar Cell Based on Difference Image Method | Find, read and cite all the research you need on ...

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A PV cell defect detector combined with transformer and …

Deitscha et al. 18 proposed an end-to-end deep CNN for classifying defects in EL images of solar cells. ... El Yanboiy et al. 7 implemented real-time solar cell defect detection using the YOLOv5 ...

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(PDF) Solar Cell Busbars Surface Defect Detection …

Defect detection of the solar cell surface with texture and complicated background is a challenge for solar cell manufacturing. The classic manufacturing process relies on human eye detection ...

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A photovoltaic cell defect detection model capable of topological ...

Zhang, J. et al. Automatic detection of defective solar cells in electroluminescence images via global similarity and concatenated saliency guided network. IEEE Trans. Ind. Inf. 19, …

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Solar cell surface defect detection based on optimized …

Date of publication xxxx 00, 0000, date of current version xxxx 00, 0000. Digital Object Identifier 10.1109/ACCESS.2022.0122113 Solar cell surface defect detection based on

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A PV cell defect detector combined with transformer and attention ...

Automated defect detection in electroluminescence (EL) images of photovoltaic (PV) modules on production lines remains a significant challenge, crucial for replacing labor …

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Defect detection of photovoltaic modules based on …

Mazen et al. 31 proposed an improved YOLOv5 for an automatic PV defect detection system in EL images. They introduced the global attention module into the traditional YOLOv5 model to improve...

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Automated defect identification in electroluminescence images of solar …

The cell segmentation tool is used to cropped module images into single solar cells, creating 131,200 images of solar cells. Among them, 15 cells have two defects, ... Detection of surface defects on solar cells by fusing multi-channel convolution neural networks. Infrared Phys. Technol., 108 (2020), Article 103334.

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BAF-Detector: An Efficient CNN-Based Detector for Photovoltaic Cell …

The multiscale defect detection for photovoltaic (PV) cell electroluminescence (EL) images is a challenging task, due to the feature vanishing as network deepens. To address this problem, an attention-based top-down and bottom-up architecture is developed to accomplish multiscale feature fusion. This architecture, called bidirectional attention feature pyramid network …

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An efficient and portable solar cell defect detection system

solar cells, automatic detection of solar cell defects and solar station efficiency has become an imperative. Various research applications to automatically detect solar cell defects have been conducted, but there have been few investigations on EL imaging. Furthermore, these earlier recent studies [6–17] that relied on EL imaging were

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Solar Cell Surface Defect Detection Based on Optimized YOLOv5

The results show that the optimized model achieves an mAP of 96.1% on the publicly available dichotomous ELPV dataset, and can identify and locate a variety of common defects in the …

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Defect Detection of Solar Cells Using EL Imaging and Fourier Image …

Self-reference approaches (Guan et al. 2003) that generate a golden template from the inspection image itself and image reconstruction approaches (Tsai and Huang 2003) that remove the background pattern have been used for defect detection in textured surfaces.The multi-crystalline solar cell in the EL image falls in the category of inhomogeneous textures.

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Solar panel defect detection design based on YOLO v5 algorithm

There are 4964 images in the solar panel defect detection data set, which brings together 4464 images from the PVELAD data set jointly released by Hebei University of Technology and Beijing University of Aeronautics and Astronautics and 4464 private solar panel defect images. ... Control and Detection Defects in Solar Cells, 2013 Spanish ...

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Solar Cell Defects Detection Using Lock-In Amplifier

In this research we present a Lock-In amplifier photoluminescence image (PLI) detection system. Using a commercially available CCD camera, combined with a modulated excitation light source system, Lock-In amplifier technique is employed to enhance the sensitivity and signal-to-noise ratio of the image. Using a high resolution camera, we developed a high …

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Defect detection and quantification in electroluminescence images of ...

Electroluminescence (EL) images enable defect detection in solar photovoltaic (PV) modules that are otherwise invisible to the naked eye, much the same way an x-ray enables a doctor to detect cracks and fractures in bones. ... including a review paper on surface defect detection on solar PV cells using computer vision techniques [6].

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Defect detection of solar cells in electroluminescence images …

DOI: 10.1016/J.SOLMAT.2011.12.007 Corpus ID: 97806427; Defect detection of solar cells in electroluminescence images using Fourier image reconstruction @article{Tsai2012DefectDO, title={Defect detection of solar cells in electroluminescence images using Fourier image reconstruction}, author={Du-ming Tsai and Shih-Chieh Wu and Wei-Chen Li}, journal={Solar …

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Deep Learning-Based Solar-Cell Manufacturing Defect Detection …

Abstract: The automatic defects detection for solar cell electroluminescence (EL) images is a challenging task, due to the similarity of defect features and complex background features. To …

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Deep Learning-Based Solar-Cell Manufacturing Defect Detection …

The automatic defects detection for solar cell electroluminescence (EL) images is a challenging task, due to the similarity of defect features and complex background features. To address this problem, in this article a novel complementary attention network (CAN) is designed by connecting the novel channel-wise attention subnetwork with spatial attention subnetwork sequentially, …

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Defect detection of photovoltaic modules based on improved

To improve the defects classification and detection results in raw solar cell EL images, ... L. Solar cell surface defect detection based on improved YOLO v5. IEEE Access 10, 80804–80815.

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A benchmark dataset for defect detection and classification in ...

Electroluminescence (EL) images enable defect detection in solar photovoltaic (PV) modules that are otherwise invisible to the naked eye, much the same way an x-ray …

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(PDF) Solar Cell Busbars Surface Defect Detection Based on Deep ...

Defect detection of the solar cell surface with texture and complicated background is a challenge for solar cell manufacturing. The classic manufacturing process relies on human eye detection ...

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Comparison of Outdoor and Indoor PL and EL Images in Si Solar Cells …

Nowadays, silicon solar plants consist of hundreds of thousands of panels. The detection and characterization of solar cell defects, particularly on-site, is crucial to maintaining high productivity at the solar plant. Among the different techniques for the inspection of the solar cell defects, luminescence techniques provide very useful information about the spatial …

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Defect detection of photovoltaic modules based on …

To improve the defects classification and detection results in raw solar cell EL images, ... L. Solar cell surface defect detection based on improved YOLO v5. IEEE Access 10, 80804–80815.

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