Journal of Applied Optics, Volume. 44, Issue 2, 314(2023)
Electroluminescence image enhancement technology of half-cut photovoltaic module based on DCGANs
Figures & Tables(16)
Fig. 4. EL images generated during training and captured EL images
Fig. 5. Comparison of generated images before and after attribute control
Fig. 8. Change curve of MSE, PSNR, MS-SSIM indexes with training steps
Fig. 10. Change curve of accuracy of test set with the number of generated images in training set
Table 1. Specific types and quantity of training samples
View tableView in ArticleTable 1. Specific types and quantity of training samples
缺陷类型 样本数量 隐裂 线性隐裂 387 交叉状裂 228 断栅 / 345 破角 / 132 虚焊 平行主栅暗块 194 边缘条状暗块 127 角落单块暗块 136 正常无缺陷 / 200
Table 2. Attribute control of normal no-defect images
View tableView in ArticleTable 2. Attribute control of normal no-defect images
右上存在倒角图像数量 右上不存在倒角图像数量 0 96 104 1 194 6 2 200 0 −1 12 188 −2 0 200
Table 3. Attribute control of false soldering-corner single dark block images
View tableView in ArticleTable 3. Attribute control of false soldering-corner single dark block images
右上存在暗块图像数量 右上不存在暗块图像数量 0 67 133 1 196 4 2 200 0 −1 15 185 −2 0 200
Table 4. Controllable image attributes
View tableView in ArticleTable 4. Controllable image attributes
缺陷类型 可控制的图像属性 隐裂 线性隐裂 倒角位置 交叉状隐裂 倒角位置 断栅 / 倒角位置 破角 / 倒角位置、破角位置（四角） 虚焊 平行主栅暗块 倒角位置、暗块位置（位于某主栅处） 边缘条状暗块 倒角位置、暗块位置（位于左或右） 角落单块暗块 倒角位置、暗块位置（位于四角） 正常无缺陷 / 倒角位置
Table 5. MS-SSIM values of generated EL images and captured EL images
View tableView in ArticleTable 5. MS-SSIM values of generated EL images and captured EL images
图像类型 MS-SSIM 线性隐裂 0.6929 交叉状隐裂 0.6818 断栅 0.6960 破角 0.6917 虚焊-平行主栅暗块 0.5541 虚焊-边缘条状暗块 0.6636 虚焊-角落单块暗块 0.7122 正常无缺陷 0.7097
Table 6. Data composition and results of training model
View tableView in ArticleTable 6. Data composition and results of training model
训练编号 训练集组成 测试集组成 测试集准确率/% 1 拍摄图像500张 拍摄图像432张 61.57 2 拍摄图像500张+ 生成图像1000张 拍摄图像432张 87.50 3 拍摄图像500张+ 生成图像2500张 拍摄图像432张 94.21 4 拍摄图像500张+ 生成图像3500张 拍摄图像432张 95.14 5 拍摄图像500张+ 生成图像5000张 拍摄图像432张 96.53 6 拍摄图像500张+ 生成图像6000张 拍摄图像432张 97.92
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Xiang HE. Electroluminescence image enhancement technology of half-cut photovoltaic module based on DCGANs[J]. Journal of Applied Optics, 2023, 44(2): 314
Paper Information
Category: Research Articles
Received: May. 16, 2022
Accepted: --
Published Online: Apr. 14, 2023
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