A New Approach for the Regression of the Center Coordinates and Radius of the Solar Disk Using a Deep Convolutional Neural Network
文献类型：期刊论文
| 作者 | Zhu,Gaofei1,2; Lin,Ganghua2 ; Wang,Dongguang2; Yang,Xiao2
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| 刊名 | The Astrophysical Journal
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| 出版日期 | 2020-10-01 |
| 卷号 | 902期号:1 |
| 关键词 | Solar radius Solar physics Astronomy data analysis Convolutional neural networks Regression |
| ISSN号 | 0004-637X |
| DOI | 10.3847/1538-4357/abb2a0 |
| 英文摘要 | Abstract This paper presents a new approach for the regression of the center coordinates and radius of the solar disk in Hα solar full-disk images by using a Deep Convolutional Neural Network. We use ～100,000 original Hα solar full-disk images obtained from Huairou Solar Observing Station as the experimental data set. The data set includes two parts: the original image and three numeric values (center coordinates and radius). In order to deal with the uneven distribution of the solar disk position in the original image, we randomly shift the solar disk during image preprocessing. Furthermore, data augmentation is also used to increase the robustness of the model. By evaluating the model with R-square and relative error, the center coordinates and the radius of the solar disk are proved to be effectively regressed. The data sets we constructed and source code are available as open source on GitHub. |
| 语种 | 英语 |
| WOS记录号 | IOP:0004-637X-902-1-ABB2A0 |
| 出版者 | The American Astronomical Society |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/57582]  |
| 专题 | 中国科学院国家天文台 |
| 作者单位 | 1.University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China 2.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing 100012, People’s Republic of China |
| 推荐引用方式 GB/T 7714 | Zhu,Gaofei,Lin,Ganghua,Wang,Dongguang,et al. A New Approach for the Regression of the Center Coordinates and Radius of the Solar Disk Using a Deep Convolutional Neural Network[J]. The Astrophysical Journal,2020,902(1). |
| APA | Zhu,Gaofei,Lin,Ganghua,Wang,Dongguang,&Yang,Xiao.(2020).A New Approach for the Regression of the Center Coordinates and Radius of the Solar Disk Using a Deep Convolutional Neural Network.The Astrophysical Journal,902(1). |
| MLA | Zhu,Gaofei,et al."A New Approach for the Regression of the Center Coordinates and Radius of the Solar Disk Using a Deep Convolutional Neural Network".The Astrophysical Journal 902.1(2020). |
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