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Study on pixel intensity correction in projection transform of an all-sky auroral image
https://doi.org/10.15094/00004237
https://doi.org/10.15094/0000423729c33bbd-fe6a-46dd-9ae6-c68264dc3a92
名前 / ファイル | ライセンス | アクション |
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1998-01-01 | |||||
タイトル | ||||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00004237 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Yang, Hoigen
× Yang, Hoigen× Liu, Ruiyuan× Sato, Natsuo |
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著者所属(英) | ||||||
en | ||||||
Polar Research Institute of China/Polar Research Institute of China/National Institute of Polar Research | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The algorithm now in use for the projection of an all-sky auroral image onto the geomagnetic/geographic coordinates is summarized in a matrix form and inspected in this note. It is found that in existing projection transforms, pixel intensity has not been corrected at all, and an assumption has been adopted that aurora luminosity is confined in a thin layer of the ionosphere. Under this assumption, namely, that aurora appears in a thin layer of the ionosphere, an expression for pixel intensity correction in a projection of an all-sky auroral image onto the geomagnetic/geographic coordinates is explicitly derived, in which the visual enhancement due to the all-sky imaging geometry and the extinction due to the atmospheric absorption are concerned. The correction may be represented by a diagonal matrix, and should be added to the existing algorithm. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756224 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Upper Atmosphere Physics 巻 11, p. 55-60, 発行日 1998-01 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |