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成分選択的2次元フーリエ変換法の選択的利用法
https://chukyo-u.repo.nii.ac.jp/records/12560
https://chukyo-u.repo.nii.ac.jp/records/125600c04b8b7-7568-4815-8f29-fae1e1e83c71
名前 / ファイル | ライセンス | アクション |
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KJ00004205414.pdf (733.7 kB)
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Item type | [ELS]紀要論文 / Departmental Bulletin Paper_02(1) | |||||
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公開日 | 2016-11-17 | |||||
タイトル | ||||||
タイトル | 成分選択的2次元フーリエ変換法の選択的利用法 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | On a Selection Rule for utilizing the Component Selective Methods of Two-Dimensional Discrete Fourier Transform | |||||
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 | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00144529 | |||||
著者 |
輿水, 大和
× 輿水, 大和× KOSHIMIZU, Hiroyasu |
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著者所属(日) | ||||||
中京大学教養部 | ||||||
記事種別(日) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 論文 | |||||
記事種別(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Generally, all sepectrum components are simultaneously calculated in two-dimensional fast Fourier transform (2-D FFT) even when only a previously specified subset of them is required. Five typical methods for calculating such a subset of components are introduced and the properties of them and the relations among them are discussed from a viewpoint of the computation costs. One of those methods is effective in comparison with 2-D FFT method when s×t 〓 N. (log_2 (M×N) ? log_2N). (M, N : the size of image data, s×t : the number of specified components, 1〓s〓M, 1〓t〓N) Another method is always effective when s×t varies from 1×1 to M×N. The latter is less effective than the former when s×t〓(log_2 (M+N))/(M×N). The priority measure for the selection of the best method w. r. t. computation time is exactly made clear for 0〓(s×t)/(M×N)〓1. | |||||
書誌情報 |
中京大学教養論叢 en : Chukyo University bulletin of the Faculty of Liberal Arts 巻 28, 号 1, p. 53-71, 発行日 1987-06-15 |
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表示順 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 5 | |||||
アクセション番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | KJ00004205414 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 02867982 |