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Image Restoration Technique by RLS Wiener Fixed-Point Smoother and Filter
http://hdl.handle.net/10232/8820
http://hdl.handle.net/10232/88204042cae6-dabe-4f36-a2ab-952a4d65bed0
名前 / ファイル | ライセンス | アクション |
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4_Nakamori.pdf (1.3 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-05-18 | |||||
タイトル | ||||||
タイトル | Image Restoration Technique by RLS Wiener Fixed-Point Smoother and Filter | |||||
著者 |
Nakamori, Seiichi
× Nakamori, Seiichi |
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別言語の著者 | ||||||
姓名 | 中森, 誠一 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Wiener-Hopf equation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | linear discrete-time systems | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | recursive Wiener filter | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | auto-covariance function | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | image restoration | |||||
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 | |||||
要約(Abstract) | ||||||
内容記述タイプ | Other | |||||
内容記述 | This paper proposes an image restoration technique by the recursive least-squares (RLS) Wiener fixed-point smoother and filter in linear discrete-time stochastic systems. The RLS Wiener estimators use the auto-covariance function of the signal,the system matrix φ for the n by 1 zero-mean signal vector s(i,j),which is obtained by subtracting the mean of the image signal x(i,j) from the signal values of the image,the variance of s(i,j) and the variance of the white observation noise. Here,for the two-dimensional zero-mean values s(i,j),i= 1,2,・・・,M,j=1,2,・・・,N,the n by 1 vector consisting of the components s(i,j), i=1,2,・・・,n,are estimated along the horizontal direction for j=1,2,・・・,N.Next,the n by 1 vector consisting of s(i,j),i=n+1,n+2,・・・,2n,are estimated,recursively from the left to the right column,similarly. This procedure is continued,at last,to the last columnj=N for the bottom n by 1 vector of s(i,j). Finally,the estimates of the image are obtained by adding the mean to the estimates of s(i,j). | |||||
収録雑誌名 |
鹿児島大学教育学部研究紀要. 自然科学編 en : Bulletin of the Faculty of Education, Kagoshima University. Natural science 巻 60, p. 29-38 |
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作成日 | ||||||
日付 | 2009-03-01 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
ISSN | 03896692 | |||||
NII書誌ID(雑誌) | ||||||
収録物識別子タイプ | NCID | |||||
NC ID | AN00408518 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NDC | ||||||
主題Scheme | NDC | |||||
主題 | 410 | |||||
公開者・出版者 | ||||||
出版者 | 鹿児島大学 | |||||
公開者よみ | ||||||
公開者よみ | カゴシマ ダイガク | |||||
公開者別名 | ||||||
公開者別名 | Kagoshima University |