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インパルス性雑音除去へのウェーブレット変換の応用
https://nagano-nct.repo.nii.ac.jp/records/207
https://nagano-nct.repo.nii.ac.jp/records/207ed6648be-4464-459e-b6e9-c0cf830187e9
名前 / ファイル | ライセンス | アクション |
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nagano_nct-36-07.pdf (706.0 kB)
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Item type | Departmental Bulletin Paper(1) | |||||
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公開日 | 2013-02-19 | |||||
タイトル | ||||||
タイトル | インパルス性雑音除去へのウェーブレット変換の応用 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 雑音除去 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | インパルス性雑音 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ウェーブレット理論 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ファジィ推論 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | メディアンフィルタ | |||||
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 | |||||
その他(別言語等)のタイトル | ||||||
その他のタイトル | A Noise Reduction Method Using Wavelet Transform | |||||
著者 |
宮崎, 敬
× 宮崎, 敬 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | An impulsive noise, one of some noises included in a picture image, is a factor depressing image quality. In image processing, it is an important process to reduce such a noise in a picture image. The median filter and the improvement type median filter are effective against the elimination of this impulsive noise. But it is not sufficient in respect to the depreciation of image quality, or preservation of detailed edges. In this paper, the conditional median filter which uses a wavelet transformation and a fuzzy reasoning is proposed. This median filter is based on a impulsive noise being obtained as one of high frequency components, because the power difference of an impulsive noise compared to surrounding pixels is large. Finally, the method using the fixed threshold and the method using the fuzzy reasoning were compared to the conventional method, and then it turned out that the method using the fuzzy reasoning was most effective. | |||||
書誌情報 |
長野工業高等専門学校紀要 巻 36, p. 29-34, 発行日 2002-06-28 |
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出版者 | ||||||
出版者 | 長野工業高等専門学校 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0286-1909 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00179170 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |