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確率共鳴を利用したコントラスト分解能の改善(医用画像とIMQ一般)
http://hdl.handle.net/2237/23660
5b435b2a-c99c-4eeb-b887-0b68f02e6b12
名前 / ファイル | ライセンス | アクション | |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2016-02-29 | |||||
タイトル | ||||||
タイトル | 確率共鳴を利用したコントラスト分解能の改善(医用画像とIMQ一般) | |||||
その他のタイトル | ||||||
その他のタイトル | Improvement of Contrast Resolution Using Stochastic Resonance | |||||
著者 |
山元, 勇輝
× 山元, 勇輝× 藤井, 啓輔× 高瀬, 郁子× 遠地, 志太× 川浦, 稚代× 森, 政樹× 池田, 充× 今井, 國治× Yamamoto, Yuki× Fujii, Keisuke× Takase, Ikuko× Enchi, Yukihiro× Kawaura, Chiyo× Mori, Masaki× Ikeda, Mitsuru× Imai, Kuniharu |
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権利 | ||||||
権利情報 | (c)一般社団法人電子情報通信学会 本文データは学協会の許諾に基づきCiNiiから複製したものである | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 確率共鳴 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | コントラスト分解能 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ノイズ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Stochastic Resonance | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Contrast Resolution | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Noise | |||||
抄録 | ||||||
内容記述 | 近年,確率共鳴と呼ばれる現象が非線形システム内で発見され,これを応用する研究が様々な分野で行われるようになってきた.そこで本研究では,X線CT画像において確率共鳴が発現するのかどうかについて検討した.その結果,白色ノイズの付加によって,確率共鳴現象がCT画像上で発現することがわかった.さらに、コントラストと付加ノイズとの関係において,コントラスト分解能を最大にするノイズ強度の存在も明らかとなった.Recently, phenomenon called Stochastic Resonance was found in a nonlinear system, and has been applied for many researches in various fields. In this study, we have verified that Stochastic Resonance appeared in CT images by adding white-Gaussian noise to CT images. Furthermore, we have also evaluated relationship between contrast and noise intensity added to CT images, and found the suitable noise intensity which maximizes the contrast resolution in CT images. | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
出版者 | 一般社団法人電子情報通信学会 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0913-5685 | |||||
書誌情報 |
電子情報通信学会技術研究報告. IMQ, イメージ・メディア・クオリティ 巻 113, 号 250, p. 7-10, 発行日 2013-10-11 |
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著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://ci.nii.ac.jp/naid/110009782981/ | |||||
識別子タイプ | URI | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/23660 | |||||
識別子タイプ | HDL |