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濃度特徴を用いた胸部MDCT像からのスリガラス状陰影の自動抽出
http://hdl.handle.net/10228/4735
http://hdl.handle.net/10228/47359d4e5525-df95-48a7-a477-329f991d33ae
名前 / ファイル | ライセンス | アクション |
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110006967922.pdf (726.5 kB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||||||||
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公開日 | 2010-11-19 | |||||||||||||||||
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 | journal article | |||||||||||||||||
タイトル | ||||||||||||||||||
言語 | ja | |||||||||||||||||
タイトル | 濃度特徴を用いた胸部MDCT像からのスリガラス状陰影の自動抽出 | |||||||||||||||||
タイトル | ||||||||||||||||||
言語 | en | |||||||||||||||||
タイトル | Automatic detection of ground glass opacity by use of the density features on multi detector-row CT images | |||||||||||||||||
言語 | ||||||||||||||||||
言語 | jpn | |||||||||||||||||
著者 |
金, 亨燮
× 金, 亨燮
WEKO
402
× 板井, 善則× タン, ジュークイ
WEKO
399
× 石川, 聖二 |
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抄録 | ||||||||||||||||||
内容記述タイプ | Abstract | |||||||||||||||||
内容記述 | 近年医療分野では,CTやMRIなどの画像情報を用いた, コンピュータ画像診断に関する研究が盛んに行われている.その中でも,胸部マルチスライスCT画像からのスリガラス状陰影の抽出は重要であるが,スリガラス状陰影の場合,他の結節影などに比べ,淡い濃度値を示すため,単純な処理では抽出が困難である.本論文では,胸部CT画像からの,スリガラス状陰影の抽出を目的とするCADシステムの開発を行う.本稿では,微小なスリガラス状陰影の形状ではなく,主として濃度分布に着目した特徴量を用いる.提案法ではまず,第一段階として原画像より肺野領域を自動抽出する.次に,血管,空気領域を除去し,スライス間相関による,第1次病変部候補領域の抽出を行う.最後に,濃度特徴量を用いた判別分析を行うことにより,最終的な病変部候補領域を得る.提案法を32症例のマルチスライスCT画像セットに適用し,71.7% の平均識別率を得た. | |||||||||||||||||
言語 | ja | |||||||||||||||||
抄録 | ||||||||||||||||||
内容記述タイプ | Abstract | |||||||||||||||||
内容記述 | Automatic detection of abnormal shadow area on a multi detector CT image is important task under developing a computer aided diagnosis system. Ground glass opacity is one of the important features in lung cancer diagnosis of computer aided diagnosis. It may be seen as diffuse or more often as patchy in distribution taking sometimes a geographic or mosaic distribution. A large number of diseases can be associated with GGO on CT image. We propose a technique for automatic detection of ground glass opacity from the segmented lung regions by computer based on a set of the thoracic CT images. In this paper, we segment the lung region for extraction of the region of interest employing binarization and labeling process from the inputted each slices images. The region having the largest area is regarded as the tentative lung regions. Furthermore, the ground glass opacity is classified by correlation distribution on the successive slice from the extracted lung region with respect to the thoracic CT images. Experiment is performed employing 32 thoracic CT image sets and 71.7% of recognition rates were achieved. Some experiment results are shown along with discussion. | |||||||||||||||||
言語 | en | |||||||||||||||||
書誌情報 |
ja : バイオメディカル・ファジィ・システム学会誌 en : Journal of Biomedical Fuzzy Systems Association 巻 10, 号 2, p. 57-63, 発行日 2008-10-05 |
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出版社 | ||||||||||||||||||
言語 | ja | |||||||||||||||||
出版者 | バイオメディカル・ファジィ・システム学会 | |||||||||||||||||
DOI | ||||||||||||||||||
関連タイプ | isIdenticalTo | |||||||||||||||||
識別子タイプ | DOI | |||||||||||||||||
関連識別子 | https://doi.org/10.24466/jbfsa.10.2_57 | |||||||||||||||||
CRID | ||||||||||||||||||
関連タイプ | isIdenticalTo | |||||||||||||||||
識別子タイプ | URI | |||||||||||||||||
関連識別子 | https://cir.nii.ac.jp/crid/1390282679450949888 | |||||||||||||||||
NCID | ||||||||||||||||||
収録物識別子タイプ | NCID | |||||||||||||||||
収録物識別子 | AA1145146X | |||||||||||||||||
ISSN | ||||||||||||||||||
収録物識別子タイプ | EISSN | |||||||||||||||||
収録物識別子 | 2424-2578 | |||||||||||||||||
ISSN | ||||||||||||||||||
収録物識別子タイプ | PISSN | |||||||||||||||||
収録物識別子 | 1345-1537 | |||||||||||||||||
著作権関連情報 | ||||||||||||||||||
権利情報 | バイオメディカル・ファジィ・システム学会. 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 | スリガラス状陰影 | |||||||||||||||||
キーワード | ||||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | コンピュータ画像診断支援 | |||||||||||||||||
キーワード | ||||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | 胸部CT画像 | |||||||||||||||||
キーワード | ||||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | Gaborフィルタ | |||||||||||||||||
キーワード | ||||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | Ground Glass Opacity | |||||||||||||||||
キーワード | ||||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | Computer Aided Diagnosis | |||||||||||||||||
キーワード | ||||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | Thoracic MDCT Image | |||||||||||||||||
キーワード | ||||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | Gabor Filter | |||||||||||||||||
出版タイプ | ||||||||||||||||||
出版タイプ | VoR | |||||||||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||||||
査読の有無 | ||||||||||||||||||
値 | yes | |||||||||||||||||
業績ID | ||||||||||||||||||
3A38294AB817A10E492576400010382D |