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複数モデルの動的選択に基づく気管支枝名自動対応付け手法
http://hdl.handle.net/2237/12700
3dada4fa-4cf5-460a-b044-9bc900ce3e83
| 名前 / ファイル | ライセンス | アクション | |
|---|---|---|---|
j91-d_7_1851.pdf (1.2 MB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2010-02-17 | |||||
| タイトル | ||||||
| タイトル | 複数モデルの動的選択に基づく気管支枝名自動対応付け手法 | |||||
| その他のタイトル | ||||||
| その他のタイトル | A Method for Automated Nomenclature of Bronchial Branches Based on Dynamic Selection of Multiple Models | |||||
| 著者 |
江間, 慎弥
× 江間, 慎弥× 北坂, 孝幸× 森, 健策× 目加田, 慶人× 井手, 一郎× 村瀬, 洋× 末永, 康仁× 高畠, 博嗣× 森, 雅樹× 名取, 博 |
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| 権利 | ||||||
| 権利情報 | Copyright 2008 IEICE | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | 気管支 | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | 命名法 | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | 枝名対応付け | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | 胸部X線CT像 | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | 解剖学的名称 | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | 本論文では三次元胸部X線CT像から抽出された気管支枝への解剖学的名称の自動対応付け手法について述べる．これまでに提案された気管支枝への解剖学的名称の自動対応付け手法では，気管支の各部位ごとに複数のモデルを用意し，各部位ごとに入力された気管支枝とモデルとを比較し最適なモデルを選択し，そのモデルを用いて枝名の対応付けを行っていた．しかしながら，抽出された気管支枝とモデルの間で枝の走行方向の差異を各部位ごとに平均して評価するため，抽出された気管支と分岐パターンの異なるモデルを選択し，間違った枝名を対応づける問題があった．この問題を解決するために，本論文で示す手法では，気管支の中枢部から末梢に向けて枝の分岐ごとにモデルを評価し，枝名を対応づける．その際，分岐パターンが異なるモデルを選択候補から徐々にふるい落とす．また，枝の分岐パターンが多様な部位では，前処理としてランドマークとなる枝の走行方向を利用して，選択候補モデルを絞り込んだ後，モデルの選択を行う．提案手法を25例の胸部CT像から抽出した気管支に対して適用した．その結果，90％の枝に正しい枝名を対応づけることができ，従来手法に比べ枝名対応付けの精度が7.1％向上した． | |||||
| 出版者 | ||||||
| 出版者 | 電子情報通信学会 | |||||
| 言語 | ||||||
| 言語 | jpn | |||||
| 資源タイプ | ||||||
| 資源 | 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 | 1880-4535 | |||||
| 書誌情報 |
電子情報通信学会論文誌 巻 J91-D, 号 7, p. 1851-1861, 発行日 2008-07-01 |
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| フォーマット | ||||||
| application/pdf | ||||||
| 著者版フラグ | ||||||
| 値 | publisher | |||||
| URI | ||||||
| 識別子 | http://hdl.handle.net/2237/12700 | |||||
| 識別子タイプ | HDL | |||||
| URI | ||||||
| 識別子 | http://www.ieice.org/jpn/trans_online/index.html | |||||
| 識別子タイプ | URI | |||||
