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Four-dimensional computed tomography (4D CT) - Concepts and preliminary development
https://repo.qst.go.jp/records/44333
https://repo.qst.go.jp/records/44333fac076df-0031-4d9c-a702-2e5147d32057
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2006-06-23 | |||||
タイトル | ||||||
タイトル | Four-dimensional computed tomography (4D CT) - Concepts and preliminary development | |||||
言語 | ||||||
言語 | eng | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Endo, Masahiro
× Endo, Masahiro× Tsunoo, Takanori× Kandatsu, Susumu× Tanada, Shuji× Aradate, Hiroshi× Saito, Yasuo× 遠藤 真広× 角尾 卓紀× 神立 進× 棚田 修二 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Four-dimensional computed tomography (4D CT) is a dynamic volume imaging system of moving organs with an image quality comparable to that of conventional CT. 4D CT will be realized by several technical breakthroughs for dynamic cone-beam CT: (1) a large-area two-dimensional (2D) detecotr; (2) high-speed data transfer system; (3) reconstruction algorithms; (4) ultra-high-speed reconstruction computer; and (5) high-speed, continuously rotating gantry. Among these, development of the 2D detector is one of the main tasks because it should have as wide a dynamic range and as high a data acquisition speed (view rate) as present CT detectors. We are now developing a 4D CT scanner together with the key components. It will take one volume image in 0.5 sec with a 3D matrix of 512x512x512. This paper describes the concepts and designs of the 4D CT system, as well as preliminary development of the 2D detector. | |||||
書誌情報 |
Radiation Medicine 巻 21, 号 1, p. 17-22, 発行日 2003-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0288-2043 |