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Development of a 3D CT-Scanner Using a Cone Beam and Video-Fluoroscopic System
https://repo.qst.go.jp/records/44373
https://repo.qst.go.jp/records/4437327803cfa-6ad4-46c8-9961-9667b2c31ada
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2006-06-29 | |||||
タイトル | ||||||
タイトル | Development of a 3D CT-Scanner Using a Cone Beam and Video-Fluoroscopic System | |||||
言語 | ||||||
言語 | jpn | |||||
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 |
遠藤, 真広
× 遠藤, 真広× 吉田, 勝哉× 日下部, 正宏× 舘野, 之男× その他× 遠藤 真広× 吉田 勝哉× 日下部 正宏× 舘野 之男 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We describe the design and implementation of a system that acquires three-dimensional (3D) data of high-contrast objects such as bone, lung, and blood vessels (enhanced by contrast agent). This 3D computed tomography (CT) system is based on a cone beam and video-fluoroscopic system and yields data that is amenable to 3D image processing. An X-ray tube and a large area two-dimensional detector were mounted on a single frame and rotated around objects in 12 seconds. The large area detector consisted of a fluorescent plate and a charge coupled device (CCD) video camera. While tha X-ray tube was rotated around the object, a pulsed X-ray was generated (30 pulses per second) and 360 projected images were collected in a 12-second scan. A 256x256x256 matrix image was reconstructed using a high-speed parallel processor. Reconstruction required approximately 6 minutes. Two volunteers under-went scans of the head or chest. High-contrast objects such as bronchial, vascular, and mediastinal structures in the thorax, or bones ans air cavities in the head were delineated in a "real" 3D format. Our 3D CT-scanner appears to produce data useful for clinical imaging and 3D image processing. | |||||
書誌情報 |
Radiation Medicine 巻 16, 号 1, p. 7-12, 発行日 1998 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0288-2043 |