JP5233029B2 - コンプトンカメラ - Google Patents
コンプトンカメラ Download PDFInfo
- Publication number
- JP5233029B2 JP5233029B2 JP2008213928A JP2008213928A JP5233029B2 JP 5233029 B2 JP5233029 B2 JP 5233029B2 JP 2008213928 A JP2008213928 A JP 2008213928A JP 2008213928 A JP2008213928 A JP 2008213928A JP 5233029 B2 JP5233029 B2 JP 5233029B2
- Authority
- JP
- Japan
- Prior art keywords
- compton
- camera
- image
- radiation source
- radiation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/24—Measuring radiation intensity with semiconductor detectors
- G01T1/249—Measuring radiation intensity with semiconductor detectors specially adapted for use in SPECT or PET
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/24—Measuring radiation intensity with semiconductor detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/24—Measuring radiation intensity with semiconductor detectors
- G01T1/242—Stacked detectors, e.g. for depth information
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Nuclear Medicine (AREA)
- Measurement Of Radiation (AREA)
Description
また、前記特定手段は、前記投影像の重なりの度合いが大きい部分を前記放射線源の位置として抽出することができる。
12a カメラヘッド
12b カメラヘッド
14 制御部
16 入力装置
18 表示装置
20 放射線源
Claims (2)
- 対象物から放出された放射線を検出することが可能な位置に配置されると共に、各々放射線によるコンプトン散乱を検出して検出データを出力する複数の検出器と、
前記複数の検出器の各々から出力された前記検出データの各々から得られるコンプトン円錐を二次元平面に投影した投影像を用いて、放射線源が存在しない領域を排除した三次元空間を特定する特定手段と、
前記複数の検出器の各々から出力された前記検出データの各々から得られるコンプトン円錐を、前記特定手段で特定された三次元空間に投影する投影手段と、
前記投影手段で投影された位置の重なりの度合いが大きい部分を抽出して前記放射線源に基づく画像を再構成する再構成手段と、を含み、
前記検出器によって、被検体に注入した薬剤に含まれる核種から放出される放射線を検出し、前記再構成手段によって前記被検体の診断画像を再構成するようにした
コンプトンカメラ。 - 前記特定手段は、前記投影像の重なりの度合いが大きい部分を前記放射線源の位置として抽出する請求項1記載のコンプトンカメラ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008213928A JP5233029B2 (ja) | 2008-08-22 | 2008-08-22 | コンプトンカメラ |
US13/059,715 US8742360B2 (en) | 2008-08-22 | 2009-08-21 | Compton camera |
PCT/JP2009/064671 WO2010021387A1 (ja) | 2008-08-22 | 2009-08-21 | コンプトンカメラ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008213928A JP5233029B2 (ja) | 2008-08-22 | 2008-08-22 | コンプトンカメラ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010048699A JP2010048699A (ja) | 2010-03-04 |
JP5233029B2 true JP5233029B2 (ja) | 2013-07-10 |
Family
ID=41707261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008213928A Active JP5233029B2 (ja) | 2008-08-22 | 2008-08-22 | コンプトンカメラ |
Country Status (3)
Country | Link |
---|---|
US (1) | US8742360B2 (ja) |
JP (1) | JP5233029B2 (ja) |
WO (1) | WO2010021387A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6550699B2 (ja) | 2014-08-04 | 2019-07-31 | 三菱重工業株式会社 | コンプトンカメラ用検出器及びコンプトンカメラ |
WO2016035706A1 (ja) * | 2014-09-05 | 2016-03-10 | 国立研究開発法人理化学研究所 | 画像化装置及び方法 |
EP3314304A4 (en) | 2015-06-25 | 2019-05-08 | University of Maryland, Baltimore | TECHNIQUES FOR PRODUCING IMAGE OF RADIOACTIVE EMISSIONS USING A COMPTON CAMERA |
CZ29250U1 (cs) * | 2016-01-29 | 2016-03-08 | Advacam S.R.O. | Vrstvený pixelový detektor ionizujícího záření |
CN112512427B (zh) | 2018-08-07 | 2024-05-24 | 美国西门子医疗系统股份有限公司 | 用于医学成像的自适应康普顿摄像机 |
WO2020032922A1 (en) | 2018-08-07 | 2020-02-13 | Siemens Medical Solutions Usa, Inc. | Multi-modal compton and single photon emission computed tomography medical imaging system |
ES2943255T3 (es) | 2018-08-07 | 2023-06-12 | Siemens Medical Solutions Usa Inc | Cámara Compton con módulos de detección segmentados |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06201832A (ja) * | 1992-12-28 | 1994-07-22 | Toshiba Corp | シンチレーションカメラ |
US5532490A (en) * | 1994-12-27 | 1996-07-02 | The University Of Utah | Displaced center-of-rotation fan-beam tomography for cardiac imaging |
US5841141A (en) * | 1997-06-03 | 1998-11-24 | The University Of Utah | Image reconstruction from V-projections acquired by Compton camera |
US6484051B1 (en) * | 2001-05-15 | 2002-11-19 | James Daniel | Coincident multiple compton scatter nuclear medical imager |
JP2005208057A (ja) | 2003-12-26 | 2005-08-04 | Institute Of Physical & Chemical Research | ガンマ線検出器及びガンマ線撮像装置 |
JPWO2007145154A1 (ja) * | 2006-06-14 | 2009-10-29 | 株式会社日立メディコ | コンプトンカメラ装置 |
-
2008
- 2008-08-22 JP JP2008213928A patent/JP5233029B2/ja active Active
-
2009
- 2009-08-21 US US13/059,715 patent/US8742360B2/en not_active Expired - Fee Related
- 2009-08-21 WO PCT/JP2009/064671 patent/WO2010021387A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US20110260071A1 (en) | 2011-10-27 |
WO2010021387A1 (ja) | 2010-02-25 |
US8742360B2 (en) | 2014-06-03 |
JP2010048699A (ja) | 2010-03-04 |
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