JP2008520257A5 - - Google Patents
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- JP2008520257A5 JP2008520257A5 JP2007535280A JP2007535280A JP2008520257A5 JP 2008520257 A5 JP2008520257 A5 JP 2008520257A5 JP 2007535280 A JP2007535280 A JP 2007535280A JP 2007535280 A JP2007535280 A JP 2007535280A JP 2008520257 A5 JP2008520257 A5 JP 2008520257A5
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- JP
- Japan
- Prior art keywords
- voxel
- footprint
- axial direction
- detector
- light density
- 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.)
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Links
- 230000005855 radiation Effects 0.000 claims 15
- 238000000034 method Methods 0.000 claims 12
- 238000003384 imaging method Methods 0.000 claims 4
- 230000001419 dependent effect Effects 0.000 claims 2
- 238000002591 computed tomography Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US61718704P | 2004-10-08 | 2004-10-08 | |
| US60/617,187 | 2004-10-08 | ||
| PCT/IB2005/053148 WO2006038142A1 (en) | 2004-10-08 | 2005-09-22 | Image reconstruction with voxel dependent interpolation |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008520257A JP2008520257A (ja) | 2008-06-19 |
| JP2008520257A5 true JP2008520257A5 (https=) | 2008-11-13 |
| JP5133690B2 JP5133690B2 (ja) | 2013-01-30 |
Family
ID=35395615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007535280A Expired - Fee Related JP5133690B2 (ja) | 2004-10-08 | 2005-09-22 | ボクセルに依存する補間を用いる画像再構成 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7672424B2 (https=) |
| EP (1) | EP1800264B1 (https=) |
| JP (1) | JP5133690B2 (https=) |
| CN (1) | CN101036164B (https=) |
| AT (1) | ATE460714T1 (https=) |
| DE (1) | DE602005019900D1 (https=) |
| WO (1) | WO2006038142A1 (https=) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005051620A1 (de) * | 2005-10-27 | 2007-05-03 | Siemens Ag | Verfahren zur Rekonstruktion einer tomographischen Darstellung eines Objektes |
| EP2234541B1 (en) | 2007-12-20 | 2016-05-04 | Koninklijke Philips N.V. | Stereo tube attenuation filter |
| US8116426B2 (en) * | 2008-11-11 | 2012-02-14 | Kabushiki Kaisha Toshiba | Computed tomography device and method using circular-pixel position-adaptive interpolation |
| JP5662447B2 (ja) * | 2009-08-20 | 2015-01-28 | コーニンクレッカ フィリップス エヌ ヴェ | 関心領域画像の再構成 |
| US8503750B2 (en) * | 2009-10-06 | 2013-08-06 | General Electric Company | Method and apparatus for reduction of metal artifacts in CT images |
| JP5960048B2 (ja) * | 2010-03-30 | 2016-08-02 | 株式会社日立製作所 | 再構成演算装置、再構成演算方法、及びx線ct装置 |
| US8787644B2 (en) * | 2011-06-14 | 2014-07-22 | Kabushiki Kaisha Toshiba | Method and device for calculating voxels defining a tube-of-response using a central-ray-filling algorithm |
| US8416914B2 (en) * | 2011-07-08 | 2013-04-09 | General Electric Company | System and method of iterative image reconstruction for computed tomography |
| TWI494897B (zh) * | 2012-11-20 | 2015-08-01 | Iner Aec Executive Yuan | 一種三維射束覓跡的投影方法 |
| CN104414670B (zh) * | 2013-08-29 | 2019-03-29 | Ge医疗系统环球技术有限公司 | 一种校正ct二维重建图像失真的方法、装置及ct机 |
| JP6362420B2 (ja) * | 2014-05-26 | 2018-07-25 | キヤノン株式会社 | 被検体情報取得装置、被検体情報取得方法、および、プログラム |
| JP2017099755A (ja) * | 2015-12-03 | 2017-06-08 | キヤノン株式会社 | 情報処理装置、画像再構成方法、およびプログラム |
| CN108352077B (zh) | 2016-03-31 | 2022-03-01 | 上海联影医疗科技股份有限公司 | 图像重建的系统和方法 |
| US10347014B2 (en) * | 2016-08-02 | 2019-07-09 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for image reconstruction |
| US11308662B2 (en) * | 2016-08-02 | 2022-04-19 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for image reconstruction |
| CN106373165B (zh) * | 2016-08-31 | 2017-11-28 | 广州华端科技有限公司 | 断层合成图像重建方法和系统 |
| KR20190118075A (ko) * | 2018-04-09 | 2019-10-17 | 삼성전자주식회사 | 단층 촬영 장치 및 그에 따른 단층 영상 처리 방법 |
| CN113499052B (zh) * | 2021-07-08 | 2024-09-27 | 中国科学院自动化研究所 | 磁纳米粒子成像系统矩阵测量的栅格状探测板及测量方法 |
| JP2024063439A (ja) * | 2022-10-26 | 2024-05-13 | 富士フイルムヘルスケア株式会社 | X線ct装置および断層画像生成方法 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5128864A (en) * | 1989-08-09 | 1992-07-07 | W. L. Systems, Inc. | Method for computing tomographic scans |
| US6047040A (en) * | 1994-07-29 | 2000-04-04 | Hu; Hui | Detector signal integration in volumetric CT scanner detector arrays |
| US5559335A (en) * | 1994-12-28 | 1996-09-24 | The University Of Utah | Rotating and warping projector/backprojector for converging-beam geometries |
| US5838756A (en) * | 1996-01-08 | 1998-11-17 | Kabushiki Kaisha Toshiba | Radiation computed tomography apparatus |
| DE19614223C1 (de) * | 1996-04-10 | 1997-12-04 | Siemens Ag | Bildrekonstruktionsverfahren für Mehrzeilendetektor-Computertomographen im Spiralbetrieb |
| JPH10290798A (ja) * | 1997-04-17 | 1998-11-04 | Ge Yokogawa Medical Syst Ltd | 投影データ測定方法および装置並びにx線ct装置 |
| EP1005631A2 (en) * | 1997-07-01 | 2000-06-07 | Analogic Corporation | Improved detector array geometry for helical scanning volumetric computed tomography system |
| US5960056A (en) * | 1997-07-01 | 1999-09-28 | Analogic Corporation | Method and apparatus for reconstructing volumetric images in a helical scanning computed tomography system with multiple rows of detectors |
| DE19806728A1 (de) * | 1998-02-18 | 1999-08-19 | Philips Patentverwaltung | Verfahren zur zweidimensionalen Abbildung von Strukturen für die medizinische Diagnostik |
| US6104775A (en) * | 1998-10-29 | 2000-08-15 | Picker International, Inc. | 3D image reconstruction for helical partial cone beam scanners using wedge beam transform |
| JP4267180B2 (ja) * | 2000-06-07 | 2009-05-27 | 株式会社日立メディコ | X線ct装置 |
| US6341154B1 (en) * | 2000-06-22 | 2002-01-22 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for fast CT imaging helical weighting |
| US6415013B1 (en) * | 2000-12-28 | 2002-07-02 | Ge Medical Systems Global Technology Company, Llc | Backprojection methods and apparatus for computed tomography imaging systems |
| US6418184B1 (en) * | 2000-12-29 | 2002-07-09 | Ge Medical Systems Global Technology Company, Llc | Helical rowwise view weighting of computed tomographic images |
| US6452996B1 (en) * | 2001-03-16 | 2002-09-17 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus utilizing generalized helical interpolation algorithm |
| JP4666129B2 (ja) * | 2001-07-30 | 2011-04-06 | 日本電気株式会社 | 発声速度正規化分析を用いた音声認識装置 |
| JP4106251B2 (ja) * | 2002-03-12 | 2008-06-25 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 3次元逆投影方法およびx線ct装置 |
| US7042975B2 (en) * | 2002-10-25 | 2006-05-09 | Koninklijke Philips Electronics N.V. | Four-dimensional helical tomographic scanner |
| DE10304662A1 (de) * | 2003-02-05 | 2004-08-19 | Siemens Ag | Verfahren zur Erzeugung von Bildern in der Computertomographie mit einem 3D-Bildrekonstruktionsverfahren |
| US7187747B2 (en) * | 2003-02-19 | 2007-03-06 | Koninklijke Philips Electronics N.V. | Computerized tomography method with helical relative movement and conical beam |
| JP3950101B2 (ja) * | 2003-10-06 | 2007-07-25 | 株式会社東芝 | X線コンピュータ断層撮影装置 |
-
2005
- 2005-09-22 CN CN2005800341575A patent/CN101036164B/zh not_active Expired - Fee Related
- 2005-09-22 JP JP2007535280A patent/JP5133690B2/ja not_active Expired - Fee Related
- 2005-09-22 DE DE602005019900T patent/DE602005019900D1/de not_active Expired - Lifetime
- 2005-09-22 US US11/575,902 patent/US7672424B2/en not_active Expired - Fee Related
- 2005-09-22 EP EP05784368A patent/EP1800264B1/en not_active Expired - Lifetime
- 2005-09-22 AT AT05784368T patent/ATE460714T1/de not_active IP Right Cessation
- 2005-09-22 WO PCT/IB2005/053148 patent/WO2006038142A1/en not_active Ceased
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