JP2003319932A5 - - Google Patents
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- JP2003319932A5 JP2003319932A5 JP2003089493A JP2003089493A JP2003319932A5 JP 2003319932 A5 JP2003319932 A5 JP 2003319932A5 JP 2003089493 A JP2003089493 A JP 2003089493A JP 2003089493 A JP2003089493 A JP 2003089493A JP 2003319932 A5 JP2003319932 A5 JP 2003319932A5
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- JP
- Japan
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/113532 | 2002-03-29 | ||
| US10/113,532 US6654442B2 (en) | 2002-03-29 | 2002-03-29 | Methods and apparatus for weighting projection data |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003319932A JP2003319932A (ja) | 2003-11-11 |
| JP2003319932A5 true JP2003319932A5 (enExample) | 2006-05-18 |
| JP4356061B2 JP4356061B2 (ja) | 2009-11-04 |
Family
ID=28041032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003089493A Expired - Fee Related JP4356061B2 (ja) | 2002-03-29 | 2003-03-28 | 投影データに加重する方法及び装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6654442B2 (enExample) |
| EP (1) | EP1351193A3 (enExample) |
| JP (1) | JP4356061B2 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6873675B2 (en) * | 2002-12-18 | 2005-03-29 | Ge Medical Systems Global Technology Company, Llc | Multi-sector back-off logic algorithm for obtaining optimal slice-sensitive computed tomography profiles |
| US7415145B2 (en) * | 2003-12-30 | 2008-08-19 | General Electric Company | Methods and apparatus for artifact reduction |
| US7050527B2 (en) * | 2004-02-09 | 2006-05-23 | G.E. Medical Systems Global Technology Company, Llc | Methods and apparatus for artifact reduction in cone beam CT image reconstruction |
| US20050201605A1 (en) * | 2004-03-11 | 2005-09-15 | Jianying Li | Methods and apparatus for CT smoothing to reduce artifacts |
| US7173996B2 (en) * | 2004-07-16 | 2007-02-06 | General Electric Company | Methods and apparatus for 3D reconstruction in helical cone beam volumetric CT |
| US8218720B2 (en) * | 2007-03-12 | 2012-07-10 | Varian Medical Systems, Inc. | Method and apparatus to facilitate reconstructing an image using fan-beam data |
| CN107260194B (zh) * | 2016-04-08 | 2020-08-28 | 山西锦地裕成医疗设备有限公司 | 用于正电子断层成像的方法和图像重建方法及系统 |
| JP6774813B2 (ja) * | 2016-08-12 | 2020-10-28 | 日本電子株式会社 | 画像処理装置、画像処理方法、および分析装置 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377250A (en) * | 1992-08-07 | 1994-12-27 | General Electric Company | Reconstruction method for helical scanning computed tomography apparatus with multi-row detector array |
| US5416815A (en) | 1993-07-02 | 1995-05-16 | General Electric Company | Adaptive filter for reducing streaking artifacts in x-ray tomographic images |
| US5515409A (en) | 1994-12-22 | 1996-05-07 | General Electric Company | Helical interpolative algorithm for image reconstruction in a CT system |
| DE19528261C1 (de) | 1995-08-01 | 1996-10-31 | Siemens Ag | Verfahren zur Bildrekonstruktion bei einem Computertomographen |
| US5727041A (en) | 1996-11-13 | 1998-03-10 | General Electric Company | Methods and apparatus for reducing partial volume image artifacts |
| US5812628A (en) | 1996-12-12 | 1998-09-22 | General Electric Company | Methods and apparatus for detecting partial volume image artifacts |
| US6014419A (en) * | 1997-11-07 | 2000-01-11 | Hu; Hui | CT cone beam scanner with fast and complete data acquistion and accurate and efficient regional reconstruction |
| US6115487A (en) | 1998-01-08 | 2000-09-05 | General Electric Company | Correction algorithm for bone-induced spectral artifacts in computed tomograph imaging |
| US6035012A (en) | 1998-05-14 | 2000-03-07 | Gen Electric | Artifact correction for highly attenuating objects |
| US6134292A (en) | 1998-07-13 | 2000-10-17 | General Electric Company | Methods and apparatus for reducing z-axis non-uniformity artifacts |
| US6061419A (en) | 1998-08-25 | 2000-05-09 | General Electric Company | Methods and apparatus for noise compensation in an imaging system |
| US6061420A (en) | 1998-08-25 | 2000-05-09 | General Electric Company | Methods and apparatus for graphical Rx in a multislice imaging system |
| US6215841B1 (en) | 1998-09-29 | 2001-04-10 | General Electric Company | Methods and apparatus for 3D artifact reduction |
| US6233308B1 (en) | 1999-03-19 | 2001-05-15 | General Electric Company | Methods and apparatus for artifact compensation with variable angular sampling |
| US6339632B1 (en) | 1999-12-23 | 2002-01-15 | Ge Medical Systems Global Technology Company, Llc | Multi slice single filtering helical weighting method and apparatus to use the same |
| US6341154B1 (en) * | 2000-06-22 | 2002-01-22 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for fast CT imaging helical weighting |
| US6418184B1 (en) * | 2000-12-29 | 2002-07-09 | Ge Medical Systems Global Technology Company, Llc | Helical rowwise view weighting of computed tomographic images |
| US6421411B1 (en) | 2001-05-10 | 2002-07-16 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for helical image artifact reduction |
-
2002
- 2002-03-29 US US10/113,532 patent/US6654442B2/en not_active Expired - Lifetime
-
2003
- 2003-03-27 EP EP03251937A patent/EP1351193A3/en not_active Withdrawn
- 2003-03-28 JP JP2003089493A patent/JP4356061B2/ja not_active Expired - Fee Related