IL96320A - שיטה לסריק הליקאלית עם קרן מניפה תוך שימוש בריבינינג - Google Patents
שיטה לסריק הליקאלית עם קרן מניפה תוך שימוש בריבינינגInfo
- Publication number
- IL96320A IL96320A IL9632090A IL9632090A IL96320A IL 96320 A IL96320 A IL 96320A IL 9632090 A IL9632090 A IL 9632090A IL 9632090 A IL9632090 A IL 9632090A IL 96320 A IL96320 A IL 96320A
- Authority
- IL
- Israel
- Prior art keywords
- data
- projection set
- fan beam
- slice
- gantry
- Prior art date
Links
Classifications
-
- G06T12/10—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/440,530 US5216601A (en) | 1989-11-22 | 1989-11-22 | Method for fan beam helical scanning using rebinning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL96320A0 IL96320A0 (en) | 1991-08-16 |
| IL96320A true IL96320A (he) | 1995-12-08 |
Family
ID=23749125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9632090A IL96320A (he) | 1989-11-22 | 1990-11-13 | שיטה לסריק הליקאלית עם קרן מניפה תוך שימוש בריבינינג |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5216601A (he) |
| EP (1) | EP0430549B1 (he) |
| JP (1) | JPH0669452B2 (he) |
| CA (1) | CA2021623A1 (he) |
| DE (1) | DE69033923T2 (he) |
| IL (1) | IL96320A (he) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5454019A (en) * | 1991-03-15 | 1995-09-26 | Hitachi, Ltd. | Computed tomography system |
| EP0504855B1 (en) * | 1991-03-20 | 1998-06-10 | Kabushiki Kaisha Toshiba | X-ray computerized tomography apparatus |
| US5396528A (en) * | 1991-06-28 | 1995-03-07 | General Electric Company | Tomographic image reconstruction using cross-plane rays |
| US5469486A (en) * | 1992-08-07 | 1995-11-21 | General Electric Company | Projection domain reconstruction method for helical scanning computed tomography apparatus with multi-column detector array employing overlapping beams |
| US5524130A (en) * | 1992-08-28 | 1996-06-04 | Kabushiki Kaisha Toshiba | Computed tomography apparatus |
| US5406479A (en) * | 1993-12-20 | 1995-04-11 | Imatron, Inc. | Method for rebinning and for correcting cone beam error in a fan beam computed tomographic scanner system |
| US5469487A (en) * | 1993-12-30 | 1995-11-21 | General Electric Company | CT system with twin fan beam helical scan |
| US5515409A (en) * | 1994-12-22 | 1996-05-07 | General Electric Company | Helical interpolative algorithm for image reconstruction in a CT system |
| US5491735A (en) * | 1994-12-22 | 1996-02-13 | General Electric Company | Image reconstruction apparatus and method for helical scanning |
| US6408088B1 (en) * | 1995-12-21 | 2002-06-18 | General Electric Company | Methods and apparatus for single slice helical image reconstruction in a computed tomography system |
| US6091840A (en) * | 1995-12-21 | 2000-07-18 | General Electric Company | Methods and apparatus for single slice helical image reconstruction in a computed tomography system |
| DE19711963C2 (de) * | 1996-05-02 | 2000-04-13 | Siemens Ag | Verfahren zur Bildrekonstruktion bei einem Computertomographen |
| CN1107290C (zh) * | 1996-05-02 | 2003-04-30 | 西门子公司 | 计算机层析x射线摄影机的图像再现方法 |
| US6061422A (en) * | 1997-04-30 | 2000-05-09 | Hitachi Medical Corporation | X-ray ct apparatus and an image reconstructing method for obtaining a normal reconstructed image by adding weights to a plurality of partial reconstructed images |
| US6324242B1 (en) * | 1999-04-09 | 2001-11-27 | Arch Development Corporation | Fast reconstruction with uniform noise properties in half-scan tomography |
| US6639965B1 (en) * | 1999-09-30 | 2003-10-28 | General Electric Company | Methods and apparatus for cardiac imaging with conventional computed tomography |
| US6411670B1 (en) | 1999-11-17 | 2002-06-25 | General Electric Company | Data rebinning to increase resolution in CT image reconstruction |
| US6522712B1 (en) | 1999-11-19 | 2003-02-18 | General Electric Company | Reconstruction of computed tomographic images using interpolation between projection views |
| IL147000A0 (en) * | 2000-04-14 | 2002-08-14 | Gen Electric | Reconstruction of computed tomographic images using interpolation between projection views |
| US6452996B1 (en) | 2001-03-16 | 2002-09-17 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus utilizing generalized helical interpolation algorithm |
| US6999550B2 (en) * | 2004-02-09 | 2006-02-14 | Ge Medical Systems Global Technology | Method and apparatus for obtaining data for reconstructing images of an object |
| JP4498023B2 (ja) | 2004-06-15 | 2010-07-07 | キヤノン株式会社 | X線ct装置 |
| US20060020200A1 (en) * | 2004-07-08 | 2006-01-26 | Medow Joshua E | Artifact-free CT angiogram |
| US7583777B2 (en) | 2004-07-21 | 2009-09-01 | General Electric Company | Method and apparatus for 3D reconstruction of images |
| US7570733B2 (en) * | 2005-06-10 | 2009-08-04 | General Electric Company | Step-and-shoot cardiac CT imaging |
| US8218720B2 (en) * | 2007-03-12 | 2012-07-10 | Varian Medical Systems, Inc. | Method and apparatus to facilitate reconstructing an image using fan-beam data |
| JP6125148B2 (ja) | 2012-03-14 | 2017-05-10 | 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 | 画像生成方法、画像生成装置および放射線断層撮影装置並びにプログラム |
| JP5696963B2 (ja) | 2012-06-21 | 2015-04-08 | 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 | 画像生成方法、画像生成装置および放射線断層撮影装置並びにプログラム |
| CN103961122B (zh) | 2013-01-31 | 2018-07-31 | 通用电气公司 | 用于非等γ角CT系统中数据转换的方法和装置 |
| WO2020238818A1 (en) | 2019-05-24 | 2020-12-03 | Shanghai United Imaging Healthcare Co., Ltd. | Imaging systems and methods |
| CN110533738B (zh) * | 2019-09-02 | 2021-06-18 | 上海联影医疗科技股份有限公司 | 重建数据处理方法、装置、医学成像系统及存储介质 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284896A (en) * | 1979-08-24 | 1981-08-18 | General Electric Company | Computerized tomographic reconstruction method and system utilizing reflection |
| JPS59111738A (ja) * | 1982-12-16 | 1984-06-28 | 株式会社東芝 | X線断層撮影装置 |
| US4707822A (en) * | 1985-05-09 | 1987-11-17 | Kabushiki Kaisha Toshiba | Tomographic apparatus |
| US4789929A (en) * | 1987-05-14 | 1988-12-06 | Hitachi Medical Corporation | CT system for spirally scanning subject on a movable bed synchronized to X-ray tube revolution |
| NL8800321A (nl) * | 1988-02-10 | 1989-09-01 | Philips Nv | Computertomografie-inrichting voor spiraalsgewijze aftasting. |
| JPH0728862B2 (ja) * | 1989-02-13 | 1995-04-05 | 株式会社東芝 | Ct装置 |
-
1989
- 1989-11-22 US US07/440,530 patent/US5216601A/en not_active Expired - Lifetime
-
1990
- 1990-07-19 CA CA002021623A patent/CA2021623A1/en not_active Abandoned
- 1990-11-13 IL IL9632090A patent/IL96320A/he not_active IP Right Cessation
- 1990-11-21 DE DE69033923T patent/DE69033923T2/de not_active Expired - Fee Related
- 1990-11-21 EP EP90312638A patent/EP0430549B1/en not_active Expired - Lifetime
- 1990-11-22 JP JP2315692A patent/JPH0669452B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69033923D1 (de) | 2002-04-11 |
| IL96320A0 (en) | 1991-08-16 |
| CA2021623A1 (en) | 1991-05-23 |
| DE69033923T2 (de) | 2002-10-24 |
| EP0430549A3 (en) | 1992-05-20 |
| JPH03186250A (ja) | 1991-08-14 |
| JPH0669452B2 (ja) | 1994-09-07 |
| EP0430549B1 (en) | 2002-03-06 |
| US5216601A (en) | 1993-06-01 |
| EP0430549A2 (en) | 1991-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5216601A (en) | Method for fan beam helical scanning using rebinning | |
| US5270923A (en) | Computed tomographic image reconstruction method for helical scanning using interpolation of partial scans for image construction | |
| EP0428348B1 (en) | Helical scanning computed tomography | |
| US5046003A (en) | Method for reducing skew image artifacts in helical projection imaging | |
| US6256370B1 (en) | Method and apparatus for performing tomosynthesis | |
| US6452996B1 (en) | Methods and apparatus utilizing generalized helical interpolation algorithm | |
| EP0430550B1 (en) | Helical scan computed tomography | |
| EP0520778B1 (en) | Tomographic image reconstruction using cross-plane rays | |
| JPH08509408A (ja) | 円すい状ビームデータからの画像の再構成 | |
| US6381297B1 (en) | High pitch reconstruction of multislice CT scans | |
| US5170346A (en) | Method for reducing patient translation artifacts in tomographic imaging | |
| US7215734B2 (en) | Method and system for three-dimensional reconstruction of images | |
| US6522714B1 (en) | Row-wise full helical view weighting method and apparatus for CT scanners | |
| US5546439A (en) | Systems, methods and apparatus for incrementally reconstructing overlapped images in a CT system implementing a helical scan | |
| JPH0998968A (ja) | 物体の断層写真像を作成する方法及び装置 | |
| EP1295560B1 (en) | Helical scanning CT-apparatus with multi-row detector array |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees |