IL119773A - Systems and methods of determining focal spot x-axis position from projection data - Google Patents
Systems and methods of determining focal spot x-axis position from projection dataInfo
- Publication number
- IL119773A IL119773A IL11977396A IL11977396A IL119773A IL 119773 A IL119773 A IL 119773A IL 11977396 A IL11977396 A IL 11977396A IL 11977396 A IL11977396 A IL 11977396A IL 119773 A IL119773 A IL 119773A
- Authority
- IL
- Israel
- Prior art keywords
- systems
- methods
- projection data
- axis position
- focal spot
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/52—Target size or shape; Direction of electron beam, e.g. in tubes with one anode and more than one cathode
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/577,559 US5706326A (en) | 1995-12-22 | 1995-12-22 | Systems and methods of determining focal spot x-axis position from projection data |
Publications (2)
Publication Number | Publication Date |
---|---|
IL119773A0 IL119773A0 (en) | 1997-03-18 |
IL119773A true IL119773A (en) | 1999-06-20 |
Family
ID=24309240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL11977396A IL119773A (en) | 1995-12-22 | 1996-12-06 | Systems and methods of determining focal spot x-axis position from projection data |
Country Status (4)
Country | Link |
---|---|
US (1) | US5706326A (de) |
JP (1) | JPH09276260A (de) |
DE (1) | DE19651125A1 (de) |
IL (1) | IL119773A (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6280084B1 (en) * | 1998-08-25 | 2001-08-28 | General Electric Company | Methods and apparatus for indirect high voltage verification in an imaging system |
US6185275B1 (en) * | 1998-08-25 | 2001-02-06 | General Electric Company | Systems and methods for correcting focal spot thermal drift |
US6094469A (en) * | 1998-10-21 | 2000-07-25 | Analogic Corporation | Computed tomography system with stable beam position |
US6385279B1 (en) * | 1999-08-27 | 2002-05-07 | General Electric Company | Methods and apparatus for positioning a CT imaging x-ray beam |
JP4535578B2 (ja) * | 2000-08-03 | 2010-09-01 | 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 | X線ctシステム及び操作コンソール及び制御方法及び記憶媒体 |
DE10048775B4 (de) * | 2000-09-29 | 2006-02-02 | Siemens Ag | Röntgen-Computertomographieeinrichtung |
US6647095B2 (en) * | 2002-04-02 | 2003-11-11 | Ge Medical Systems Global Technology Co., Llc | Method and apparatus for optimizing dosage to scan subject |
US6895079B2 (en) * | 2002-08-20 | 2005-05-17 | General Electric Company | Multiple focal spot X-ray inspection system |
US6866419B2 (en) * | 2003-03-12 | 2005-03-15 | Ge Medical Systems Global Technology Company Llc | Methods and apparatus for motion correction in imaging systems |
US6954516B2 (en) * | 2003-03-14 | 2005-10-11 | Ge Medical Systems Global Technology Company, Llc | Imaging systems and methods |
JP2005040582A (ja) * | 2003-07-07 | 2005-02-17 | Ge Medical Systems Global Technology Co Llc | X線ct撮像方法およびx線ct装置 |
US7286639B2 (en) * | 2003-12-12 | 2007-10-23 | Ge Medical Systems Global Technology Company, Llc | Focal spot sensing device and method in an imaging system |
US7453987B1 (en) * | 2004-03-04 | 2008-11-18 | Science Applications International Corporation | Method and system for high energy, low radiation power X-ray imaging of the contents of a target |
JP4512187B2 (ja) * | 2004-07-06 | 2010-07-28 | 株式会社日立メディコ | X線計測装置 |
US20080159477A1 (en) * | 2006-12-29 | 2008-07-03 | General Electric Company | System and method for radiographic inspection without a-priori information of inspected object |
US7901136B2 (en) | 2008-11-19 | 2011-03-08 | Morpho Detection, Inc. | Methods and system for calibrating and correcting a detection system |
US8314394B1 (en) | 2009-11-04 | 2012-11-20 | Science Applications International Corporation | System and method for three-dimensional imaging using scattering from annihilation coincidence photons |
CN107753054B (zh) * | 2017-12-04 | 2021-06-18 | 上海联影医疗科技股份有限公司 | 图像校正方法、装置、ct系统及存储介质 |
US10898159B2 (en) | 2019-01-11 | 2021-01-26 | General Electric Company | X-ray imaging system use and calibration |
CN113749676B (zh) * | 2020-10-20 | 2024-07-12 | 宽腾(北京)医疗器械有限公司 | 一种实现ct精确校直的方法 |
CN112617876B (zh) * | 2020-12-31 | 2024-01-09 | 上海联影医疗科技股份有限公司 | 球管的焦点定位方法、射线探测装置和电子装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4559639A (en) * | 1982-11-22 | 1985-12-17 | General Electric Company | X-Ray detector with compensation for height-dependent sensitivity and method of using same |
US4812983A (en) * | 1985-01-03 | 1989-03-14 | General Electric Company | Method and means of correcting for a shift in the center of rotation of a rotating fan beam CT system |
US4991189A (en) * | 1990-04-16 | 1991-02-05 | General Electric Company | Collimation apparatus for x-ray beam correction |
US5131021A (en) * | 1991-06-21 | 1992-07-14 | General Electric Company | Computed tomography system with control and correction of fan beam position |
-
1995
- 1995-12-22 US US08/577,559 patent/US5706326A/en not_active Expired - Fee Related
-
1996
- 1996-12-06 IL IL11977396A patent/IL119773A/xx not_active IP Right Cessation
- 1996-12-09 DE DE19651125A patent/DE19651125A1/de not_active Withdrawn
- 1996-12-20 JP JP8340296A patent/JPH09276260A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE19651125A1 (de) | 1997-06-26 |
JPH09276260A (ja) | 1997-10-28 |
US5706326A (en) | 1998-01-06 |
IL119773A0 (en) | 1997-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
KB | Patent renewed | ||
RH1 | Patent not in force |