CN103648391B - 成像系统探测器校准 - Google Patents
成像系统探测器校准 Download PDFInfo
- Publication number
- CN103648391B CN103648391B CN201280034114.7A CN201280034114A CN103648391B CN 103648391 B CN103648391 B CN 103648391B CN 201280034114 A CN201280034114 A CN 201280034114A CN 103648391 B CN103648391 B CN 103648391B
- Authority
- CN
- China
- Prior art keywords
- source
- detector
- data
- radiation
- detector array
- 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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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/005—Details of radiation-measuring instruments calibration techniques
-
- 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
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- 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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4007—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4233—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
-
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
- A61B6/585—Calibration of detector units
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- High Energy & Nuclear Physics (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Optics & Photonics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- General Physics & Mathematics (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161506816P | 2011-07-12 | 2011-07-12 | |
| US61/506,816 | 2011-07-12 | ||
| PCT/IB2012/053565 WO2013008198A2 (en) | 2011-07-12 | 2012-07-12 | Imaging system detector calibration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103648391A CN103648391A (zh) | 2014-03-19 |
| CN103648391B true CN103648391B (zh) | 2016-08-17 |
Family
ID=46851539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280034114.7A Active CN103648391B (zh) | 2011-07-12 | 2012-07-12 | 成像系统探测器校准 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9268046B2 (https=) |
| EP (1) | EP2731504B1 (https=) |
| JP (1) | JP6114745B2 (https=) |
| CN (1) | CN103648391B (https=) |
| WO (1) | WO2013008198A2 (https=) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2976626A4 (en) * | 2013-03-22 | 2016-09-21 | Univ New York | COMPUTER ACCESSIBLE MEDIUM FOR MODULATING X-RAY INTENSITY |
| JP2014210047A (ja) * | 2013-04-18 | 2014-11-13 | 株式会社東芝 | X線ct装置 |
| US9903964B2 (en) * | 2014-05-02 | 2018-02-27 | Koninklike Philips N.V. | Method to calibrate a photon detector, absorption filter assembly and imaging apparatus |
| CN103951223B (zh) * | 2014-05-08 | 2016-05-04 | 宁波大学 | 稀土离子掺杂的Ba2CsI5微晶玻璃及其制备方法 |
| WO2016063725A1 (ja) * | 2014-10-22 | 2016-04-28 | 株式会社日立製作所 | データ処理装置、x線ct装置、及びリファレンス補正方法 |
| JP6464269B2 (ja) * | 2014-12-15 | 2019-02-06 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | Petシステム、デッドタイム補正因子の算出方法 |
| DE102015202999B4 (de) * | 2015-02-19 | 2019-12-05 | Siemens Healthcare Gmbh | Automatisierte Justierung von Signalanalyseparametern für Röntgendetektoren |
| US10725188B2 (en) * | 2015-10-20 | 2020-07-28 | Koninklijke Philips N.V. | Polarization correction for direct conversion x-ray detectors |
| US10226221B2 (en) * | 2016-08-30 | 2019-03-12 | Toshiba Medical Systems Corporation | Medical image processing method and apparatus |
| JP6890943B2 (ja) * | 2016-10-06 | 2021-06-18 | キヤノンメディカルシステムズ株式会社 | 放射線診断装置及び方法 |
| EP3533027B1 (en) * | 2016-10-28 | 2021-04-14 | Koninklijke Philips N.V. | Automatic ct detection and visualization of active bleeding and blood extravasation |
| CN107015267B (zh) * | 2017-06-09 | 2018-10-09 | 河北格物仪器设备有限公司 | 探测器增益校正系统及方法 |
| CN111051926B (zh) * | 2017-07-31 | 2024-01-30 | 株式会社岛津制作所 | 放射线检测器以及核医学诊断装置 |
| US10898159B2 (en) * | 2019-01-11 | 2021-01-26 | General Electric Company | X-ray imaging system use and calibration |
| US11547378B2 (en) | 2019-07-11 | 2023-01-10 | Canon Medical Systems Corporation | Apparatus and method combining deep learning (DL) with an X-ray computed tomography (CT) scanner having a multi-resolution detector |
| US11490872B2 (en) * | 2020-08-21 | 2022-11-08 | GE Precision Healthcare LLC | C-arm imaging system and method |
| CN118415666A (zh) * | 2023-01-31 | 2024-08-02 | 通用电气精准医疗有限责任公司 | X射线球管的校正方法及装置 |
| CN116612037B (zh) * | 2023-05-30 | 2026-04-14 | 北京航星机器制造有限公司 | 用于安检系统的图像生成方法及系统 |
| US20260033791A1 (en) * | 2024-07-30 | 2026-02-05 | Canon Medical Systems Corporation | Detector response correction method and apparatus for a photon counting x-ray imaging system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1989904A (zh) * | 2005-12-28 | 2007-07-04 | 株式会社日立制作所 | 核医学诊断装置 |
| CN101080653A (zh) * | 2004-12-17 | 2007-11-28 | 皇家飞利浦电子股份有限公司 | 用于连续探测器修正的脉冲x射线 |
| CN102089647A (zh) * | 2008-04-01 | 2011-06-08 | 皇家飞利浦电子股份有限公司 | 光谱探测器的校准 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5365683A (en) * | 1976-11-25 | 1978-06-12 | Toshiba Corp | Inspector for radioactive rays |
| US4472823A (en) | 1982-03-17 | 1984-09-18 | U.S. Philips Corporation | Computed tomography apparatus with detector sensitivity correction |
| JPH0938075A (ja) * | 1995-07-27 | 1997-02-10 | Shimadzu Corp | 放射線撮像装置 |
| US5828719A (en) * | 1996-12-23 | 1998-10-27 | General Electric Company | Methods and apparatus for modulating data acquisition system gain |
| US6064068A (en) | 1997-06-11 | 2000-05-16 | Institute Of Geological & Nuclear Sciences Ltd. | System and method for monitoring the stability of a scintillation detector |
| US6075835A (en) * | 1998-08-25 | 2000-06-13 | General Electric Company | Methods and apparatus for imaging system quality readiness check |
| DE60132826T2 (de) * | 2001-10-01 | 2009-02-05 | Koninklijke Philips Electronics N.V. | Verfahren und vorrichtung zum kalibrieren von röntgenstrahlendetektoren in einem computer tomographischen abbildungssystem |
| US7224763B2 (en) * | 2004-07-27 | 2007-05-29 | Analogic Corporation | Method of and system for X-ray spectral correction in multi-energy computed tomography |
| US7602951B2 (en) * | 2005-03-14 | 2009-10-13 | General Electric Company | Method and system for providing defective cell correction in a medical imaging device |
| WO2007008532A1 (en) | 2005-07-08 | 2007-01-18 | Wisconsin Alumni Research Foundation | Constrained backprojection reconstruction method for undersampled mri |
| US7755057B2 (en) | 2007-03-07 | 2010-07-13 | General Electric Company | CT gantry mounted radioactive source loader for PET calibration |
| WO2008126012A2 (en) | 2007-04-12 | 2008-10-23 | Philips Intellectual Property & Standards Gmbh | Determination of a spatial gain distribution of a scintillator |
| BRPI0821804A2 (pt) | 2007-12-20 | 2015-06-16 | Wisconsin Alumni Res Found | Método para reconstruir uma imagem de um indivíduo |
| ATE528733T1 (de) | 2007-12-20 | 2011-10-15 | Wisconsin Alumni Res Found | Verfahren für dynamische eingeschränkte bildrekonstruktion mit vorhergehendem bild |
| US8958524B2 (en) * | 2013-01-31 | 2015-02-17 | Analogic Corporation | Correction of projection data in radiation system |
-
2012
- 2012-07-12 US US14/129,720 patent/US9268046B2/en active Active
- 2012-07-12 CN CN201280034114.7A patent/CN103648391B/zh active Active
- 2012-07-12 JP JP2014519679A patent/JP6114745B2/ja active Active
- 2012-07-12 EP EP12759198.0A patent/EP2731504B1/en not_active Not-in-force
- 2012-07-12 WO PCT/IB2012/053565 patent/WO2013008198A2/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101080653A (zh) * | 2004-12-17 | 2007-11-28 | 皇家飞利浦电子股份有限公司 | 用于连续探测器修正的脉冲x射线 |
| CN1989904A (zh) * | 2005-12-28 | 2007-07-04 | 株式会社日立制作所 | 核医学诊断装置 |
| CN102089647A (zh) * | 2008-04-01 | 2011-06-08 | 皇家飞利浦电子股份有限公司 | 光谱探测器的校准 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014518147A (ja) | 2014-07-28 |
| US20140140469A1 (en) | 2014-05-22 |
| EP2731504B1 (en) | 2016-04-27 |
| EP2731504A2 (en) | 2014-05-21 |
| JP6114745B2 (ja) | 2017-04-12 |
| US9268046B2 (en) | 2016-02-23 |
| CN103648391A (zh) | 2014-03-19 |
| WO2013008198A3 (en) | 2013-03-28 |
| WO2013008198A2 (en) | 2013-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |