JP6114745B2 - 撮像システムの検出器の校正 - Google Patents

撮像システムの検出器の校正 Download PDF

Info

Publication number
JP6114745B2
JP6114745B2 JP2014519679A JP2014519679A JP6114745B2 JP 6114745 B2 JP6114745 B2 JP 6114745B2 JP 2014519679 A JP2014519679 A JP 2014519679A JP 2014519679 A JP2014519679 A JP 2014519679A JP 6114745 B2 JP6114745 B2 JP 6114745B2
Authority
JP
Japan
Prior art keywords
radiation source
detector
scan
preliminary
subject
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.)
Active
Application number
JP2014519679A
Other languages
English (en)
Japanese (ja)
Other versions
JP2014518147A5 (https=
JP2014518147A (ja
Inventor
ラズ カルミ
ラズ カルミ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of JP2014518147A publication Critical patent/JP2014518147A/ja
Publication of JP2014518147A5 publication Critical patent/JP2014518147A5/ja
Application granted granted Critical
Publication of JP6114745B2 publication Critical patent/JP6114745B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (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)
JP2014519679A 2011-07-12 2012-07-12 撮像システムの検出器の校正 Active JP6114745B2 (ja)

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 (3)

Publication Number Publication Date
JP2014518147A JP2014518147A (ja) 2014-07-28
JP2014518147A5 JP2014518147A5 (https=) 2015-08-20
JP6114745B2 true JP6114745B2 (ja) 2017-04-12

Family

ID=46851539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014519679A Active JP6114745B2 (ja) 2011-07-12 2012-07-12 撮像システムの検出器の校正

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 (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014153561A1 (en) * 2013-03-22 2014-09-25 New York University Computer accessible medium for modulating x-ray beam 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
CN106687045B (zh) * 2014-10-22 2019-08-13 株式会社日立制作所 数据处理装置、x射线ct装置以及参考校正方法
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
WO2017067817A1 (en) 2015-10-20 2017-04-27 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
WO2018077707A1 (en) * 2016-10-28 2018-05-03 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
JP6897775B2 (ja) * 2017-07-31 2021-07-07 株式会社島津製作所 放射線検出器および核医学診断装置
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
WO2024059662A2 (en) * 2022-09-16 2024-03-21 Rapiscan Holdings, Inc. Systems and methods for generating high-energy three-dimensional computed tomography images of bulk materials
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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
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
CN101080653B (zh) * 2004-12-17 2012-02-29 皇家飞利浦电子股份有限公司 一种x射线照相成像设备、方法及x射线断层摄影扫描器
US7602951B2 (en) * 2005-03-14 2009-10-13 General Electric Company Method and system for providing defective cell correction in a medical imaging device
EP1902424B1 (en) 2005-07-08 2009-11-11 Wisconsin Alumni Research Foundation Highly constrained image reconstruction method
JP2007178364A (ja) * 2005-12-28 2007-07-12 Hitachi Ltd 核医学診断装置
US7755057B2 (en) * 2007-03-07 2010-07-13 General Electric Company CT gantry mounted radioactive source loader for PET calibration
CN105717532B (zh) 2007-04-12 2019-07-26 皇家飞利浦电子股份有限公司 闪烁体的空间增益分布的确定
WO2009082419A1 (en) 2007-12-20 2009-07-02 Wisconsin Alumni Research Foundation Method for dynamic prior image constrained image reconstruction
US8374413B2 (en) 2007-12-20 2013-02-12 Wisconsin Alumni Research Foundation Method for prior image constrained image reconstruction
EP2596751B1 (en) * 2008-04-01 2019-02-20 Koninklijke Philips N.V. Spectral detector calibration
US8958524B2 (en) * 2013-01-31 2015-02-17 Analogic Corporation Correction of projection data in radiation system

Also Published As

Publication number Publication date
US9268046B2 (en) 2016-02-23
EP2731504A2 (en) 2014-05-21
CN103648391A (zh) 2014-03-19
CN103648391B (zh) 2016-08-17
WO2013008198A3 (en) 2013-03-28
US20140140469A1 (en) 2014-05-22
JP2014518147A (ja) 2014-07-28
WO2013008198A2 (en) 2013-01-17
EP2731504B1 (en) 2016-04-27

Similar Documents

Publication Publication Date Title
JP6114745B2 (ja) 撮像システムの検出器の校正
JP5604443B2 (ja) Ｘ線検査装置及び方法
US10898159B2 (en) X-ray imaging system use and calibration
CN101375798B (zh) 具有第二射线管/检测器修补的ct成像系统和方法
JP4726995B2 (ja) 二重エネルギＣＴのための高速ｋＶｐ切換えのシステム及び方法
CN104136938B (zh) 谱成像
US10357214B2 (en) Photon counting CT apparatus, light detection device, radiation detection device, and radiation analysis device
US11229412B2 (en) X-ray imaging apparatus and monochromatic x-ray generating method
JP2008523872A (ja) 連続的な検出器補正に対するパルスｘ線
CN106255901B (zh) 校准光子探测器的方法、吸收滤波器组件和成像装置
US8842805B2 (en) X-ray examination device and method
JP7787737B2 (ja) Ｘ線ｃｔ装置、判定方法、およびプログラム
US20100189211A1 (en) X-ray souce for measuring radiation
JP2023060294A (ja) Ｘ線ｃｔ装置、検出器補正方法および医用情報システム
JP2018138126A (ja) Ｘ線コンピュータ断層撮影装置およびｘ線検出器
CN115460985B (zh) 利用连续kv射束获取的锥形射束计算机断层成像
JP7624831B2 (ja) Ｘ線コンピュータ断層撮影装置、陽極劣化推定方法、および陽極劣化推定プログラム
JP7106392B2 (ja) 感度補正方法及び光子計数型検出器
JP7461102B2 (ja) 医用画像処理装置およびｘ線ｃｔ装置
US20170095222A1 (en) X ray computed tomography apparatus and radiation medical imaging diagnostic apparatus
EP3466219B1 (en) Apparatus for generating x-rays
JP2020065842A (ja) 医用画像処理装置
JP2025171071A (ja) 医用情報処理装置、医用情報処理方法、およびプログラム
JP2024048207A (ja) Ｘ線ｃｔ装置
WO2026029100A1 (ja) 方法、装置、非一時的コンピュータ可読媒体及びプログラム

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150630

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20150630

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20160524

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20160705

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160929

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20170214

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20170228

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20170317

R150 Certificate of patent or registration of utility model

Ref document number: 6114745

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250