JP6378470B2 - 線源側放射線検出器、イメージング・システム及び撮像データを補正する方法 - Google Patents

線源側放射線検出器、イメージング・システム及び撮像データを補正する方法 Download PDF

Info

Publication number
JP6378470B2
JP6378470B2 JP2013103606A JP2013103606A JP6378470B2 JP 6378470 B2 JP6378470 B2 JP 6378470B2 JP 2013103606 A JP2013103606 A JP 2013103606A JP 2013103606 A JP2013103606 A JP 2013103606A JP 6378470 B2 JP6378470 B2 JP 6378470B2
Authority
JP
Japan
Prior art keywords
detector
module assembly
ssrd
ray source
slits
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
JP2013103606A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013240594A (ja
JP2013240594A5 (https=
Inventor
アブデラジズ・イクレフ
ジョセフ・ジェームズ・レイシー
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JP2013240594A publication Critical patent/JP2013240594A/ja
Publication of JP2013240594A5 publication Critical patent/JP2013240594A5/ja
Application granted granted Critical
Publication of JP6378470B2 publication Critical patent/JP6378470B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—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
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4078—Fan-beams
    • 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

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)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Mathematical Physics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2013103606A 2012-05-21 2013-05-16 線源側放射線検出器、イメージング・システム及び撮像データを補正する方法 Active JP6378470B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/476,130 2012-05-21
US13/476,130 US8926177B2 (en) 2012-05-21 2012-05-21 Source side monitoring device for an imaging system

Publications (3)

Publication Number Publication Date
JP2013240594A JP2013240594A (ja) 2013-12-05
JP2013240594A5 JP2013240594A5 (https=) 2016-06-30
JP6378470B2 true JP6378470B2 (ja) 2018-08-22

Family

ID=49581307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013103606A Active JP6378470B2 (ja) 2012-05-21 2013-05-16 線源側放射線検出器、イメージング・システム及び撮像データを補正する方法

Country Status (4)

Country Link
US (1) US8926177B2 (https=)
JP (1) JP6378470B2 (https=)
KR (1) KR102057033B1 (https=)
CN (1) CN103417233B (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014202330B3 (de) * 2014-02-10 2015-06-03 Siemens Aktiengesellschaft Single Source DualEnergy mit zwei Filtern zur Röntgenspektrumsdifferenzierung bei Strahlerblenden mit Schlitzplatte
CN104027127B (zh) * 2014-06-13 2016-08-24 中国科学院高能物理研究所 一种ct机及其球管焦点的实时监测方法
CN108135557B (zh) * 2016-09-09 2019-04-30 皇家飞利浦有限公司 计算机断层摄影x射线成像
CN108158597B (zh) * 2016-12-07 2021-08-06 北京东软医疗设备有限公司 确定原始x射线能量数据的方法、装置及ct设备
US11350892B2 (en) * 2016-12-16 2022-06-07 General Electric Company Collimator structure for an imaging system
CN107095690B (zh) * 2017-05-31 2021-05-07 上海联影医疗科技股份有限公司 一种跟踪x光源焦点位置的装置、系统及方法
CN107582089B (zh) * 2017-09-29 2021-06-29 上海联影医疗科技股份有限公司 准直器、成像设备、焦点位置跟踪方法及校正方法
US10898159B2 (en) * 2019-01-11 2021-01-26 General Electric Company X-ray imaging system use and calibration
US11428825B2 (en) * 2019-12-19 2022-08-30 GE Precision Healthcare LLC Methods and systems for uniform CT detector heat distribution
CN118670312B (zh) * 2024-06-07 2025-12-30 赛诺威盛科技(北京)股份有限公司 一种测试ct探测器位置的方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6272328A (ja) * 1985-09-26 1987-04-02 株式会社東芝 Ｘ線ｃｔスキヤナ
JPH06269443A (ja) * 1993-03-18 1994-09-27 Toshiba Corp Ｘ線ｃｔ装置
US5550886A (en) * 1994-11-22 1996-08-27 Analogic Corporation X-Ray focal spot movement compensation system
US6996206B2 (en) 2004-04-12 2006-02-07 General Electric Company Method, system and storage medium for reference normalization for blocked reference channels
US7307694B2 (en) * 2005-06-29 2007-12-11 Asml Netherlands B.V. Lithographic apparatus, radiation beam inspection device, method of inspecting a beam of radiation and device manufacturing method
CN101266297A (zh) * 2007-03-16 2008-09-17 通用电气公司 焦点对准的ct检测器
JP5582514B2 (ja) * 2008-02-29 2014-09-03 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装置

Also Published As

Publication number Publication date
CN103417233A (zh) 2013-12-04
KR102057033B1 (ko) 2019-12-18
US20130308748A1 (en) 2013-11-21
US8926177B2 (en) 2015-01-06
CN103417233B (zh) 2017-04-12
KR20130129850A (ko) 2013-11-29
JP2013240594A (ja) 2013-12-05

Similar Documents

Publication Publication Date Title
JP6378470B2 (ja) 線源側放射線検出器、イメージング・システム及び撮像データを補正する方法
JP4322112B2 (ja) 透過放射線の源及び被検体に注入される放射性薬剤の源を含む診断撮像
US10219775B2 (en) Photon-counting X-ray CT apparatus and image processing apparatus
CN102764137B (zh) 一种静态ct扫描仪及其散射x光子校正方法
JP3961468B2 (ja) 放射線計算断層画像装置およびそれに用いる放射線検出器
CN101262819B (zh) Ct散射的直接测量及校正
US10695014B2 (en) System and method of small field of view x-ray imaging
JP4831458B2 (ja) 放射線散乱を抑えた多重型検出器計算機式断層写真法（ｃｔ）撮像方法及び装置
JP2009226219A (ja) マルチ・モダリティ撮像データを補正する方法及び装置
US9486173B2 (en) Systems and methods for adjustable view frequency computed tomography imaging
US6661865B1 (en) Variable axial shielding for pet imaging
CN102727234B (zh) 产生检查对象的图像数据的方法、处理装置和x射线系统
CN112971816B (zh) 用于焦点运动检测和校正的系统和方法
JP2010183968A (ja) 医用画像診断装置
JP4041040B2 (ja) 放射線断層撮影装置
US20100189211A1 (en) X-ray souce for measuring radiation
JP2024030533A (ja) 光子計数型のｘ線画像診断装置及びパイルアップ補正用の較正データの生成方法
US20190274653A1 (en) Method and apparatus for artifact reduction for joint region in step and shoot computed tomography
CN102393528A (zh) 计算机断层扫描的非对称减少的探测器及其制作方法
US12205289B2 (en) Medical information processing method, medical information processing apparatus, and medical image processing apparatus
JP4064541B2 (ja) レファレンス信号生成方法および装置並びに放射線断層撮影装置
JP6815209B2 (ja) Ｘ線ｃｔ装置
JP2024048207A (ja) Ｘ線ｃｔ装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160511

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20160511

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20170131

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170207

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170508

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170808

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20171005

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20180130

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180315

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: 20180703

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20180727

R150 Certificate of patent or registration of utility model

Ref document number: 6378470

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

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350