JP5763916B2 - 多重エネルギct撮像データを取得するシステム及び方法 - Google Patents

多重エネルギct撮像データを取得するシステム及び方法 Download PDF

Info

Publication number
JP5763916B2
JP5763916B2 JP2010282501A JP2010282501A JP5763916B2 JP 5763916 B2 JP5763916 B2 JP 5763916B2 JP 2010282501 A JP2010282501 A JP 2010282501A JP 2010282501 A JP2010282501 A JP 2010282501A JP 5763916 B2 JP5763916 B2 JP 5763916B2
Authority
JP
Japan
Prior art keywords
kvp
period
view data
data set
data
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
JP2010282501A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011224341A (ja
JP2011224341A5 (enExample
Inventor
ナヴィーン・チャンドラ
シャオイェ・ウー
トーマス・エル・トス
チャン・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 JP2011224341A publication Critical patent/JP2011224341A/ja
Publication of JP2011224341A5 publication Critical patent/JP2011224341A5/ja
Application granted granted Critical
Publication of JP5763916B2 publication Critical patent/JP5763916B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/405Source units specially adapted to modify characteristics of the beam during the data acquisition process
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/42Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/48Diagnostic techniques
    • A61B6/482Diagnostic techniques involving multiple energy imaging
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4007Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2010282501A 2010-04-15 2010-12-20 多重エネルギct撮像データを取得するシステム及び方法 Active JP5763916B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/760,862 2010-04-15
US12/760,862 US8199875B2 (en) 2009-12-11 2010-04-15 System and method of acquiring multi-energy CT imaging data

Publications (3)

Publication Number Publication Date
JP2011224341A JP2011224341A (ja) 2011-11-10
JP2011224341A5 JP2011224341A5 (enExample) 2014-02-06
JP5763916B2 true JP5763916B2 (ja) 2015-08-12

Family

ID=44201924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010282501A Active JP5763916B2 (ja) 2010-04-15 2010-12-20 多重エネルギct撮像データを取得するシステム及び方法

Country Status (4)

Country Link
US (2) US8199875B2 (enExample)
EP (1) EP2377468B1 (enExample)
JP (1) JP5763916B2 (enExample)
CN (2) CN102217947B (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010144094A1 (en) * 2009-06-12 2010-12-16 Analogic Corporation Correction for source switching in multi energy scanner
US8199874B2 (en) * 2009-12-11 2012-06-12 General Electric Company System and method of mitigating low signal data for dual energy CT
WO2013122763A1 (en) * 2012-02-14 2013-08-22 American Science And Engineering, Inc. X-ray inspection using wavelength-shifting fiber-coupled scintillation detectors
DE102012222714A1 (de) * 2012-12-11 2014-06-12 Siemens Aktiengesellschaft Ermittlung eines Mehrfachenergie-Bildes
KR20140092438A (ko) * 2012-12-27 2014-07-24 삼성전자주식회사 엑스선 검출 패널, 엑스선 촬영 장치 및 엑스선 영상 생성 방법
CN103892859A (zh) * 2012-12-28 2014-07-02 Ge医疗系统环球技术有限公司 基于多模式Scout扫描的CT成像方法和CT系统
JP6325256B2 (ja) * 2013-01-07 2018-05-16 キヤノンメディカルシステムズ株式会社 X線コンピュータ断層撮影装置及び医用画像処理装置
DE102013206075B4 (de) * 2013-04-05 2021-11-11 Siemens Healthcare Gmbh Verfahren zur Korrektur einer Signalverteilung sowie Verfahren und Tomographiegerät zur Reduktion von Bildartefakten
CN103190926A (zh) * 2013-04-12 2013-07-10 王宝良 X光机立体成像装置及成像方法
GB201308876D0 (en) 2013-05-16 2013-07-03 Ibex Innovations Ltd X-Ray imaging apparatus and methods
GB201308851D0 (en) 2013-05-16 2013-07-03 Ibex Innovations Ltd Multi-spectral x-ray detection apparatus
GB201308818D0 (en) 2013-05-16 2013-07-03 Ibex Innovations Ltd X-ray detector apparatus
US8965095B2 (en) * 2013-05-30 2015-02-24 Kabushiki Kaisha Toshiba Noise balance pre-reconstruction data decomposition in spectral CT
DE102013218692B4 (de) 2013-09-18 2022-09-08 Siemens Healthcare Gmbh Detektion von Röntgenstrahlung
US9320481B2 (en) 2014-03-31 2016-04-26 General Electric Company Systems and methods for X-ray imaging
JP6523825B2 (ja) * 2014-07-02 2019-06-05 キヤノンメディカルシステムズ株式会社 X線ct装置及び画像処理装置
WO2016059527A2 (en) 2014-10-13 2016-04-21 Koninklijke Philips N.V. Spectral imaging
WO2017019554A1 (en) * 2015-07-24 2017-02-02 Photo Diagnostic Systems, Inc. Method and apparatus for performing multi-energy (including dual energy) computed tomography (ct) imaging
CA2998364A1 (en) 2015-09-10 2017-03-16 American Science And Engineering, Inc. Backscatter characterization using interlinearly adaptive electromagnetic x-ray scanning
US10165996B2 (en) * 2015-09-30 2019-01-01 General Electric Company Systems and methods for dual-energy computed tomography imaging
US10646176B2 (en) * 2015-09-30 2020-05-12 General Electric Company Layered radiation detector
US10573030B2 (en) 2017-04-07 2020-02-25 Photo Diagnostic Systems, Inc. Method for artifact reduction using monoenergetic data in computed tomography
WO2020002174A1 (en) * 2018-06-29 2020-01-02 Koninklijke Philips N.V. Imaging system configured to generate non-spectral volumetric image data from a kvp switching multi-energy acquisition
JP7490333B2 (ja) * 2018-12-17 2024-05-27 キヤノンメディカルシステムズ株式会社 X線ctシステム及び処理プログラム
US11193898B1 (en) 2020-06-01 2021-12-07 American Science And Engineering, Inc. Systems and methods for controlling image contrast in an X-ray system
CN112712572B (zh) * 2021-01-11 2023-10-24 明峰医疗系统股份有限公司 Ct扫描设备的低信号噪声的抑制方法、系统及计算机可读存储介质

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541106A (en) * 1984-02-22 1985-09-10 General Electric Company Dual energy rapid switching imaging system
US4780897A (en) * 1986-05-06 1988-10-25 General Electric Company Dual energy imaging with kinestatic charge detector
US6343112B1 (en) * 2000-12-14 2002-01-29 Ge Medical Systems Global Technology Company, Llc Method and apparatus for reducing photoconductive effects in dual energy applications of solid state digital X-ray detectors
US6393097B1 (en) * 2000-12-22 2002-05-21 Ge Medical Systems Global Technology Company, Llc Digital detector method for dual energy imaging
US6621887B2 (en) * 2001-10-15 2003-09-16 General Electric Company Method and apparatus for processing a fluoroscopic image
JP2003144427A (ja) * 2001-11-06 2003-05-20 Ge Medical Systems Global Technology Co Llc X線ctシステム、操作コンソールおよびその制御方法、ならびにプログラム
US6931098B2 (en) * 2002-03-08 2005-08-16 Ge Medical Systems Global Technology Company, Llc Method and system for dual or multiple energy imaging
US7272429B2 (en) * 2002-11-27 2007-09-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for facilitating a reduction in artifacts
US7616799B2 (en) * 2004-06-18 2009-11-10 Siemens Medical Solutions Usa, Inc. System and method for monitoring disease progression or response to therapy using multi-modal visualization
DE102004063995A1 (de) * 2004-10-25 2006-08-17 Siemens Ag Tomographiegerät und Verfahren für ein Tomographiegerät zur Erzeugung von Mehrfachenergie-Bildern
US7054407B1 (en) 2005-02-08 2006-05-30 General Electric Company Methods and apparatus to facilitate reconstruction of images
JP5058517B2 (ja) 2005-06-14 2012-10-24 キヤノン株式会社 放射線撮像装置及びその制御方法並びに放射線撮像システム
CN100471453C (zh) * 2005-06-14 2009-03-25 佳能株式会社 放射线成像装置、其控制方法和放射线成像系统
CN101370430A (zh) * 2006-01-24 2009-02-18 株式会社岛津制作所 X射线摄像装置
DE102006014624B4 (de) * 2006-03-29 2008-04-10 Siemens Ag Verfahren zur Aufnahme von Projektionsbildern
JP5389324B2 (ja) * 2006-12-18 2014-01-15 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線断層撮影装置
JP5248031B2 (ja) * 2007-04-23 2013-07-31 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
JP2008279153A (ja) * 2007-05-14 2008-11-20 Ge Medical Systems Global Technology Co Llc X線ct装置
JP5106978B2 (ja) 2007-10-15 2012-12-26 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
JP5229865B2 (ja) * 2007-11-30 2013-07-03 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
JP5179268B2 (ja) * 2008-06-17 2013-04-10 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 X線ct装置
JP5405229B2 (ja) * 2008-08-11 2014-02-05 株式会社東芝 X線コンピュータ断層撮影装置
US7995702B2 (en) * 2009-08-25 2011-08-09 General Electric Company System and method of data interpolation in fast kVp switching dual energy CT

Also Published As

Publication number Publication date
US8363779B2 (en) 2013-01-29
JP2011224341A (ja) 2011-11-10
US20120236984A1 (en) 2012-09-20
EP2377468B1 (en) 2020-04-01
CN105943069B (zh) 2019-07-12
CN102217947A (zh) 2011-10-19
CN105943069A (zh) 2016-09-21
CN102217947B (zh) 2016-05-18
EP2377468A1 (en) 2011-10-19
US20110142194A1 (en) 2011-06-16
US8199875B2 (en) 2012-06-12

Similar Documents

Publication Publication Date Title
JP5763916B2 (ja) 多重エネルギct撮像データを取得するシステム及び方法
JP5920908B2 (ja) 低信号の影響が軽減された投影データを生成する計算機式断層写真法システム
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
US9135728B2 (en) System and method for multi-energy computed tomography imaging
JP5681356B2 (ja) 二重エネルギctシステム
EP2419759B1 (en) Spectral imaging
EP2820449B1 (en) Spectral imaging
JP5595478B2 (ja) 画像処理システムにおけるディテクタ配列装置及び方法
RU2515338C2 (ru) Формирование спектральных изображений
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
WO2012049682A2 (en) Photon counting and energy discriminating detector threshold calibration

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20131217

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20131217

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140212

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20140214

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140430

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20141104

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20141202

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: 20150519

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150612

R150 Certificate of patent or registration of utility model

Ref document number: 5763916

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

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350