JP4663150B2 - 関心領域マルチ・スライスｃｔ走査の方法及び装置 - Google Patents

関心領域マルチ・スライスｃｔ走査の方法及び装置 Download PDF

Info

Publication number
JP4663150B2
JP4663150B2 JP2001130834A JP2001130834A JP4663150B2 JP 4663150 B2 JP4663150 B2 JP 4663150B2 JP 2001130834 A JP2001130834 A JP 2001130834A JP 2001130834 A JP2001130834 A JP 2001130834A JP 4663150 B2 JP4663150 B2 JP 4663150B2
Authority
JP
Japan
Prior art keywords
region
radiation beam
scanning
detector
interest
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.)
Expired - Fee Related
Application number
JP2001130834A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002017716A (ja
JP2002017716A5 (enExample
Inventor
ジャン・ヘシエー
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.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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 GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of JP2002017716A publication Critical patent/JP2002017716A/ja
Publication of JP2002017716A5 publication Critical patent/JP2002017716A5/ja
Application granted granted Critical
Publication of JP4663150B2 publication Critical patent/JP4663150B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2001130834A 2000-04-28 2001-04-27 関心領域マルチ・スライスｃｔ走査の方法及び装置 Expired - Fee Related JP4663150B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/560,171 US6385278B1 (en) 2000-04-28 2000-04-28 Method and apparatus for region of interest multislice CT scan
US09/560171 2000-04-28

Publications (3)

Publication Number Publication Date
JP2002017716A JP2002017716A (ja) 2002-01-22
JP2002017716A5 JP2002017716A5 (enExample) 2008-06-19
JP4663150B2 true JP4663150B2 (ja) 2011-03-30

Family

ID=24236670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001130834A Expired - Fee Related JP4663150B2 (ja) 2000-04-28 2001-04-27 関心領域マルチ・スライスｃｔ走査の方法及び装置

Country Status (3)

Country Link
US (1) US6385278B1 (enExample)
EP (1) EP1149558A3 (enExample)
JP (1) JP4663150B2 (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4363834B2 (ja) * 2002-02-19 2009-11-11 株式会社東芝 Ｘ線コンピュータ断層撮影装置
JP2004180715A (ja) * 2002-11-29 2004-07-02 Toshiba Corp Ｘ線コンピュータ断層撮影装置
US6850585B2 (en) * 2003-03-05 2005-02-01 Ge Medical Systems Global Technology Company, Llc Progressive updating approach for volumetric CT image reconstruction
US7058157B2 (en) * 2003-04-29 2006-06-06 Siemens Aktiengesellschaft Method for producing images with the aid of a spiral computed tomography unit, and a spiral computed tomography unit
US6977984B2 (en) * 2003-10-07 2005-12-20 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for dynamical helical scanned image production
US7444010B2 (en) * 2003-12-09 2008-10-28 General Electric Company Method and apparatus for the reduction of artifacts in computed tomography images
JP2006320523A (ja) * 2005-05-19 2006-11-30 Ge Medical Systems Global Technology Co Llc シャトルモードヘリカルスキャンのスキャンパラメータ設定方法およびｘ線ｃｔ装置
WO2006129282A2 (en) 2005-05-31 2006-12-07 Arineta Ltd. Graded resolution field of view ct scanner
JP5011482B2 (ja) * 2005-07-19 2012-08-29 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
JP2007135658A (ja) * 2005-11-15 2007-06-07 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置およびｘ線ｃｔ透視装置
US7515678B2 (en) * 2005-11-23 2009-04-07 General Electric Company Method and system for performing CT image reconstruction with motion artifact correction
US7532702B2 (en) * 2005-11-23 2009-05-12 General Electric Company Method and system for performing CT image reconstruction with motion artifact correction
US7583782B2 (en) * 2005-12-28 2009-09-01 Kabushiki Kaisha Toshiba X-ray CT apparatus and an image controlling method thereof
JP2007236662A (ja) * 2006-03-09 2007-09-20 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置およびそのｘ線ｃｔ画像再構成方法、ｘ線ｃｔ画像撮影方法。
US20080008372A1 (en) * 2006-07-07 2008-01-10 General Electric Company A method and system for reducing artifacts in a tomosynthesis imaging system
US8908953B2 (en) * 2007-06-11 2014-12-09 Koninklijke Philips N.V. Imaging system and imaging method for imaging a region of interest
JP5269358B2 (ja) 2007-07-18 2013-08-21 株式会社東芝 Ｘ線ｃｔ装置
JP5184834B2 (ja) * 2007-07-18 2013-04-17 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
CN101897593B (zh) * 2009-05-26 2014-08-13 清华大学 一种计算机层析成像设备和方法
US20110211667A1 (en) * 2010-02-26 2011-09-01 Abdelaziz Ikhlef De-populated detector for computed tomography and method of making same
US8031828B1 (en) * 2010-04-30 2011-10-04 General Electric Company Method and apparatus for computed tomography
US9295434B2 (en) 2011-07-15 2016-03-29 Koninklijke Philips N.V. Dynamic collimation
US8942341B2 (en) * 2011-09-01 2015-01-27 General Electric Company Method of dose reduction for CT imaging and apparatus for implementing same
JP6195852B2 (ja) * 2012-03-07 2017-09-13 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｘ線ビーム整形器
CN103892850B (zh) * 2012-12-28 2019-10-01 通用电气公司 用于ct系统的限束器
WO2014192831A1 (ja) * 2013-05-28 2014-12-04 株式会社東芝 医用画像診断装置及び制御方法
US9375192B2 (en) * 2014-10-14 2016-06-28 Carestream Health, Inc. Reconstruction of a cone beam scanned object
US9618462B2 (en) * 2014-12-16 2017-04-11 Morpho Detection, Llc Systems and methods for imaging and determining a signature of an object
US11628312B2 (en) 2017-11-06 2023-04-18 The Research Foundation For The State University Of New York System and method for dual-use computed tomography for imaging and radiation therapy
EP3632325A1 (en) * 2018-10-04 2020-04-08 Koninklijke Philips N.V. System for providing a spectral image
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
CN114947908B (zh) * 2021-02-24 2024-12-24 上海联影医疗科技股份有限公司 辐射剂量的管理方法和装置
CN115105110B (zh) * 2021-10-15 2024-11-08 清华大学 用于射线检查的成像系统和方法
JP2023183108A (ja) * 2022-06-15 2023-12-27 国立大学法人 筑波大学 インテリアｃｔの画像再構成方法、画像再構成装置、及び、プログラム

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1572347A (en) * 1976-03-30 1980-07-30 Emi Ltd Radiographic apparatus
DE2920051C2 (de) * 1979-05-18 1984-04-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Röntgengerät zur Ermittlung der Absorptionsverteilung in einem ebenen Untersuchungsbereich
US4442489A (en) * 1979-06-16 1984-04-10 U.S. Philips Corporation Device for computed tomography
US5485493A (en) * 1988-10-20 1996-01-16 Picker International, Inc. Multiple detector ring spiral scanner with relatively adjustable helical paths
US5485492A (en) 1992-03-31 1996-01-16 Lunar Corporation Reduced field-of-view CT system for imaging compact embedded structures
US5644614A (en) 1995-12-21 1997-07-01 General Electric Company Collimator for reducing patient x-ray dose
US5610963A (en) 1996-02-06 1997-03-11 General Electric Company Methods and systems for determining the z-axis profile of a detector in a CT system
US6023494A (en) 1996-12-19 2000-02-08 General Electric Company Methods and apparatus for modifying slice thickness during a helical scan
DE69826872T2 (de) * 1997-03-12 2006-03-09 Hitachi Medical Corp. Rechnergestützter röntgentomograph mit den bestrahlungsbereichs eines röntgenfächerstrahls begrenzendem kollimator
JPH1119078A (ja) * 1997-07-09 1999-01-26 Hitachi Medical Corp Ｘ線ｃｔ装置
US5864598A (en) 1997-04-21 1999-01-26 General Electric Company Methods and apparatus for scanning an object in a computed tomography system
JPH1199147A (ja) * 1997-09-26 1999-04-13 Shimadzu Corp Ｘ線ｃｔ装置
US6041097A (en) 1998-04-06 2000-03-21 Picker International, Inc. Method and apparatus for acquiring volumetric image data using flat panel matrix image receptor
JPH11332862A (ja) * 1998-05-27 1999-12-07 Hitachi Medical Corp Ｘ線ｃｔ装置
WO2000059576A1 (en) * 1999-04-02 2000-10-12 Wisconsin Alumni Research Foundation Megavoltage computed tomography during radiotherapy
US6246742B1 (en) * 1999-06-22 2001-06-12 General Electric Company Local CT image reconstruction with limited x-ray exposure
US6272201B1 (en) 1999-09-21 2001-08-07 General Electric Company Methods and apparatus for efficient data acquisition in CT scanners

Also Published As

Publication number Publication date
EP1149558A3 (en) 2003-11-19
JP2002017716A (ja) 2002-01-22
EP1149558A2 (en) 2001-10-31
US6385278B1 (en) 2002-05-07

Similar Documents

Publication Publication Date Title
JP4663150B2 (ja) 関心領域マルチ・スライスｃｔ走査の方法及び装置
US6421411B1 (en) Methods and apparatus for helical image artifact reduction
US6765983B2 (en) Method and apparatus for imaging a region of dynamic tissue
US6754299B2 (en) Methods and apparatus for weighting of computed tomography data
US6246742B1 (en) Local CT image reconstruction with limited x-ray exposure
US6373920B1 (en) Method and apparatus for acquiring CT perfusion images
US7113569B2 (en) X-ray CT apparatus
US7031425B2 (en) Methods and apparatus for generating CT scout images
US7515678B2 (en) Method and system for performing CT image reconstruction with motion artifact correction
JP4152649B2 (ja) Ｃｔスカウト画像処理のための方法及び装置
US7397887B2 (en) Computerized tomographic imaging system
US6490333B1 (en) Methods and apparatus for cone-tilted parallel sampling and reconstruction
JPH09285460A (ja) 物体の断層写真画像を発生するシステム
US20030058994A1 (en) Computed tomography method and apparatus for registering data with reduced radiation stress to the patient
US7532702B2 (en) Method and system for performing CT image reconstruction with motion artifact correction
IL154862A (en) Methods and apparatus for multi-slice image reconstruction
US6343110B1 (en) Methods and apparatus for submillimeter CT slices with increased coverage
US6269139B1 (en) Methods and apparatus for pre-filtering weighting in image reconstruction
US6061423A (en) Fluoroscopy image reconstruction
JP4676641B2 (ja) マルチ・スライスｃｔ走査の螺旋再構成の方法及び装置
JP2000023966A (ja) 螺旋再構成アルゴリズム
US6507632B1 (en) Method and apparatus for reducing artifacts in an image
US6954516B2 (en) Imaging systems and methods
US6597756B1 (en) Methods and apparatus for multi-slice image reconstruction
US6418183B1 (en) Methods and apparatus for two-pass CT imaging

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080424

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080424

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100819

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100907

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20101102

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20101102

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20101102

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: 20101207

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110105

R150 Certificate of patent or registration of utility model

Ref document number: 4663150

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140114

Year of fee payment: 3

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

LAPS Cancellation because of no payment of annual fees