JP2001218764A - ティルト形螺旋再構成マルチ・スライスｃｔのための方法及び装置 - Google Patents

ティルト形螺旋再構成マルチ・スライスｃｔのための方法及び装置

Info

Publication number
JP2001218764A
JP2001218764A JP2000396388A JP2000396388A JP2001218764A JP 2001218764 A JP2001218764 A JP 2001218764A JP 2000396388 A JP2000396388 A JP 2000396388A JP 2000396388 A JP2000396388 A JP 2000396388A JP 2001218764 A JP2001218764 A JP 2001218764A
Authority
JP
Japan
Prior art keywords
projection data
fourier transform
zero
phase shift
projection
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.)
Withdrawn
Application number
JP2000396388A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001218764A5 (enExample
Inventor
Jiang Hsieh
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.)
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 JP2001218764A publication Critical patent/JP2001218764A/ja
Publication of JP2001218764A5 publication Critical patent/JP2001218764A5/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • 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
    • A61B6/583—Calibration using calibration phantoms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2000396388A 1999-12-28 2000-12-27 ティルト形螺旋再構成マルチ・スライスｃｔのための方法及び装置 Withdrawn JP2001218764A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/473341 1999-12-28
US09/473,341 US6332013B1 (en) 1999-12-28 1999-12-28 Methods and apparatus for tilted helical reconstruction multislice CT

Publications (2)

Publication Number Publication Date
JP2001218764A true JP2001218764A (ja) 2001-08-14
JP2001218764A5 JP2001218764A5 (enExample) 2008-02-14

Family

ID=23879152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000396388A Withdrawn JP2001218764A (ja) 1999-12-28 2000-12-27 ティルト形螺旋再構成マルチ・スライスｃｔのための方法及び装置

Country Status (5)

Country Link
US (1) US6332013B1 (enExample)
EP (1) EP1113397A2 (enExample)
JP (1) JP2001218764A (enExample)
CN (1) CN1225716C (enExample)
IL (1) IL140572A (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6704392B2 (en) * 2001-07-03 2004-03-09 Ge Medical Systems Global Technology Company, Llc X-ray tube and method having tilted rotation axis
JP4175791B2 (ja) * 2001-08-20 2008-11-05 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 画像生成方法およびｘ線ｃｔ装置
US6587537B1 (en) 2002-04-01 2003-07-01 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for multi-slice image reconstruction
US6751283B2 (en) * 2002-08-06 2004-06-15 Koninklijke Philips Electronics, N.V. Reconstruction method for tilted-gantry computed tomography
US6904117B2 (en) * 2002-10-30 2005-06-07 Toshiba Corporation Tilted gantry helical cone-beam Feldkamp reconstruction for multislice CT
US6647084B1 (en) 2002-11-11 2003-11-11 Ge Medical Systems Global Technology Company, Llc Method and apparatus for filtering projection data of a helical scan
US7239730B2 (en) * 2003-01-29 2007-07-03 Ge Medical Systems Global Technology Company, Llc Method and apparatus for volume scoring calcification concentrations of a CT scan
JP4409223B2 (ja) * 2003-07-24 2010-02-03 東芝医用システムエンジニアリング株式会社 Ｘ線ｃｔ装置及びｘ線ｃｔ用逆投影演算方法
US6977984B2 (en) * 2003-10-07 2005-12-20 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for dynamical helical scanned image production
US7076029B2 (en) * 2003-10-27 2006-07-11 General Electric Company Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned
CN100443053C (zh) * 2005-04-29 2008-12-17 Ge医疗系统环球技术有限公司 信号处理方法与装置以及x射线ct装置
US7344306B2 (en) * 2005-06-30 2008-03-18 General Electric Company Systems and methods for compensating for table sag
JP4611168B2 (ja) * 2005-10-07 2011-01-12 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 画像再構成方法、およびｘ線ｃｔ装置
CN100401983C (zh) * 2005-10-27 2008-07-16 上海交通大学 基于双源双螺旋多层螺旋ct的重建方法
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。
JP5007982B2 (ja) * 2006-06-22 2012-08-22 国立大学法人東北大学 Ｘ線ｃｔ装置及び同装置の画像再構成方法並びに画像再構成プログラム
US8224056B2 (en) * 2009-12-15 2012-07-17 General Electronic Company Method for computed tomography motion estimation and compensation
CN114140544B (zh) * 2021-10-26 2024-12-27 上海东软医疗科技有限公司 图像重建方法、装置及设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19626095C2 (de) * 1996-06-28 2001-02-08 Siemens Ag Computertomograph
EP1005631A2 (en) * 1997-07-01 2000-06-07 Analogic Corporation Improved detector array geometry for helical scanning volumetric computed tomography system
WO1999018854A1 (en) * 1997-10-10 1999-04-22 Analogic Corporation Computed tomography scanning target detection
US6229869B1 (en) * 1998-08-25 2001-05-08 General Electric Company Tilted gantry image correction for a multislice computed tomography system
US6061420A (en) * 1998-08-25 2000-05-09 General Electric Company Methods and apparatus for graphical Rx in a multislice imaging system

Also Published As

Publication number Publication date
CN1225716C (zh) 2005-11-02
EP1113397A2 (en) 2001-07-04
IL140572A0 (en) 2002-02-10
IL140572A (en) 2004-08-31
CN1304036A (zh) 2001-07-18
US6332013B1 (en) 2001-12-18

Similar Documents

Publication Publication Date Title
US6035012A (en) Artifact correction for highly attenuating objects
US5907593A (en) Image reconstruction in a CT fluoroscopy system
US5559847A (en) Systems, methods and apparatus for reconstructing images in a CT system implementing a helical scan
US6324247B1 (en) Partial scan weighting for multislice CT imaging with arbitrary pitch
US6285732B1 (en) Methods and apparatus for adaptive interpolation reduced view CT scan
US6332013B1 (en) Methods and apparatus for tilted helical reconstruction multislice CT
JPH11253441A (ja) スペクトル・ア―ティファクトを有する画像の補正方法
IL148502A (en) Methods and device that use a built-in coil spreading algorithm
JPH10262960A (ja) 部分体積アーチファクト低減方法およびシステム
JP2001137228A (ja) ２回パス式コーン・ビーム画像再構成の方法及び装置
US7792238B2 (en) Method and system for reconstructing cone-beam projection data with reduced artifacts
US5708690A (en) Methods and apparatus for helical image reconstruction in a computed tomography fluoro system
NL2008891A (en) Method and system for reconstruction of tomographic images.
US6775347B2 (en) Methods and apparatus for reconstructing an image of an object
JP2002541896A (ja) 半撮影域のみをカバーする縮小サイズ検出器を利用するコンピュータ断層撮影システムに用いる装置及び方法
US6038278A (en) Method and apparatus for helical multi-frame image reconstruction in a computed tomography fluoro system
JPH11226003A (ja) 断層画像形成システム
JP4509255B2 (ja) 透視画像作成方法及び装置
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
JPH09182745A (ja) 計算機式断層撮影装置
US6327325B1 (en) Methods and apparatus for adaptive interpolation reduced view CT scan
JP4047420B2 (ja) 画像再構成装置
US6091840A (en) Methods and apparatus for single slice helical image reconstruction in a computed tomography system
US6408088B1 (en) Methods and apparatus for single slice helical image reconstruction in a computed tomography system

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071221

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20071221

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20080731