JP2002325760A - 2パスct撮像の方法および装置 - Google Patents

2パスct撮像の方法および装置

Info

Publication number
JP2002325760A
JP2002325760A JP2001396041A JP2001396041A JP2002325760A JP 2002325760 A JP2002325760 A JP 2002325760A JP 2001396041 A JP2001396041 A JP 2001396041A JP 2001396041 A JP2001396041 A JP 2001396041A JP 2002325760 A JP2002325760 A JP 2002325760A
Authority
JP
Japan
Prior art keywords
projection data
patient
scan
imaging system
moment
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.)
Pending
Application number
JP2001396041A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002325760A5 (https=
Inventor
Stanley H Fox
スタンレー・エイチ・フォックス
Jiang Hsieh
チアン・シェー
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 JP2002325760A publication Critical patent/JP2002325760A/ja
Publication of JP2002325760A5 publication Critical patent/JP2002325760A5/ja
Pending legal-status Critical Current

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
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5211Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5229Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
    • A61B6/5235Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and 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
    • A61B6/48Diagnostic techniques
    • A61B6/488Diagnostic techniques involving pre-scan acquisition
    • 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
    • A61B6/5264Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to motion
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00X-ray or gamma ray systems or devices
    • Y10S378/901Computer tomography program or processor

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
JP2001396041A 2000-12-28 2001-12-27 2パスct撮像の方法および装置 Pending JP2002325760A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/749,821 US6418183B1 (en) 2000-12-28 2000-12-28 Methods and apparatus for two-pass CT imaging
US09/749821 2000-12-28

Publications (2)

Publication Number Publication Date
JP2002325760A true JP2002325760A (ja) 2002-11-12
JP2002325760A5 JP2002325760A5 (https=) 2005-07-21

Family

ID=25015349

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001396041A Pending JP2002325760A (ja) 2000-12-28 2001-12-27 2パスct撮像の方法および装置

Country Status (4)

Country Link
US (1) US6418183B1 (https=)
JP (1) JP2002325760A (https=)
DE (1) DE10164253A1 (https=)
IL (1) IL147204A0 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005131381A (ja) * 2003-10-01 2005-05-26 Ge Medical Systems Global Technology Co Llc 灌流検査を実行する方法、装置、及びコンピュータ読み取り可能な媒体

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6892088B2 (en) * 2002-09-18 2005-05-10 General Electric Company Computer-assisted bone densitometer
DE102005018811B4 (de) * 2005-04-22 2008-02-21 Siemens Ag Blendenvorrichtung für eine zur Abtastung eines Objektes vorgesehene Röntgeneinrichtung und Verfahren für eine Blendenvorrichtung
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
US20070237287A1 (en) * 2006-03-28 2007-10-11 Predrag Sukovic Ct scanner with automatic determination of volume of interest
US20080170658A1 (en) * 2007-01-11 2008-07-17 Jed Douglas Pack System and method for ct imaging with increased sampling and reduced artifacts
EP2017785A1 (en) * 2007-07-17 2009-01-21 BrainLAB AG Imaging method for motion analysis
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
WO2013173666A1 (en) * 2012-05-18 2013-11-21 Carestream Health, Inc. Cone beam computed tomography volumetric imaging system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0515525A (ja) * 1991-07-15 1993-01-26 Toshiba Corp 画像位置修正方法
JPH10248835A (ja) * 1997-03-12 1998-09-22 Hitachi Medical Corp 照射範囲限定式x線ct装置
JPH1128202A (ja) * 1997-07-10 1999-02-02 Hitachi Medical Corp X線ct装置
JPH11332862A (ja) * 1998-05-27 1999-12-07 Hitachi Medical Corp X線ct装置
JP2003116833A (ja) * 2001-10-18 2003-04-22 Toshiba Corp X線コンピュータ断層撮影装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712178A (en) 1984-11-28 1987-12-08 Picker International Inc. Malfunctioning computed tomography detector correction method
US6084227A (en) 1995-01-30 2000-07-04 Rhoads; Geoffrey B. Method and apparatus for wide field distortion-compensated imaging
US6217214B1 (en) * 1993-11-22 2001-04-17 Hologic, Inc. X-ray bone densitometry apparatus
JP3378401B2 (ja) 1994-08-30 2003-02-17 株式会社日立メディコ X線装置
US6023494A (en) * 1996-12-19 2000-02-08 General Electric Company Methods and apparatus for modifying slice thickness during a helical scan
US6215841B1 (en) 1998-09-29 2001-04-10 General Electric Company Methods and apparatus for 3D artifact reduction
US6272200B1 (en) 1999-07-28 2001-08-07 Arch Development Corporation Fourier and spline-based reconstruction of helical CT images
US6256368B1 (en) * 1999-10-15 2001-07-03 General Electric Company Methods and apparatus for scout-based cardiac calcification scoring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0515525A (ja) * 1991-07-15 1993-01-26 Toshiba Corp 画像位置修正方法
JPH10248835A (ja) * 1997-03-12 1998-09-22 Hitachi Medical Corp 照射範囲限定式x線ct装置
JPH1128202A (ja) * 1997-07-10 1999-02-02 Hitachi Medical Corp X線ct装置
JPH11332862A (ja) * 1998-05-27 1999-12-07 Hitachi Medical Corp X線ct装置
JP2003116833A (ja) * 2001-10-18 2003-04-22 Toshiba Corp X線コンピュータ断層撮影装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005131381A (ja) * 2003-10-01 2005-05-26 Ge Medical Systems Global Technology Co Llc 灌流検査を実行する方法、装置、及びコンピュータ読み取り可能な媒体

Also Published As

Publication number Publication date
IL147204A0 (en) 2002-08-14
DE10164253A1 (de) 2002-08-29
US6418183B1 (en) 2002-07-09

Similar Documents

Publication Publication Date Title
JP4436658B2 (ja) ボリューム灌流を計算するための方法及び装置
US6373920B1 (en) Method and apparatus for acquiring CT perfusion images
US6421411B1 (en) Methods and apparatus for helical image artifact reduction
JP4578675B2 (ja) 投影データを用いて心運動を評価する方法及び装置
US5400378A (en) Dynamic dose control in multi-slice CT scan
US6252924B1 (en) Method and apparatus for motion-free cardiac CT imaging
US6370217B1 (en) Volumetric computed tomography system for cardiac imaging
US6891918B2 (en) Methods and apparatus for acquiring perfusion data
JP4152649B2 (ja) Ctスカウト画像処理のための方法及び装置
US6246742B1 (en) Local CT image reconstruction with limited x-ray exposure
US6480560B2 (en) Methods and apparatus for motion gating using CT projection data
US6493416B1 (en) Method and apparatus for noise reduction in computed tomographic systems
US20080260092A1 (en) X-ray tomographic imaging apparatus
JP4452844B2 (ja) 被曝を低減したコンピュータ断層撮影イメージング方法及び装置
JP2002531199A (ja) 石灰化のレベル付けを行う方法と装置
JP2000350726A (ja) 対象の長さを決定する方法およびコンピュータ断層撮影システム
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
JPH09285460A (ja) 物体の断層写真画像を発生するシステム
US6381297B1 (en) High pitch reconstruction of multislice CT scans
US6393091B1 (en) Methods and apparatus for non-uniform temporal cardiac imaging
US6680995B2 (en) Method and apparatus of determining and displaying a helical artifact index
JP2005218874A (ja) コーンビームct画像再構成におけるアーチファクトを低減するための方法及び装置
IL122222A (en) Normalizing projection data in a computed tomography system
JP2002325760A (ja) 2パスct撮像の方法および装置
JP4832662B2 (ja) イメージング・データを逆畳み込みするための方法及び装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20041206

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20041206

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20061226

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080122

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20080624