JP4558266B2 - 複数の副画像を用いた画像再構成による円錐ビームｃｔスキャナ - Google Patents

複数の副画像を用いた画像再構成による円錐ビームｃｔスキャナ Download PDF

Info

Publication number
JP4558266B2
JP4558266B2 JP2002298125A JP2002298125A JP4558266B2 JP 4558266 B2 JP4558266 B2 JP 4558266B2 JP 2002298125 A JP2002298125 A JP 2002298125A JP 2002298125 A JP2002298125 A JP 2002298125A JP 4558266 B2 JP4558266 B2 JP 4558266B2
Authority
JP
Japan
Prior art keywords
image
sub
images
data
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.)
Expired - Fee Related
Application number
JP2002298125A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003175028A (ja
JP2003175028A5 (enExample
Inventor
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 JP2003175028A publication Critical patent/JP2003175028A/ja
Publication of JP2003175028A5 publication Critical patent/JP2003175028A5/ja
Application granted granted Critical
Publication of JP4558266B2 publication Critical patent/JP4558266B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B6/03—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2002298125A 2001-10-11 2002-10-11 複数の副画像を用いた画像再構成による円錐ビームｃｔスキャナ Expired - Fee Related JP4558266B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/975543 2001-10-11
US09/975,543 US6678346B2 (en) 2001-10-11 2001-10-11 Cone-beam CT scanner with image reconstruction using multiple sub-images

Publications (3)

Publication Number Publication Date
JP2003175028A JP2003175028A (ja) 2003-06-24
JP2003175028A5 JP2003175028A5 (enExample) 2005-11-24
JP4558266B2 true JP4558266B2 (ja) 2010-10-06

Family

ID=25523139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002298125A Expired - Fee Related JP4558266B2 (ja) 2001-10-11 2002-10-11 複数の副画像を用いた画像再構成による円錐ビームｃｔスキャナ

Country Status (3)

Country Link
US (1) US6678346B2 (enExample)
EP (1) EP1302164A3 (enExample)
JP (1) JP4558266B2 (enExample)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4360817B2 (ja) * 2002-10-18 2009-11-11 株式会社日立メディコ 放射線断層撮影装置
US6904117B2 (en) * 2002-10-30 2005-06-07 Toshiba Corporation Tilted gantry helical cone-beam Feldkamp reconstruction for multislice CT
DE10313110A1 (de) * 2003-03-24 2004-10-21 Sirona Dental Systems Gmbh Röntgeneinrichtung und röntgenstrahlenempfindliche Kamera
US7415145B2 (en) * 2003-12-30 2008-08-19 General Electric Company Methods and apparatus for artifact reduction
US7050527B2 (en) * 2004-02-09 2006-05-23 G.E. Medical Systems Global Technology Company, Llc Methods and apparatus for artifact reduction in cone beam CT image reconstruction
JP4497997B2 (ja) * 2004-04-21 2010-07-07 キヤノン株式会社 放射線画像撮影装置及びその制御方法
US7173996B2 (en) * 2004-07-16 2007-02-06 General Electric Company Methods and apparatus for 3D reconstruction in helical cone beam volumetric CT
US7868884B2 (en) * 2004-08-31 2011-01-11 General Electric Company System and method for generating a digital image of an internal anatomy of a person
US7539281B2 (en) * 2004-10-15 2009-05-26 General Electric Company Methods and apparatus for reconstruction in helical cone beam volumetric CT
US7394887B2 (en) * 2004-10-15 2008-07-01 General Electric Company Method and apparatus for reconstruction of tilted cone beam data
DE102005012653A1 (de) * 2005-03-18 2006-10-05 Siemens Ag Verfahren und Computertomographie-Gerät zur Erstellung computertomographischer Aufnahmen von einem schlagenden Herzen eines Patienten
US7573973B2 (en) * 2005-05-17 2009-08-11 General Electric Company Methods and systems to facilitate reducing cone beam artifacts in images
US7344306B2 (en) * 2005-06-30 2008-03-18 General Electric Company Systems and methods for compensating for table sag
US7599556B2 (en) * 2005-08-25 2009-10-06 Joseph Stanley Czyszczewski Apparatus, system, and method for scanning segmentation
US7613275B2 (en) * 2005-12-19 2009-11-03 General Electric Company Method and apparatus for reducing cone beam artifacts using spatially varying weighting functions
EP1988826A4 (en) * 2006-02-27 2010-05-19 Univ Rochester METHOD AND DEVICE FOR 3D DYNAMIC IMAGING
US7395180B2 (en) * 2006-05-17 2008-07-01 Lockheed Martin Corporation Efficient translation of data from a two-dimensional array to a wedge
DE102006025401B4 (de) * 2006-05-31 2015-12-24 Siemens Aktiengesellschaft Erfassungsvorrichtung und Verfahren zum Erfassen eines Objekts mittels einer Projektion durch das Objekt hindurch mittels Röntgenstrahlen und einem kontrast- und rauschoptimierten quantenzählenden Detektor
US8086010B2 (en) * 2006-06-30 2011-12-27 Kabushiki Kaisha Toshiba Medical image diagnosis apparatus and the control method thereof
KR100825048B1 (ko) 2006-12-22 2008-04-24 한국전기연구원 단층 영상을 고속으로 재구성하는 방법
US8023767B1 (en) 2008-03-10 2011-09-20 University Of Rochester Method and apparatus for 3D metal and high-density artifact correction for cone-beam and fan-beam CT imaging
US8401144B2 (en) * 2008-08-07 2013-03-19 Koninklijke Philips Electronics N.V. Method and apparatus for correcting artifacts in circular CT scans
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
US8938104B2 (en) * 2008-08-29 2015-01-20 Varian Medical Systems International Ag Systems and methods for adaptive filtering
JP5455210B2 (ja) * 2009-10-29 2014-03-26 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装置およびｘ線ｃｔ画像再構成方法
US8559687B2 (en) * 2009-10-30 2013-10-15 Kabushiki Kaisha Toshiba Method for circular scan reconstruction in computed tomography and computed tomographic device
US8755584B2 (en) * 2010-01-24 2014-06-17 Mistretta Medical, Llc System and method for filtration reduced equalized exposure computed tomography
USD669184S1 (en) * 2011-08-29 2012-10-16 General Electric Company Pink ribbon arm
DE102012217163B4 (de) * 2012-09-24 2022-06-02 Siemens Healthcare Gmbh Verfahren zur Rekonstruktion von CT-Bilddaten mit gewichteter Rückprojektion, einschließlich Recheneinheit und CT-System für dieses Verfahren
US9364191B2 (en) 2013-02-11 2016-06-14 University Of Rochester Method and apparatus of spectral differential phase-contrast cone-beam CT and hybrid cone-beam CT
US9689812B2 (en) 2014-10-15 2017-06-27 Morpho Detection, Llc Systems and methods for generating two-dimensional images from projection data
US9538974B2 (en) 2014-11-20 2017-01-10 General Electric Company Methods and systems for correcting table deflection
JP7195825B2 (ja) * 2017-09-12 2022-12-26 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画像生成装置
CN118236087A (zh) 2018-10-25 2024-06-25 上海联影医疗科技股份有限公司 用于散射校准的系统和方法
WO2025086207A1 (zh) * 2023-10-26 2025-05-01 西安交通大学 多中心扫描的ct成像几何结构及圆轨迹下投影偏微分方程

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3018194B2 (ja) * 1989-10-18 2000-03-13 ジーイー横河メディカルシステム株式会社 Ｘ線ｃｔスキャナ
US5233518A (en) * 1989-11-13 1993-08-03 General Electric Company Extrapolative reconstruction method for helical scanning
JP3006722B2 (ja) * 1991-02-22 2000-02-07 株式会社東芝 コンピュータ断層撮影装置
US6219441B1 (en) 1993-06-22 2001-04-17 General Electric Company Reconstruction of images from three-dimensional cone beam data
US5400255A (en) * 1994-02-14 1995-03-21 General Electric Company Reconstruction of images from cone beam data
JP3583503B2 (ja) * 1995-04-13 2004-11-04 株式会社日立メディコ 医療用診断ｃｔ装置
DE19845133A1 (de) * 1998-10-01 2000-04-06 Philips Corp Intellectual Pty Computertomographie-Verfahren mit kegelförmigem Strahlenbündel
US6233308B1 (en) * 1999-03-19 2001-05-15 General Electric Company Methods and apparatus for artifact compensation with variable angular sampling
US6256366B1 (en) * 1999-07-22 2001-07-03 Analogic Corporation Apparatus and method for reconstruction of volumetric images in a computed tomography system using sementation of slices
US6256365B1 (en) * 1999-08-16 2001-07-03 Analogic Corporation Apparatus and method for reconstruction of images in a computed tomography system using oblique slices
US6201849B1 (en) * 1999-08-16 2001-03-13 Analogic Corporation Apparatus and method for reconstruction of volumetric images in a helical scanning cone-beam computed tomography system
US6263040B1 (en) 1999-08-10 2001-07-17 General Electric Company Methods and apparatus for cone-tilted parallel sampling and reconstruction
US6269139B1 (en) 1999-09-07 2001-07-31 General Electric Company Methods and apparatus for pre-filtering weighting in image reconstruction
US6285732B1 (en) * 1999-11-16 2001-09-04 General Electric Company Methods and apparatus for adaptive interpolation reduced view CT scan

Also Published As

Publication number Publication date
US20030073893A1 (en) 2003-04-17
EP1302164A2 (en) 2003-04-16
US6678346B2 (en) 2004-01-13
JP2003175028A (ja) 2003-06-24
EP1302164A3 (en) 2004-02-18

Similar Documents

Publication Publication Date Title
JP4558266B2 (ja) 複数の副画像を用いた画像再構成による円錐ビームｃｔスキャナ
JP4740516B2 (ja) コーン・傾斜平行式のサンプリング及び再構成の方法及び装置
US6665370B2 (en) Computed tomography method and apparatus for acquiring images dependent on a time curve of a periodic motion of the subject
US6023494A (en) Methods and apparatus for modifying slice thickness during a helical scan
US6141398A (en) Protocol driven image reconstruction, display, and processing in a multislice imaging system
US6421412B1 (en) Dual cardiac CT scanner
US6754299B2 (en) Methods and apparatus for weighting of computed tomography data
US5864598A (en) Methods and apparatus for scanning an object in a computed tomography system
US8280135B2 (en) System and method for highly attenuating material artifact reduction in x-ray computed tomography
US7706497B2 (en) Methods and apparatus for noise estimation for multi-resolution anisotropic diffusion filtering
EP0520778B1 (en) Tomographic image reconstruction using cross-plane rays
US6256365B1 (en) Apparatus and method for reconstruction of images in a computed tomography system using oblique slices
EP1061476B1 (en) Volumetric image reconstruction
JP2007000406A (ja) Ｘ線ｃｔ撮影方法およびｘ線ｃｔ装置
JPH11326243A (ja) Ｃｔイメ―ジング装置を動作する方法及び走査及びデ―タ収集装置
JP2000107167A (ja) 円錐状放射線ビ―ムを使用するコンピュ―タ断層撮影方法
US7529335B2 (en) Voxel-driven spiral reconstruction for cone-beam computer tomography
JPH09285460A (ja) 物体の断層写真画像を発生するシステム
JPH07194590A (ja) 計算機式断層写真装置及び撮像されるべき物体の像を発生する方法
JPH08173414A (ja) 断層撮影画像内のアーチファクトを低減するための方法および装置
JP4644785B2 (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
JP2004113785A (ja) コンピュータ断層撮影法における画像形成方法およびこの方法を実施するためのｃｔ装置
EP0989521B1 (en) Fluoroscopy image reconstruction
JPH07250832A (ja) 断層写真像を作成する方法
JPH10225452A (ja) 部分体積アーチファクトを検出する方法およびシステム

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051005

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20051005

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090119

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090203

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090313

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090929

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20091127

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20091127

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20091127

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100601

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100611

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: 20100629

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: 20100721

R150 Certificate of patent or registration of utility model

Ref document number: 4558266

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: 20130730

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