DE69030555T2 - Rechnergesteuerte Tomographie mit schraubenförmiger Abtastung - Google Patents

Rechnergesteuerte Tomographie mit schraubenförmiger Abtastung

Info

Publication number
DE69030555T2
DE69030555T2 DE69030555T DE69030555T DE69030555T2 DE 69030555 T2 DE69030555 T2 DE 69030555T2 DE 69030555 T DE69030555 T DE 69030555T DE 69030555 T DE69030555 T DE 69030555T DE 69030555 T2 DE69030555 T2 DE 69030555T2
Authority
DE
Germany
Prior art keywords
computer controlled
helical scanning
controlled tomography
tomography
helical
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
DE69030555T
Other languages
English (en)
Other versions
DE69030555D1 (de
Inventor
Kevin Franklin King
Carl Ross Crawford
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 DE69030555D1 publication Critical patent/DE69030555D1/de
Application granted granted Critical
Publication of DE69030555T2 publication Critical patent/DE69030555T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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 for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Devices 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 for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
DE69030555T 1989-11-13 1990-11-09 Rechnergesteuerte Tomographie mit schraubenförmiger Abtastung Expired - Fee Related DE69030555T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/435,980 US5233518A (en) 1989-11-13 1989-11-13 Extrapolative reconstruction method for helical scanning

Publications (2)

Publication Number Publication Date
DE69030555D1 DE69030555D1 (de) 1997-05-28
DE69030555T2 true DE69030555T2 (de) 1997-11-13

Family

ID=23730617

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69030555T Expired - Fee Related DE69030555T2 (de) 1989-11-13 1990-11-09 Rechnergesteuerte Tomographie mit schraubenförmiger Abtastung

Country Status (5)

Country Link
US (1) US5233518A (de)
EP (1) EP0428348B1 (de)
JP (1) JPH0661327B2 (de)
DE (1) DE69030555T2 (de)
IL (1) IL96212A0 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2970680B2 (ja) * 1990-06-14 1999-11-02 株式会社東芝 Ｘ線ｃｔ装置
US5090037A (en) * 1990-11-19 1992-02-18 General Electric Company Helical scanning computed tomography with tracking x-ray source
US5454019A (en) * 1991-03-15 1995-09-26 Hitachi, Ltd. Computed tomography system
JP3742650B2 (ja) 1992-08-07 2006-02-08 ゼネラル・エレクトリック・カンパニイ 多重列検出器配列体を有する螺旋走査計算機式断層撮影装置用の再構成法
US5524130A (en) * 1992-08-28 1996-06-04 Kabushiki Kaisha Toshiba Computed tomography apparatus
US5515409A (en) * 1994-12-22 1996-05-07 General Electric Company Helical interpolative algorithm for image reconstruction in a CT system
US5491735A (en) * 1994-12-22 1996-02-13 General Electric Company Image reconstruction apparatus and method for helical scanning
US5513236A (en) * 1995-01-23 1996-04-30 General Electric Company Image reconstruction for a CT system implementing a dual fan beam helical scan
US5761333A (en) * 1995-01-31 1998-06-02 General Electric Company Contrast enhancement for CT systems
US5541970A (en) * 1995-05-09 1996-07-30 General Electric Company Image reconstruction for a CT system implementing a four fan beam helical scan
US5744802A (en) * 1995-10-25 1998-04-28 Adac Laboratories Image generation from limited projections in positron emission tomography using multi-slice rebinning
US5594767A (en) * 1995-11-02 1997-01-14 General Electric Company Methods and apparatus for enhancing image sharpness
US5546439A (en) * 1995-11-02 1996-08-13 General Electric Company Systems, methods and apparatus for incrementally reconstructing overlapped images in a CT system implementing a helical scan
US5559847A (en) * 1995-12-06 1996-09-24 General Electric Company Systems, methods and apparatus for reconstructing images in a CT system implementing a helical scan
US5606585A (en) * 1995-12-21 1997-02-25 General Electric Company Methods and apparatus for multislice helical image reconstruction in a computer tomography system
US5663995A (en) * 1996-06-06 1997-09-02 General Electric Company Systems and methods for reconstructing an image in a CT system performing a cone beam helical scan
US6108575A (en) * 1998-02-20 2000-08-22 General Electric Company Helical weighting algorithms for fast reconstruction
US6324242B1 (en) * 1999-04-09 2001-11-27 Arch Development Corporation Fast reconstruction with uniform noise properties in half-scan tomography
US6980681B1 (en) * 2000-04-24 2005-12-27 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for helical reconstruction for multislice CT scan
DE10026566A1 (de) 2000-05-30 2001-12-13 Siemens Ag Computertomograph
US6381297B1 (en) 2000-08-15 2002-04-30 Ge Medical Systems Global Technology Company, Llc High pitch reconstruction of multislice CT scans
DE10049380A1 (de) * 2000-10-05 2002-04-11 Philips Corp Intellectual Pty Computertomograph mit kegelförmigem Strahlenbündel und helixförmiger Relativbewegung
US6452996B1 (en) 2001-03-16 2002-09-17 Ge Medical Systems Global Technology Company, Llc Methods and apparatus utilizing generalized helical interpolation algorithm
US6965689B2 (en) * 2001-04-05 2005-11-15 Thomas Eliott Lee Image based volumetric measuring device
DE10127269B4 (de) * 2001-06-05 2015-09-24 Siemens Aktiengesellschaft Verfahren für die Computertomographie sowie Computertomographie (CT)-Gerät
US6678346B2 (en) * 2001-10-11 2004-01-13 Ge Medical Systems Global Technology Company Llc Cone-beam CT scanner with image reconstruction using multiple sub-images
US6999550B2 (en) * 2004-02-09 2006-02-14 Ge Medical Systems Global Technology Method and apparatus for obtaining data for reconstructing images of an object
US7570733B2 (en) * 2005-06-10 2009-08-04 General Electric Company Step-and-shoot cardiac CT imaging
US7492856B2 (en) * 2005-12-07 2009-02-17 Ge Security, Inc. Apparatus and method for providing an orthographic projection from helical scan data
US7515675B2 (en) * 2005-12-07 2009-04-07 Ge Security, Inc. Apparatus and method for providing a near-parallel projection from helical scan data
CN103349556B (zh) * 2009-01-21 2015-09-23 皇家飞利浦电子股份有限公司 用于大视场成像及运动伪影的探测和补偿的方法和装置
EP2330559B9 (de) * 2009-10-30 2013-11-06 Kabushiki Kaisha Toshiba Computertomographiegerät
US8559687B2 (en) * 2009-10-30 2013-10-15 Kabushiki Kaisha Toshiba Method for circular scan reconstruction in computed tomography and computed tomographic device
JP5725885B2 (ja) * 2011-01-27 2015-05-27 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
CN104254786B (zh) * 2011-10-03 2018-07-27 Fei公司 计算断层摄影成像方法和系统
CN105093342B (zh) * 2014-05-14 2017-11-17 同方威视技术股份有限公司 螺旋ct系统及重建方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284896A (en) * 1979-08-24 1981-08-18 General Electric Company Computerized tomographic reconstruction method and system utilizing reflection
US4506327A (en) * 1981-11-23 1985-03-19 General Electric Company Limited-angle imaging using multiple energy scanning
JPS59111738A (ja) * 1982-12-16 1984-06-28 株式会社東芝 Ｘ線断層撮影装置
US4580219A (en) * 1983-05-02 1986-04-01 General Electric Company Method for reducing image artifacts due to projection measurement inconsistencies
US4707822A (en) * 1985-05-09 1987-11-17 Kabushiki Kaisha Toshiba Tomographic apparatus
JPH0767445B2 (ja) * 1985-10-14 1995-07-26 株式会社日立メディコ Ｘ線ｃｔ装置
US4866614A (en) * 1985-12-26 1989-09-12 General Electric Company Ultrasound characterization of 3-dimensional flaws
US4922421A (en) * 1986-12-15 1990-05-01 General Electric Company Flaw characterization by multiple angle inspection
US4888693A (en) * 1987-04-01 1989-12-19 General Electric Company Method to obtain object boundary information in limited-angle computerized tomography
US4789929A (en) * 1987-05-14 1988-12-06 Hitachi Medical Corporation CT system for spirally scanning subject on a movable bed synchronized to X-ray tube revolution
FR2624634B1 (fr) * 1987-12-09 1994-04-29 Schlumberger Etienne Procede et dispositif permettant de reconstituer la forme et la position d'objets dans l'espace
NL8800321A (nl) * 1988-02-10 1989-09-01 Philips Nv Computertomografie-inrichting voor spiraalsgewijze aftasting.
US5053958A (en) * 1988-06-06 1991-10-01 General Electric Company Method to reduce image reconstruction time in limited-angle ct systems including using initial reconstruction valves for measured projection data during each iteration
JPH0728862B2 (ja) * 1989-02-13 1995-04-05 株式会社東芝 Ｃｔ装置
US5032990A (en) * 1989-05-30 1991-07-16 General Electric Company Translate rotate scanning method for x-ray imaging
US5270923A (en) * 1989-11-02 1993-12-14 General Electric Company Computed tomographic image reconstruction method for helical scanning using interpolation of partial scans for image construction
DE69028768T2 (de) * 1990-04-04 1997-05-07 Toshiba Kawasaki Kk Verfahren und Vorrichtung zur rechnerunterstützten Erzeugung von Tomographien mittels schraubenförmiger Abtastbewegung

Also Published As

Publication number Publication date
JPH0661327B2 (ja) 1994-08-17
DE69030555D1 (de) 1997-05-28
EP0428348A3 (en) 1992-07-01
US5233518A (en) 1993-08-03
JPH03188832A (ja) 1991-08-16
EP0428348B1 (de) 1997-04-23
EP0428348A2 (de) 1991-05-22
IL96212A0 (en) 1991-08-16

Similar Documents

Publication Publication Date Title
DE69030555D1 (de) Rechnergesteuerte Tomographie mit schraubenförmiger Abtastung
DE69126243T2 (de) Computertomograph mit Scaneinrichtung
DE69028999D1 (de) Rechnergesteuertes Tomographiegerät
DE69133051T2 (de) Helical Scanning Röntgen-Computertomographiegerät
DE69311415D1 (de) Interstitielle Röntgennadel
DE68900346D1 (de) Pedikelschraube mit offenem joch.
DE3855460T2 (de) Röntgencomputertomograph
DE68928690D1 (de) Abtastsystem mit selbteingestelltem Abtastwinkel
BR8907552A (pt) Colchao
BR9000050A (pt) Tapete com tufos
DE69026479T2 (de) Datenprozessor mit Wartezustandsteuerungseinheit
EP0463770A3 (en) Computer with cache
DE69030066T2 (de) Rechner ausgestattet mit mehreren Prozessoren
BR9000945A (pt) Moldura com trava de retencao espiralada
DE69334176D1 (de) Rechnergesteuertes Schrägspurtomographiegerät mit einer zweidimensionalen Detektoranordnung
FR2647000B1 (fr) Matelas
IT1229015B (it) Tomografia.
DE69032184D1 (de) Rechnerschnittstelle
KR890018723U (ko) 높이가 변환되는 베개
KR900018239U (ko) 터프팅 매트리스
KR890016034U (ko) 시선기
DK265590A (da) Insulinanaloger
DE69014638D1 (de) Röntgenaufnahmegerät mit schlitzblenden.
SE8900948D0 (sv) Dator
DK519989D0 (da) Kombinations insulin

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee