NL193557B - Inrichting voor het herschikken van divergerende bundels. - Google Patents

Inrichting voor het herschikken van divergerende bundels.

Info

Publication number
NL193557B
NL193557B NL8304091A NL8304091A NL193557B NL 193557 B NL193557 B NL 193557B NL 8304091 A NL8304091 A NL 8304091A NL 8304091 A NL8304091 A NL 8304091A NL 193557 B NL193557 B NL 193557B
Authority
NL
Netherlands
Prior art keywords
rearranging
divergent beams
divergent
beams
rearranging divergent
Prior art date
Application number
NL8304091A
Other languages
English (en)
Other versions
NL8304091A (nl
NL193557C (nl
Original Assignee
Elscint Ltd
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 Elscint Ltd filed Critical Elscint Ltd
Publication of NL8304091A publication Critical patent/NL8304091A/nl
Publication of NL193557B publication Critical patent/NL193557B/nl
Application granted granted Critical
Publication of NL193557C publication Critical patent/NL193557C/nl

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
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
NL8304091A 1982-11-29 1983-11-29 Inrichting voor het herschikken van divergerende bundels. NL193557C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44519182 1982-11-29
US06/445,191 US4570224A (en) 1982-11-29 1982-11-29 Combining rebinned and unrebinned parallel ray data with unequal lateral spacing to create tomograph images

Publications (3)

Publication Number Publication Date
NL8304091A NL8304091A (nl) 1984-06-18
NL193557B true NL193557B (nl) 1999-10-01
NL193557C NL193557C (nl) 2000-02-02

Family

ID=23767934

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8304091A NL193557C (nl) 1982-11-29 1983-11-29 Inrichting voor het herschikken van divergerende bundels.

Country Status (6)

Country Link
US (1) US4570224A (nl)
JP (1) JPH0696001B2 (nl)
DE (1) DE3342075C2 (nl)
FR (1) FR2536862B1 (nl)
IL (1) IL70212A (nl)
NL (1) NL193557C (nl)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682291A (en) * 1984-10-26 1987-07-21 Elscint Ltd. Noise artifacts reduction
JPS61185256A (ja) * 1985-02-13 1986-08-18 株式会社日立メデイコ Ｘ線ｃｔ画像処理装置
GB8507449D0 (en) * 1985-03-22 1985-05-01 Quantel Ltd Video image processing systems
KR880000085B1 (ko) * 1985-05-22 1988-02-23 가부시기가이샤 히다찌메디코 X선 단층 촬영장치(x線斷層撮影裝置)
US4792900A (en) * 1986-11-26 1988-12-20 Picker International, Inc. Adaptive filter for dual energy radiographic imaging
IL83233A (en) * 1987-07-17 1991-01-31 Elscint Ltd Reconstruction in ct scanners using divergent beams
JPH0212472A (ja) * 1988-06-30 1990-01-17 Yokogawa Medical Syst Ltd ２倍拡大機能を持った画像再構成方法及び装置
JPH0798039B2 (ja) * 1988-07-20 1995-10-25 三菱電機株式会社 コンピュータ断層撮影装置
US5128864A (en) * 1989-08-09 1992-07-07 W. L. Systems, Inc. Method for computing tomographic scans
US5210688A (en) * 1990-05-21 1993-05-11 General Motors Corporation Sinography method and apparatus
US5251128A (en) * 1990-11-19 1993-10-05 General Electric Company Motion artifact reduction in projection imaging
US5293312A (en) * 1991-06-20 1994-03-08 Waggener Robert G Method and apparatus for computing tomographic scans
WO1998047103A1 (en) * 1997-04-17 1998-10-22 Ge Medical Systems Israel, Ltd. Direct tomographic reconstruction
DE10014668A1 (de) * 1999-02-22 2001-10-04 Gen Electric Computertomographierekonstruktion unter Verwendung einer Schattenzonenausbesserung
JP4612290B2 (ja) * 2002-09-09 2011-01-12 株式会社東芝 コンピュータ断層撮影装置及びプログラム
DE10252661A1 (de) * 2002-11-11 2004-05-27 Philips Intellectual Property & Standards Gmbh Exaktes Computertomographie-Verfahren und Computertomograph
EP1728207B1 (en) * 2004-03-17 2015-06-17 Philips Intellectual Property & Standards GmbH Multiple focus acquisition
US7583777B2 (en) * 2004-07-21 2009-09-01 General Electric Company Method and apparatus for 3D reconstruction of images
WO2006070316A1 (en) * 2004-12-29 2006-07-06 Philips Intellectual Property & Standards Gmbh Apparatus and method for artifact correction of x-ray projections
CN103961122B (zh) * 2013-01-31 2018-07-31 通用电气公司 用于非等γ角CT系统中数据转换的方法和装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US30947A (en) * 1860-12-18 mahan
GB1283915A (en) * 1968-08-23 1972-08-02 Emi Ltd A method of and apparatus for examination of a body by radiation such as x or gamma radiation
US4075492A (en) * 1974-11-29 1978-02-21 The Board Of Trustees Of Leland Stanford Junior University Fan beam X- or γ-ray 3-D tomography
USRE30947E (en) * 1974-11-29 1982-05-25 Stanford University Method and apparatus for X-ray or γ-ray 3-D tomography using a fan beam
US3983398A (en) * 1974-11-29 1976-09-28 The Board Of Trustees Of Leland Stanford Junior University Method and apparatus for X-ray or γ-ray 3-D tomography using a fan beam
AU522916B2 (en) * 1977-09-30 1982-07-01 Ohio Nuclear X-ray tomographic apparatus
JPS5481095A (en) * 1977-12-12 1979-06-28 Toshiba Corp Computer tomography device
DE2816462A1 (de) * 1978-04-15 1979-10-25 Philips Patentverwaltung Verfahren zur erzeugung verbesserter rekonstruktionsbilder in computer-tomographiegeraeten
US4222104A (en) * 1978-11-02 1980-09-09 E M I Limited Radiography
JPS5599240A (en) * 1979-01-22 1980-07-29 Tokyo Shibaura Electric Co Ct scanner
US4352021A (en) * 1980-01-07 1982-09-28 The Regents Of The University Of California X-Ray transmission scanning system and method and electron beam X-ray scan tube for use therewith

Also Published As

Publication number Publication date
DE3342075A1 (de) 1984-06-20
IL70212A (en) 1987-03-31
NL8304091A (nl) 1984-06-18
DE3342075C2 (de) 1994-02-10
NL193557C (nl) 2000-02-02
FR2536862A1 (fr) 1984-06-01
IL70212A0 (en) 1984-02-29
FR2536862B1 (fr) 1991-10-25
US4570224A (en) 1986-02-11
JPH0696001B2 (ja) 1994-11-30
JPS59151944A (ja) 1984-08-30

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

Effective date: 20031129