DE69225825T2 - Röntgenstrahl-Computertomograph - Google Patents

Röntgenstrahl-Computertomograph

Info

Publication number
DE69225825T2
DE69225825T2 DE69225825T DE69225825T DE69225825T2 DE 69225825 T2 DE69225825 T2 DE 69225825T2 DE 69225825 T DE69225825 T DE 69225825T DE 69225825 T DE69225825 T DE 69225825T DE 69225825 T2 DE69225825 T2 DE 69225825T2
Authority
DE
Germany
Prior art keywords
computer tomograph
ray computer
ray
tomograph
computer
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
DE69225825T
Other languages
English (en)
Other versions
DE69225825D1 (de
Inventor
Akinami Ohhashi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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
Priority claimed from JP03057063A external-priority patent/JP3100650B2/ja
Priority claimed from JP5876991A external-priority patent/JP3369194B2/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of DE69225825D1 publication Critical patent/DE69225825D1/de
Application granted granted Critical
Publication of DE69225825T2 publication Critical patent/DE69225825T2/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
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE69225825T 1991-03-20 1992-03-18 Röntgenstrahl-Computertomograph Expired - Fee Related DE69225825T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP03057063A JP3100650B2 (ja) 1991-03-20 1991-03-20 Ｘ線コンピュータ断層像撮影装置
JP5876991A JP3369194B2 (ja) 1991-03-22 1991-03-22 Ｘ線コンピュータ断層像撮影装置

Publications (2)

Publication Number Publication Date
DE69225825D1 DE69225825D1 (de) 1998-07-16
DE69225825T2 true DE69225825T2 (de) 1999-02-25

Family

ID=26398067

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225825T Expired - Fee Related DE69225825T2 (de) 1991-03-20 1992-03-18 Röntgenstrahl-Computertomograph

Country Status (3)

Country Link
US (1) US5315665A (de)
EP (1) EP0504855B1 (de)
DE (1) DE69225825T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5524130A (en) * 1992-08-28 1996-06-04 Kabushiki Kaisha Toshiba Computed tomography apparatus
DE4321080C1 (de) * 1993-06-24 1994-12-08 Siemens Ag Computertomograph mit Spiralabtastung
JPH10124649A (ja) * 1996-10-21 1998-05-15 Toshiba Iyou Syst Eng Kk Ｍｐｒ画像作成装置
IL119714A0 (en) 1996-11-28 1997-02-18 Elscint Ltd CT system with oblique image planes
EP1006878B1 (de) * 1997-02-20 2007-04-04 Picker Medical Systems, Ltd. Dynamische echtzeit-bildrekonstruktion
US6055449A (en) * 1997-09-22 2000-04-25 Siemens Corporate Research, Inc. Method for localization of a biopsy needle or similar surgical tool in a radiographic image
US7209580B2 (en) * 2001-03-12 2007-04-24 Koninklijke Philips Electronics N.V. Fast computed tomography method
FR2846830B1 (fr) * 2002-10-31 2005-01-21 Ge Med Sys Global Tech Co Llc Procede de filtrage spatio-temporel du bruit fluoroscopique
SE0203567D0 (sv) * 2002-12-03 2002-12-03 Mentice Ab An interventional simulator control system
EP1576566B1 (de) * 2002-12-03 2018-06-13 Mentice AB Interventionelles simulatorsystem
CN103479379B (zh) * 2013-09-06 2015-08-26 沈阳东软医疗系统有限公司 一种倾斜螺旋扫描的图像重建方法及装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293912A (en) * 1977-09-30 1981-10-06 Technicare Corporation Tomographic apparatus
JPS57134142A (en) * 1981-02-12 1982-08-19 Tokyo Shibaura Electric Co Computed tomography apparatus
JPH0728862B2 (ja) * 1989-02-13 1995-04-05 株式会社東芝 Ｃｔ装置
US5216601A (en) * 1989-11-22 1993-06-01 General Electric Company Method for fan beam helical scanning using rebinning
JPH0787835B2 (ja) * 1990-06-27 1995-09-27 株式会社東芝 Ｘ線断層撮影装置

Also Published As

Publication number Publication date
EP0504855A3 (en) 1993-11-18
DE69225825D1 (de) 1998-07-16
US5315665A (en) 1994-05-24
EP0504855A2 (de) 1992-09-23
EP0504855B1 (de) 1998-06-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: KRAMER - BARSKE - SCHMIDTCHEN, 81245 MUENCHEN

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee