JPS5466791A - Xxray ct - Google Patents

Xxray ct

Info

Publication number
JPS5466791A
JPS5466791A JP12113378A JP12113378A JPS5466791A JP S5466791 A JPS5466791 A JP S5466791A JP 12113378 A JP12113378 A JP 12113378A JP 12113378 A JP12113378 A JP 12113378A JP S5466791 A JPS5466791 A JP S5466791A
Authority
JP
Japan
Prior art keywords
xxray
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
JP12113378A
Other languages
Japanese (ja)
Inventor
Jiin Warutaazu Ronarudo
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.)
Ohio Nuclear Inc
Original Assignee
Ohio Nuclear Inc
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 Ohio Nuclear Inc filed Critical Ohio Nuclear Inc
Publication of JPS5466791A publication Critical patent/JPS5466791A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4275—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis using a detector unit almost surrounding the patient, e.g. more than 180°
    • 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]
    • 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
    • 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]
JP12113378A 1977-09-30 1978-09-29 Xxray ct Pending JPS5466791A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83808477A 1977-09-30 1977-09-30

Publications (1)

Publication Number Publication Date
JPS5466791A true JPS5466791A (en) 1979-05-29

Family

ID=25276216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12113378A Pending JPS5466791A (en) 1977-09-30 1978-09-29 Xxray ct

Country Status (5)

Country Link
JP (1) JPS5466791A (en)
AU (1) AU522916B2 (en)
DE (1) DE2842518A1 (en)
FR (1) FR2433927A1 (en)
GB (1) GB2005514B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5998276A (en) * 1982-10-22 1984-06-06 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Method and apparatus for determining distribution of radiation attenuation within object part
JPS6089277A (en) * 1983-10-19 1985-05-20 Yokogawa Hokushin Electric Corp Back projection device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288695A (en) * 1979-04-13 1981-09-08 Technicare Corporation Computerized tomographic scanner with shaped radiation filter
HU188200B (en) * 1982-09-03 1986-03-28 Medicor Muevek,Hu Convolver
EP0109205A3 (en) * 1982-11-15 1985-07-31 Picker International, Inc. Method and apparatus for computed tomography imaging
US4570224A (en) * 1982-11-29 1986-02-11 Elscint, Inc. Combining rebinned and unrebinned parallel ray data with unequal lateral spacing to create tomograph images
US4590559A (en) * 1983-11-23 1986-05-20 Tokyo Shibaura Denki Kabushiki Kaisha Data disc system for a computed tomography X-ray scanner
WO2009063353A2 (en) * 2007-11-15 2009-05-22 Koninklijke Philips Electronics N.V. Movable wedge for improved image quality in 3d x-ray imaging

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52106698A (en) * 1977-03-03 1977-09-07 Emi Ltd Radiation photograph

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US3965353A (en) * 1974-12-06 1976-06-22 Albert Macovski Cross-sectional X-ray emission imaging system
GB1537487A (en) * 1975-03-18 1978-12-29 Emi Ltd Radiography
GB1571509A (en) * 1976-03-03 1980-07-16 Emi Ltd Radiography

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52106698A (en) * 1977-03-03 1977-09-07 Emi Ltd Radiation photograph

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5998276A (en) * 1982-10-22 1984-06-06 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Method and apparatus for determining distribution of radiation attenuation within object part
JPH0415505B2 (en) * 1982-10-22 1992-03-18 Fuiritsupusu Furuuiranpenfuaburiken Nv
JPS6089277A (en) * 1983-10-19 1985-05-20 Yokogawa Hokushin Electric Corp Back projection device
JPH0222419B2 (en) * 1983-10-19 1990-05-18 Yokogawa Electric Corp

Also Published As

Publication number Publication date
FR2433927B1 (en) 1984-06-29
FR2433927A1 (en) 1980-03-21
AU3845378A (en) 1980-01-31
AU522916B2 (en) 1982-07-01
GB2005514A (en) 1979-04-19
DE2842518A1 (en) 1979-04-05
GB2005514B (en) 1982-03-17

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