GB1587217A - Method of reconstructing cross-section image - Google Patents

Method of reconstructing cross-section image Download PDF

Info

Publication number
GB1587217A
GB1587217A GB49277/77A GB4927777A GB1587217A GB 1587217 A GB1587217 A GB 1587217A GB 49277/77 A GB49277/77 A GB 49277/77A GB 4927777 A GB4927777 A GB 4927777A GB 1587217 A GB1587217 A GB 1587217A
Authority
GB
United Kingdom
Prior art keywords
memory
function
image
cross
functions
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
Application number
GB49277/77A
Other languages
English (en)
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.)
Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Medical 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
Application filed by Hitachi Medical Corp filed Critical Hitachi Medical Corp
Publication of GB1587217A publication Critical patent/GB1587217A/en
Expired 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
    • 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]
    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
GB49277/77A 1976-11-29 1977-11-25 Method of reconstructing cross-section image Expired GB1587217A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14225676A JPS5367394A (en) 1976-11-29 1976-11-29 Tomographic reproducing method

Publications (1)

Publication Number Publication Date
GB1587217A true GB1587217A (en) 1981-04-01

Family

ID=15311080

Family Applications (1)

Application Number Title Priority Date Filing Date
GB49277/77A Expired GB1587217A (en) 1976-11-29 1977-11-25 Method of reconstructing cross-section image

Country Status (3)

Country Link
JP (1) JPS5367394A (US08066781-20111129-C00013.png)
DE (1) DE2753043A1 (US08066781-20111129-C00013.png)
GB (1) GB1587217A (US08066781-20111129-C00013.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829797U (ja) * 1981-08-24 1983-02-26 不二サッシ株式会社 網戸
JPS5839998U (ja) * 1981-09-09 1983-03-16 不二サッシ株式会社 網戸

Family Cites Families (2)

* 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
DE2504560A1 (de) * 1973-04-25 1975-08-14 Emi Ltd System zur bestimmung der absorption einer strahlung

Also Published As

Publication number Publication date
JPS5367394A (en) 1978-06-15
DE2753043A1 (de) 1978-06-08
JPS5533337B2 (US08066781-20111129-C00013.png) 1980-08-30
DE2753043C2 (US08066781-20111129-C00013.png) 1987-06-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19971124