CA1061478A - Device for measuring the distribution of the absorption or the emission of radiation in a layer of a body - Google Patents

Device for measuring the distribution of the absorption or the emission of radiation in a layer of a body

Info

Publication number
CA1061478A
CA1061478A CA252,097A CA252097A CA1061478A CA 1061478 A CA1061478 A CA 1061478A CA 252097 A CA252097 A CA 252097A CA 1061478 A CA1061478 A CA 1061478A
Authority
CA
Canada
Prior art keywords
values
measuring
layer
absorption
generators
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
CA252,097A
Other languages
English (en)
French (fr)
Inventor
Gunter Kowalski
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1061478A publication Critical patent/CA1061478A/en
Expired legal-status Critical Current

Links

Classifications

    • 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Pulmonology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Nuclear Medicine (AREA)
  • Image Analysis (AREA)
CA252,097A 1975-05-13 1976-05-10 Device for measuring the distribution of the absorption or the emission of radiation in a layer of a body Expired CA1061478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752521171 DE2521171A1 (de) 1975-05-13 1975-05-13 Anordnung zur ermittlung der verteilung der absorption oder der emission von strahlung in einer ebene eines koerpers

Publications (1)

Publication Number Publication Date
CA1061478A true CA1061478A (en) 1979-08-28

Family

ID=5946398

Family Applications (1)

Application Number Title Priority Date Filing Date
CA252,097A Expired CA1061478A (en) 1975-05-13 1976-05-10 Device for measuring the distribution of the absorption or the emission of radiation in a layer of a body

Country Status (8)

Country Link
JP (1) JPS51146884A (enrdf_load_stackoverflow)
BE (1) BE841756A (enrdf_load_stackoverflow)
CA (1) CA1061478A (enrdf_load_stackoverflow)
DE (1) DE2521171A1 (enrdf_load_stackoverflow)
ES (1) ES447778A1 (enrdf_load_stackoverflow)
FR (1) FR2311358A1 (enrdf_load_stackoverflow)
GB (1) GB1553857A (enrdf_load_stackoverflow)
IT (1) IT1061971B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2556012A1 (de) * 1975-12-12 1977-06-16 Philips Patentverwaltung Verfahren und anordnung zur ermittlung der raeumlichen verteilung einer strahlung in einer ebene eines koerpers
NL7902015A (nl) * 1979-03-14 1980-09-16 Philips Nv Werkwijze en inrichting voor het bepalen van een stralingsabsorptieverdeling in een deel van een lichaam.
JPS58118735A (ja) * 1982-01-06 1983-07-14 株式会社東芝 コンピユ−タ断層撮影装置
US5015856A (en) * 1990-03-28 1991-05-14 E. I. Du Pont De Nemours And Company Automated process for permeability determinations of barrier resins
JP5635732B2 (ja) * 2005-12-15 2014-12-03 コーニンクレッカ フィリップス エヌ ヴェ 複数繰り返しアルゴリズムの進行的な収束
WO2011005862A2 (en) * 2009-07-07 2011-01-13 The Board Of Regents Of The University Of Texas System Liquid scintillator for 3d dosimetry for radiotherapy modalities

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
GB1464864A (en) * 1973-05-23 1977-02-16 Emi Ltd Data processing techniques

Also Published As

Publication number Publication date
FR2311358B1 (enrdf_load_stackoverflow) 1982-10-15
BE841756A (fr) 1976-11-12
JPS51146884A (en) 1976-12-16
ES447778A1 (es) 1977-06-16
FR2311358A1 (fr) 1976-12-10
DE2521171A1 (de) 1976-11-25
IT1061971B (it) 1983-04-30
GB1553857A (en) 1979-10-10

Similar Documents

Publication Publication Date Title
US6980683B2 (en) On-line correction of patient motion in three-dimensional positron emission tomography
US4482958A (en) Data processing device for computed tomography system
US4216526A (en) Organization of tomographic data for a two dimensional display
US5048102A (en) Multiple interpolation process for image correction
EP0450718B1 (en) Apparatus for geometrical correction of a distorted image
US4135247A (en) Tomography signal processing system
JP3708434B2 (ja) 反復円錐ビームｃｔ画像再構成
EP0037039A2 (en) Image reconstruction apparatus
US4144569A (en) Method and arrangement for compensating motion artifacts in computed tomography
US4144570A (en) Method of and device for measuring the distribution of a radiation in a plane of a body
US4780823A (en) Multiple pixel area-weighted acquisition system for scintillation cameras
US5414622A (en) Method and apparatus for back projecting image data into an image matrix location
GB1594561A (en) Method and apparatus for tomography using radiation
US4682289A (en) View interpolation in a tomography system using pipe line processing
CA1061478A (en) Device for measuring the distribution of the absorption or the emission of radiation in a layer of a body
Harrison et al. The determination of anatomical cross-sections using a radiotherapy simulator
EP0182186A2 (en) Back projection image reconstruction apparatus and method
US7366277B2 (en) Tomographic device and method therefor
US4167039A (en) Device for measuring the distribution of the absorption of the emission of radiation in a layer of a body
US4212062A (en) Tomographic imaging system
US4930076A (en) Systolic radon transform processor
US5034905A (en) Divider circuit using analog-digital converter
JPH02149257A (ja) コンピユータトモグラフ
JPS61130900A (ja) 物体の層映像を形成するための方法と装置
US4002913A (en) Radiology