SE437763B - Apparat for att aterge ett omrade av ett foremal - Google Patents

Apparat for att aterge ett omrade av ett foremal

Info

Publication number
SE437763B
SE437763B SE7707270A SE7707270A SE437763B SE 437763 B SE437763 B SE 437763B SE 7707270 A SE7707270 A SE 7707270A SE 7707270 A SE7707270 A SE 7707270A SE 437763 B SE437763 B SE 437763B
Authority
SE
Sweden
Prior art keywords
formal
replacing
area
Prior art date
Application number
SE7707270A
Other languages
English (en)
Swedish (sv)
Other versions
SE7707270L (sv
Inventor
J M Pavkovich
Original Assignee
Siemens Ag
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 US05/760,492 external-priority patent/US4149249A/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of SE7707270L publication Critical patent/SE7707270L/xx
Publication of SE437763B publication Critical patent/SE437763B/xx

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
    • 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
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Algebra (AREA)
  • Pulmonology (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image Analysis (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
SE7707270A 1977-01-19 1977-06-22 Apparat for att aterge ett omrade av ett foremal SE437763B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/760,492 US4149249A (en) 1975-12-23 1977-01-19 Apparatus and method for reconstructing data

Publications (2)

Publication Number Publication Date
SE7707270L SE7707270L (sv) 1978-07-20
SE437763B true SE437763B (sv) 1985-03-18

Family

ID=25059266

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7707270A SE437763B (sv) 1977-01-19 1977-06-22 Apparat for att aterge ett omrade av ett foremal

Country Status (7)

Country Link
JP (1) JPS5396689A (enrdf_load_html_response)
CA (1) CA1111575A (enrdf_load_html_response)
DE (1) DE2735437A1 (enrdf_load_html_response)
FR (1) FR2378289A2 (enrdf_load_html_response)
IT (1) IT1151463B (enrdf_load_html_response)
NL (1) NL7706873A (enrdf_load_html_response)
SE (1) SE437763B (enrdf_load_html_response)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2816462A1 (de) * 1978-04-15 1979-10-25 Philips Patentverwaltung Verfahren zur erzeugung verbesserter rekonstruktionsbilder in computer-tomographiegeraeten
NL8204086A (nl) * 1982-10-22 1984-05-16 Philips Nv Werkwijze en inrichting voor het bepalen van een stralingsverzwakkingsverdeling in een vlak van een lichaam.
JPH0441844Y2 (enrdf_load_html_response) * 1984-11-02 1992-10-01
JP4585815B2 (ja) * 2004-09-03 2010-11-24 キヤノン株式会社 情報処理装置、撮影システム、吸収係数補正方法、及びコンピュータプログラム

Family Cites Families (6)

* 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
GB1471531A (en) * 1973-04-25 1977-04-27 Emi Ltd Radiography
GB1478123A (en) * 1973-08-18 1977-06-29 Emi Ltd Tomography
GB1526764A (en) * 1974-11-29 1978-09-27 Univ Leland Stanford Junior Position sensitive x-ray or ypsilon-ray detector and 3-d tomography using same
GB1537487A (en) * 1975-03-18 1978-12-29 Emi Ltd Radiography
US4149247A (en) * 1975-12-23 1979-04-10 Varian Associates, Inc. Tomographic apparatus and method for reconstructing planar slices from non-absorbed and non-scattered radiation

Also Published As

Publication number Publication date
JPS6314983B2 (enrdf_load_html_response) 1988-04-02
NL7706873A (nl) 1978-07-21
JPS5396689A (en) 1978-08-24
FR2378289A2 (fr) 1978-08-18
FR2378289B2 (enrdf_load_html_response) 1983-08-19
CA1111575A (en) 1981-10-27
IT1151463B (it) 1986-12-17
SE7707270L (sv) 1978-07-20
DE2735437A1 (de) 1978-07-20

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