DE2828668A1 - Anordnung zum erzeugen tomographischer bilder - Google Patents

Anordnung zum erzeugen tomographischer bilder

Info

Publication number
DE2828668A1
DE2828668A1 DE19782828668 DE2828668A DE2828668A1 DE 2828668 A1 DE2828668 A1 DE 2828668A1 DE 19782828668 DE19782828668 DE 19782828668 DE 2828668 A DE2828668 A DE 2828668A DE 2828668 A1 DE2828668 A1 DE 2828668A1
Authority
DE
Germany
Prior art keywords
evaluation function
generating
construction stage
output signal
section
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.)
Withdrawn
Application number
DE19782828668
Other languages
German (de)
English (en)
Inventor
Takayuki Hayakawa
Isao Horiba
Hideki Kohno
Chitose Nakaya
Kensuke Sekihara
Hidemi Shiono
Teruichi Tomura
Shinji Yamamoto
Shigenobu Yanaka
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 DE2828668A1 publication Critical patent/DE2828668A1/de
Withdrawn legal-status Critical Current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
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/20—Inverse problem, i.e. transformations from projection space into object space
    • 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

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Pulmonology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
  • Image Analysis (AREA)
DE19782828668 1977-10-21 1978-06-29 Anordnung zum erzeugen tomographischer bilder Withdrawn DE2828668A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12649077A JPS5459856A (en) 1977-10-21 1977-10-21 Xxray sectional image reproducer

Publications (1)

Publication Number Publication Date
DE2828668A1 true DE2828668A1 (de) 1979-04-26

Family

ID=14936488

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782828668 Withdrawn DE2828668A1 (de) 1977-10-21 1978-06-29 Anordnung zum erzeugen tomographischer bilder

Country Status (4)

Country Link
US (1) US4212062A (enExample)
JP (1) JPS5459856A (enExample)
DE (1) DE2828668A1 (enExample)
GB (1) GB2006566B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323973A (en) * 1979-12-20 1982-04-06 Greenfield George B Apparatus and method for enhancing radiographs
US4335427A (en) * 1980-04-21 1982-06-15 Technicare Corporation Method of selecting a preferred difference image
DE3043703C2 (de) 1980-11-19 1983-01-20 Siemens AG, 1000 Berlin und 8000 München Röntgendiagnostikeinrichtung zur Erstellung von Subtraktionsbildern
US4404631A (en) * 1981-01-21 1983-09-13 U.S. Philips Corporation Method of and device for coding and decoding an image of an object by means of penetrating radiation
US4504438A (en) * 1981-12-07 1985-03-12 Levy Richard H Method and apparatus for determining the density characteristics of underground earth formations
US4458688A (en) * 1982-07-06 1984-07-10 Siemens Gammasonics, Inc. Method and apparatus for cardiac nuclear imaging
NL8601004A (nl) * 1986-04-21 1987-11-16 Philips Nv Computertomografie-inrichting met gekombineerd recursief- en convolutiefilter.
US5043890A (en) * 1989-06-12 1991-08-27 General Electric Compensation of computed tomography data for objects positioned outside the field of view of the reconstructed image
US5128864A (en) * 1989-08-09 1992-07-07 W. L. Systems, Inc. Method for computing tomographic scans
US5293312A (en) * 1991-06-20 1994-03-08 Waggener Robert G Method and apparatus for computing tomographic scans
FR2701135B1 (fr) * 1993-01-29 1995-03-10 Commissariat Energie Atomique Procédé de reconstruction d'images tridimensionnelles d'un objet évoluant.
US5740224A (en) * 1994-09-27 1998-04-14 University Of Delaware Cone beam synthetic arrays in three-dimensional computerized tomography

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2504560A1 (de) * 1973-04-25 1975-08-14 Emi Ltd System zur bestimmung der absorption einer strahlung
DE2537333A1 (de) * 1975-08-21 1977-02-24 Siemens Ag Verfahren zum herstellen eines koerperschnittbildes und anordnung zur durchfuehrung des verfahrens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066903A (en) * 1974-07-20 1978-01-03 Emi Limited Radiology
US4032761A (en) * 1974-10-11 1977-06-28 E M I Limited Tomography
US4128877A (en) * 1977-03-31 1978-12-05 Katz Myron B Method of obtaining a uniquely determined cross-sectional reconstruction from X-ray projections

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2504560A1 (de) * 1973-04-25 1975-08-14 Emi Ltd System zur bestimmung der absorption einer strahlung
DE2537333A1 (de) * 1975-08-21 1977-02-24 Siemens Ag Verfahren zum herstellen eines koerperschnittbildes und anordnung zur durchfuehrung des verfahrens

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
G.N.RAMACHANDRAN, A.V.LAKSHMINARAYANAU: "Three-dimensional Reconstruction from Radio- graphes and Electron Mikrographes, Application of Concolutions instead of Fourier Transformes" in US-Z.: Proceedings of the National Academy of Science USA, Vol.68 (1971) 2236-2240 *

Also Published As

Publication number Publication date
JPH049531B2 (enExample) 1992-02-20
GB2006566A (en) 1979-05-02
GB2006566B (en) 1982-06-16
US4212062A (en) 1980-07-08
JPS5459856A (en) 1979-05-14

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Legal Events

Date Code Title Description
OAP Request for examination filed
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8130 Withdrawal