NL193556C - Computer-tomogram-scanner. - Google Patents

Computer-tomogram-scanner. Download PDF

Info

Publication number
NL193556C
NL193556C NL8601284A NL8601284A NL193556C NL 193556 C NL193556 C NL 193556C NL 8601284 A NL8601284 A NL 8601284A NL 8601284 A NL8601284 A NL 8601284A NL 193556 C NL193556 C NL 193556C
Authority
NL
Netherlands
Prior art keywords
data
ray
scanner
ray source
distance
Prior art date
Application number
NL8601284A
Other languages
English (en)
Dutch (nl)
Other versions
NL193556B (nl
NL8601284A (nl
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 NL8601284A publication Critical patent/NL8601284A/nl
Publication of NL193556B publication Critical patent/NL193556B/xx
Application granted granted Critical
Publication of NL193556C publication Critical patent/NL193556C/nl

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • 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]
    • 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]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • 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

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image Processing (AREA)
NL8601284A 1985-05-22 1986-05-21 Computer-tomogram-scanner. NL193556C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10976485 1985-05-22
JP10976485 1985-05-22

Publications (3)

Publication Number Publication Date
NL8601284A NL8601284A (nl) 1986-12-16
NL193556B NL193556B (nl) 1999-10-01
NL193556C true NL193556C (nl) 2000-02-02

Family

ID=14518634

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8601284A NL193556C (nl) 1985-05-22 1986-05-21 Computer-tomogram-scanner.

Country Status (4)

Country Link
US (1) US4769757A (ko)
KR (1) KR880000085B1 (ko)
DE (1) DE3616881A1 (ko)
NL (1) NL193556C (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4873632A (en) * 1984-04-27 1989-10-10 The Curators Of The University Of Missouri Apparatus and methods for scatter reduction in radiation imaging
US5128864A (en) * 1989-08-09 1992-07-07 W. L. Systems, Inc. Method for computing tomographic scans
US5229934A (en) * 1990-06-18 1993-07-20 Picker International, Inc. Post-processing technique for cleaning up streaks and artifacts in diagnostic images
DE4124775A1 (de) * 1990-08-03 1992-02-13 Thomas Chung Uhr
KR100383551B1 (ko) * 2001-04-06 2003-05-12 경 연 김 확장 칼만필터를 이용한 전기 임피던스 단층촬영법에서의동적 영상복원시스템과 방법 및 그 방법에 관한 컴퓨터프로그램 소스를 저장한 기록매체
JP4412704B2 (ja) * 2003-06-09 2010-02-10 キヤノン株式会社 画像処理方法および装置並びにｘ線撮影装置
ATE490477T1 (de) * 2004-06-09 2010-12-15 Koninkl Philips Electronics Nv Computerisiertes tomographieverfahren mit helixförmiger relativbewegung und konischem strahl
EP2433265B1 (en) 2009-05-18 2013-06-19 Koninklijke Philips Electronics N.V. Interpolation free fan-to-parallel beam rebinning

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US30947A (en) * 1860-12-18 mahan
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
NL7607976A (nl) * 1976-07-19 1978-01-23 Optische Ind De Oude Delft Nv Inrichting voor tomografie met voorzieningen waardoor signaalprofielen afgeleid van een di- vergerende stralingsbundel kunnen worden gere- construeerd in signaalprofielen die elk corre- sponderen met een bundel van evenwijdig inval- lende stralen.
NL7908545A (nl) * 1979-11-23 1981-06-16 Philips Nv Inrichting voor het bepalen van een stralingsabsorptie- verdeling in een vlak van een lichaam.
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
US4682291A (en) * 1984-10-26 1987-07-21 Elscint Ltd. Noise artifacts reduction

Also Published As

Publication number Publication date
DE3616881A1 (de) 1986-11-27
NL193556B (nl) 1999-10-01
KR880000085B1 (ko) 1988-02-23
NL8601284A (nl) 1986-12-16
KR860009603A (ko) 1986-12-23
US4769757A (en) 1988-09-06

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 20011201