ATE422333T1 - Computertomographie-darstellung mit pixel-versatz und fokaler punkt-modulation - Google Patents

Computertomographie-darstellung mit pixel-versatz und fokaler punkt-modulation

Info

Publication number
ATE422333T1
ATE422333T1 AT05702654T AT05702654T ATE422333T1 AT E422333 T1 ATE422333 T1 AT E422333T1 AT 05702654 T AT05702654 T AT 05702654T AT 05702654 T AT05702654 T AT 05702654T AT E422333 T1 ATE422333 T1 AT E422333T1
Authority
AT
Austria
Prior art keywords
focal point
computer tomography
pixel offset
axial direction
point modulation
Prior art date
Application number
AT05702654T
Other languages
English (en)
Inventor
Dominic Heuscher
Steven Utrup
Gilad Shechter
Thomas Koehler
Original Assignee
Koninkl Philips Electronics 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE422333T1 publication Critical patent/ATE422333T1/de

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]
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • 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
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AT05702654T 2004-01-29 2005-01-12 Computertomographie-darstellung mit pixel-versatz und fokaler punkt-modulation ATE422333T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54020804P 2004-01-29 2004-01-29

Publications (1)

Publication Number Publication Date
ATE422333T1 true ATE422333T1 (de) 2009-02-15

Family

ID=34826202

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05702654T ATE422333T1 (de) 2004-01-29 2005-01-12 Computertomographie-darstellung mit pixel-versatz und fokaler punkt-modulation

Country Status (6)

Country Link
EP (1) EP1713392B1 (de)
JP (1) JP4763620B2 (de)
CN (1) CN100563569C (de)
AT (1) ATE422333T1 (de)
DE (1) DE602005012675D1 (de)
WO (1) WO2005072612A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007026273A2 (en) 2005-09-02 2007-03-08 Koninklijke Philips Electronics, N.V. Improved rebinning for computed tomography imaging
JP2007151806A (ja) * 2005-12-05 2007-06-21 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ撮像方法およびｘ線ｃｔ装置
US7551712B2 (en) 2006-04-20 2009-06-23 General Electric Company CT detector with non-rectangular cells
JP5183988B2 (ja) * 2007-07-12 2013-04-17 株式会社日立メディコ 放射線ｃｔ装置
US7929659B2 (en) 2008-07-24 2011-04-19 General Electric Company System and method for generating computed tomography images
DE102010027791A1 (de) * 2010-04-15 2011-10-20 Siemens Aktiengesellschaft Strahlungsdetektor mit einem matrixartigen Muster an Detektorelementen
CN101862197A (zh) * 2010-06-02 2010-10-20 中国科学院长春光学精密机械与物理研究所 全身x射线数字成像系统
CN103069302B (zh) 2010-08-26 2019-04-16 皇家飞利浦电子股份有限公司 像素化的探测器设备
US9116248B2 (en) 2011-02-17 2015-08-25 Analogic Corporation Detector array having effective size larger than actual size
CN102727230B (zh) * 2011-04-02 2014-06-04 沈阳东软医疗系统有限公司 Ct扫描图像重建方法及装置
KR101253115B1 (ko) 2012-11-21 2013-04-10 건국대학교 산학협력단 골격 맞춤형 골밀도 측정 장치 및 방법
US10058293B2 (en) * 2016-02-19 2018-08-28 Morpho Detection, Llc Detector assemblies and methods for helical CT scanning
JP6649207B2 (ja) 2016-08-26 2020-02-19 株式会社東芝 受光装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL72276A (en) * 1983-07-28 1988-01-31 Elscint Ltd Computerized tomographic system with improved resolution
US4817123A (en) * 1984-09-21 1989-03-28 Picker International Digital radiography detector resolution improvement
EP0176314B1 (de) * 1984-09-21 1992-06-10 Picker International, Inc. Röntgen-Anordnung
JPS61209641A (ja) * 1985-03-15 1986-09-17 株式会社東芝 Ｘ線ｃｔ装置
JPH0223946A (ja) * 1988-07-14 1990-01-26 Toshiba Corp Ｘ線ｃｔ装置
US5361291A (en) * 1991-11-20 1994-11-01 General Electric Company Deconvolution filter for CT system
JP3340203B2 (ja) * 1993-09-17 2002-11-05 株式会社東芝 Ｘ線ｃｔ装置
US5510622A (en) * 1994-07-21 1996-04-23 General Electric Company X-ray detector array with reduced effective pitch
IL119714A0 (en) * 1996-11-28 1997-02-18 Elscint Ltd CT system with oblique image planes
US6256369B1 (en) * 1999-03-31 2001-07-03 Analogic Corporation Computerized tomography scanner with longitudinal flying focal spot
JP4451554B2 (ja) * 1999-08-23 2010-04-14 Ｇｅヘルスケア・ジャパン株式会社 プロジェクションデータ補正方法、プロジェクションデータ補正装置、記録媒体および放射線断層撮像装置
US6873678B2 (en) * 2000-12-28 2005-03-29 Ge Medical Systems Global Technology Company Llc Methods and apparatus for computed tomographic cardiac or organ imaging
JP2002301056A (ja) * 2001-04-04 2002-10-15 Toshiba Medical System Co Ltd Ｘ線ｃｔ装置およびｘ線検出器
EP1509883B1 (de) 2002-05-06 2009-11-25 Koninklijke Philips Electronics N.V. Hochauflösender ct-scanner

Also Published As

Publication number Publication date
JP4763620B2 (ja) 2011-08-31
DE602005012675D1 (de) 2009-03-26
WO2005072612A1 (en) 2005-08-11
CN100563569C (zh) 2009-12-02
EP1713392A1 (de) 2006-10-25
JP2007519461A (ja) 2007-07-19
EP1713392B1 (de) 2009-02-11
CN1913830A (zh) 2007-02-14

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Legal Events

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