DE602005025118D1 - Computerisiertes tomographieverfahren mit helixför - Google Patents

Computerisiertes tomographieverfahren mit helixför

Info

Publication number
DE602005025118D1
DE602005025118D1 DE602005025118T DE602005025118T DE602005025118D1 DE 602005025118 D1 DE602005025118 D1 DE 602005025118D1 DE 602005025118 T DE602005025118 T DE 602005025118T DE 602005025118 T DE602005025118 T DE 602005025118T DE 602005025118 D1 DE602005025118 D1 DE 602005025118D1
Authority
DE
Germany
Prior art keywords
filter
values
filtering
generated
measured values
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.)
Active
Application number
DE602005025118T
Other languages
English (en)
Inventor
Claas Bontus
Thomas Koehler
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.)
Philips Intellectual Property and Standards GmbH
Original Assignee
Philips Intellectual Property and Standards GmbH
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 Intellectual Property and Standards GmbH filed Critical Philips Intellectual Property and Standards GmbH
Publication of DE602005025118D1 publication Critical patent/DE602005025118D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • A61B6/4042—K-edge filters
    • 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
    • A61B6/02—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
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Glass Compositions (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE602005025118T 2004-06-09 2005-06-09 Computerisiertes tomographieverfahren mit helixför Active DE602005025118D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04102608 2004-06-09
PCT/IB2005/051904 WO2005121836A1 (en) 2004-06-09 2005-06-09 Computerized tomography method with helical relative movement and conical beam

Publications (1)

Publication Number Publication Date
DE602005025118D1 true DE602005025118D1 (de) 2011-01-13

Family

ID=34969422

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005025118T Active DE602005025118D1 (de) 2004-06-09 2005-06-09 Computerisiertes tomographieverfahren mit helixför

Country Status (6)

Country Link
US (1) US7430270B2 (de)
EP (1) EP1759225B1 (de)
JP (1) JP5180584B2 (de)
AT (1) ATE490477T1 (de)
DE (1) DE602005025118D1 (de)
WO (1) WO2005121836A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8204173B2 (en) * 2003-04-25 2012-06-19 Rapiscan Systems, Inc. System and method for image reconstruction by using multi-sheet surface rebinning
US8804899B2 (en) 2003-04-25 2014-08-12 Rapiscan Systems, Inc. Imaging, data acquisition, data transmission, and data distribution methods and systems for high data rate tomographic X-ray scanners
CN101176117B (zh) * 2005-05-13 2010-12-22 皇家飞利浦电子股份有限公司 对于螺旋状锥形波束ct的重建方法
CN101730906B (zh) * 2007-08-10 2012-06-13 迈克尔·费尔斯贝格 图像重建
CN101897593B (zh) * 2009-05-26 2014-08-13 清华大学 一种计算机层析成像设备和方法
DE102010026374A1 (de) * 2010-07-07 2012-01-12 Siemens Aktiengesellschaft Verfahren zur Rekonstruktion eines dreidimensionalen Bilddatensatzes und Röntgeneinrichtung
CN102456227B (zh) * 2010-10-28 2015-05-27 清华大学 Ct图像重建方法及装置
US8805037B2 (en) 2011-05-31 2014-08-12 General Electric Company Method and system for reconstruction of tomographic images
CN105093342B (zh) * 2014-05-14 2017-11-17 同方威视技术股份有限公司 螺旋ct系统及重建方法
CN104900180B (zh) * 2015-07-01 2018-02-13 京东方科技集团股份有限公司 一种源极驱动电路及其驱动方法、显示装置
CN106530366B (zh) 2015-09-09 2019-04-16 清华大学 能谱ct图像重建方法及能谱ct成像系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61185256A (ja) * 1985-02-13 1986-08-18 株式会社日立メデイコ Ｘ線ｃｔ画像処理装置
KR880000085B1 (ko) * 1985-05-22 1988-02-23 가부시기가이샤 히다찌메디코 X선 단층 촬영장치(x線斷層撮影裝置)
US5276614A (en) 1989-11-17 1994-01-04 Picker International, Inc. Dynamic bandwidth reconstruction
DE10061120A1 (de) * 2000-12-07 2002-06-13 Philips Corp Intellectual Pty Computertomographie-Verfahren mit helixförmiger Relativbewegung
US6574299B1 (en) * 2001-08-16 2003-06-03 University Of Central Florida Exact filtered back projection (FBP) algorithm for spiral computer tomography
US7010079B2 (en) * 2001-08-16 2006-03-07 Research Foundation Of The University Of Central Florida 3PI algorithm for spiral CT
US6771733B2 (en) * 2001-08-16 2004-08-03 University Of Central Florida Method of reconstructing images for spiral and non-spiral computer tomography
US6529575B1 (en) * 2002-04-29 2003-03-04 Ge Medical Systems Global Technology Company, Llc Adaptive projection filtering scheme for noise reduction
US6751283B2 (en) * 2002-08-06 2004-06-15 Koninklijke Philips Electronics, N.V. Reconstruction method for tilted-gantry computed tomography
WO2004075106A2 (en) * 2003-02-19 2004-09-02 Philips Intellectual Property & Standards Gmbh Computerized tomography method with helical relative movement and conical beam

Also Published As

Publication number Publication date
WO2005121836A1 (en) 2005-12-22
ATE490477T1 (de) 2010-12-15
EP1759225A1 (de) 2007-03-07
JP2008501465A (ja) 2008-01-24
EP1759225B1 (de) 2010-12-01
JP5180584B2 (ja) 2013-04-10
US20080013676A1 (en) 2008-01-17
US7430270B2 (en) 2008-09-30

Similar Documents

Publication Publication Date Title
DE602005025118D1 (de) Computerisiertes tomographieverfahren mit helixför
Clark et al. In vivo characterization of tumor vasculature using iodine and gold nanoparticles and dual energy micro-CT
ATE385595T1 (de) Korrektur der strahlungsaufhärtung und der dämpfung in der coherent scatter computed tomography (csct)
JP2019531120A5 (de)
EP2133840A3 (de) Verfahren, Vorrichtung und computerlesbarer Datenträger zur rekonstruktionsvorbereitenden Zerlegung und Kalibrierung in der Dualenergie-Computertomographie
WO2007074193A3 (es) Método de análisis de expresión diferencial en cáncer colorectal
JP2006105975A5 (de)
ATE422693T1 (de) Computertomographie mit spiralförmiger relativbewegung und konischem strahlenbündel
JP2010210267A5 (de)
WO2005023114A8 (en) Computer tomography method using a cone-shaped bundle of rays
EP2923332A1 (de) Entrauschen von projektionsdaten
WO2006136973A3 (en) Bands artifact reduction for cardiac ct imaging
ATE410752T1 (de) Verfahren und einrichtung zur iterativen rekonstruktion von herzbildern
ITBO20130422A1 (it) Metodo e apparato per generare una radiografia panoramica
DE602006003550D1 (de) Rekonstruktionsverfahren für spiral-kegelstrahl-computertomographie
DE60322673D1 (de) Sequentielle computertomographie methode
WO2010051196A8 (en) Novel substituted azabenzoxazoles
Chao et al. Robust breathing signal extraction from cone beam CT projections based on adaptive and global optimization techniques
RU2018104555A (ru) Новое соединение, специфически связывающееся с рецептором ampa
EP3849420B1 (de) Berechnungsvorrichtung zum bestimmen von ventilationsfehlern
WO2004075106A3 (en) Computerized tomography method with helical relative movement and conical beam
EP3597107A8 (de) Topogrammbasierte fettquantifizierung für eine computertomografieuntersuchung
EP3923813A4 (de) Verfahren und vorrichtung für computertomografie mit anatomisch spezifizierter bestätigung
ATE444018T1 (de) Verfahren zur herstellung eines dreidimensionalen digitalen röntgenbildes
EP3494889B1 (de) Verfahren zur kalibrierung einer röntgenmesseinrichtung