DE10082243T1 - Lokale CT-Bildrekonstruktion mit begrenzter Röntgenbestrahlung - Google Patents

Lokale CT-Bildrekonstruktion mit begrenzter Röntgenbestrahlung

Info

Publication number
DE10082243T1
DE10082243T1 DE10082243T DE10082243T DE10082243T1 DE 10082243 T1 DE10082243 T1 DE 10082243T1 DE 10082243 T DE10082243 T DE 10082243T DE 10082243 T DE10082243 T DE 10082243T DE 10082243 T1 DE10082243 T1 DE 10082243T1
Authority
DE
Germany
Prior art keywords
rays
local
limited
image reconstruction
reconstruction
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.)
Ceased
Application number
DE10082243T
Other languages
English (en)
Inventor
Guy Marie Besson
Tin-Su Pan
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE10082243T1 publication Critical patent/DE10082243T1/de
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/432—Truncation
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE10082243T 1999-06-22 2000-06-13 Lokale CT-Bildrekonstruktion mit begrenzter Röntgenbestrahlung Ceased DE10082243T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/337,688 US6246742B1 (en) 1999-06-22 1999-06-22 Local CT image reconstruction with limited x-ray exposure
PCT/US2000/016238 WO2000079483A1 (en) 1999-06-22 2000-06-13 Local ct image reconstruction with limited x-ray exposure

Publications (1)

Publication Number Publication Date
DE10082243T1 true DE10082243T1 (de) 2001-09-13

Family

ID=23321585

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10082243T Ceased DE10082243T1 (de) 1999-06-22 2000-06-13 Lokale CT-Bildrekonstruktion mit begrenzter Röntgenbestrahlung

Country Status (4)

Country Link
US (1) US6246742B1 (de)
JP (1) JP4516256B2 (de)
DE (1) DE10082243T1 (de)
WO (1) WO2000079483A1 (de)

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US6324241B1 (en) * 1999-12-30 2001-11-27 Ge Medical Systems Global Technology Company, Llc Method and apparatus for CT reconstruction
US6385278B1 (en) * 2000-04-28 2002-05-07 Ge Medical Systems Global Technology Company, Llc Method and apparatus for region of interest multislice CT scan
US20040022436A1 (en) * 2001-03-16 2004-02-05 Paul Patti System and method for data analysis of x-ray images
TW569159B (en) * 2001-11-30 2004-01-01 Inst Information Industry Video wavelet transform processing method
JP2003175027A (ja) * 2001-12-10 2003-06-24 Hitachi Medical Corp Ｘ線ｃｔ装置
US6775347B2 (en) * 2002-05-29 2004-08-10 Ge Medical Systems Global Technology Company Methods and apparatus for reconstructing an image of an object
US6850585B2 (en) * 2003-03-05 2005-02-01 Ge Medical Systems Global Technology Company, Llc Progressive updating approach for volumetric CT image reconstruction
US6950492B2 (en) 2003-06-25 2005-09-27 Besson Guy M Dynamic multi-spectral X-ray projection imaging
US7359478B2 (en) * 2004-11-18 2008-04-15 Toshiba Medical Systems Corporation Method for restoring truncated helical cone-beam computed tomography data
US7519157B2 (en) * 2005-07-23 2009-04-14 General Electric Company Systems, methods and apparatus for attachment of an X-ray tube to an X-ray tube collimator frame
JP2007135658A (ja) * 2005-11-15 2007-06-07 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置およびｘ線ｃｔ透視装置
US7515678B2 (en) * 2005-11-23 2009-04-07 General Electric Company Method and system for performing CT image reconstruction with motion artifact correction
JP4752468B2 (ja) * 2005-11-29 2011-08-17 株式会社島津製作所 断面像再構成装置およびそれを用いたｘ線撮影装置
CN1989908B (zh) * 2005-12-28 2010-05-19 株式会社东芝 X射线ct装置及其控制方法
DE102006021373A1 (de) * 2006-05-08 2007-11-15 Siemens Ag Röntgendiagnostikeinrichtung
DE102006044783A1 (de) * 2006-09-22 2008-04-03 Siemens Ag Verfahren zur Aufnahme von Bildern eines bestimmbaren Bereichs eines Untersuchungsobjekts mittels einer Computertomographieeinrichtung
US8045677B2 (en) * 2006-09-25 2011-10-25 Koninklijke Philips Electronics N V Eindhoven Shifting an object for complete trajectories in rotational X-ray imaging
CN101529275A (zh) * 2006-10-27 2009-09-09 皇家飞利浦电子股份有限公司 用于对对象进行成像的成像系统
US7729467B2 (en) 2007-03-22 2010-06-01 General Electric Company Methods and systems for attentuation correction in medical imaging
US7840053B2 (en) * 2007-04-05 2010-11-23 Liao Hstau Y System and methods for tomography image reconstruction
US7929742B2 (en) * 2007-09-28 2011-04-19 Siemens Medical Solutions Usa, Inc. Method and system for computed tomographic imaging
DE102008005118B3 (de) * 2008-01-18 2009-09-17 Siemens Aktiengesellschaft Registrierungsverfahren
US8009794B2 (en) 2008-01-30 2011-08-30 Varian Medical Systems, Inc. Methods, apparatus, and computer-program products for increasing accuracy in cone-beam computed tomography
FI123452B (fi) * 2008-10-03 2013-05-15 Palodex Group Oy Menetelmä ja sen toteuttava laite röntgenkuvauksen suorittamiseksi
CN101756709A (zh) * 2008-12-26 2010-06-30 Ge医疗系统环球技术有限公司 X射线ct设备
US8547374B1 (en) * 2009-07-24 2013-10-01 Lockheed Martin Corporation Detection and reconstruction of 3D objects with passive imaging sensors
DE102009047867B4 (de) * 2009-09-30 2016-10-06 Siemens Healthcare Gmbh Verfahren und Vorrichtung zur Korrektur von trunkierten Projektionsdaten
US9196061B2 (en) * 2012-11-02 2015-11-24 General Electric Company Systems and methods for performing truncation artifact correction
CN103876768B (zh) * 2013-12-23 2016-06-01 沈阳东软医疗系统有限公司 一种降低剂量的扫描方法及装置
KR101954644B1 (ko) * 2016-11-23 2019-03-06 연세대학교 원주산학협력단 셔터 스캔을 이용하는 단층영상합성 장치 및 그것의 제어 방법
CN110520052B (zh) * 2017-03-27 2023-07-28 国立大学法人筑波大学 局部ct图像生成方法
CA3080986C (en) 2017-11-06 2023-11-14 The Research Foundation for State University of New York System and method for dual-use computed tomography for imaging and radiation therapy

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Publication number Priority date Publication date Assignee Title
US4333145A (en) * 1979-11-29 1982-06-01 Technicare Corporation Method of high resolution partial area scan involving concentrated high density material outside the partial area
CA1274922A (en) 1987-09-11 1990-10-02 Terence Taylor Region of interest tomography employing a differential scanning technique
US5881123A (en) 1998-03-31 1999-03-09 Siemens Corporate Research, Inc. Simplified cone beam image reconstruction using 3D backprojection
US6009142A (en) * 1998-03-31 1999-12-28 Siemens Corporate Research, Inc. Practical cone beam image reconstruction using local regions-of-interest
US5926521A (en) * 1998-03-31 1999-07-20 Siemens Corporate Research, Inc. Exact region of interest cone beam imaging using 3D backprojection

Also Published As

Publication number Publication date
US6246742B1 (en) 2001-06-12
WO2000079483A1 (en) 2000-12-28
JP2003502130A (ja) 2003-01-21
JP4516256B2 (ja) 2010-08-04

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection