NL1024447C2 - Werkwijzen en inrichtingen voor afknottingscompensatie. - Google Patents

Werkwijzen en inrichtingen voor afknottingscompensatie. Download PDF

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Publication number
NL1024447C2
NL1024447C2 NL1024447A NL1024447A NL1024447C2 NL 1024447 C2 NL1024447 C2 NL 1024447C2 NL 1024447 A NL1024447 A NL 1024447A NL 1024447 A NL1024447 A NL 1024447A NL 1024447 C2 NL1024447 C2 NL 1024447C2
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Netherlands
Prior art keywords
data
computer
view
detector
further adapted
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NL1024447A
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English (en)
Dutch (nl)
Other versions
NL1024447A1 (nl
Inventor
Jiang Hsieh
Robert H Armstrong
Peter Joseph Arduini
Robert F Senzig
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Ge Med Sys Global Tech Co Llc
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Publication of NL1024447A1 publication Critical patent/NL1024447A1/nl
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Publication of NL1024447C2 publication Critical patent/NL1024447C2/nl

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • A61B6/03—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
    • A61B6/027—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
NL1024447A 2002-10-04 2003-10-03 Werkwijzen en inrichtingen voor afknottingscompensatie. NL1024447C2 (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US41607202P 2002-10-04 2002-10-04
US41607202 2002-10-04
US60256503 2003-06-24
US10/602,565 US6810102B2 (en) 2002-10-04 2003-06-24 Methods and apparatus for truncation compensation

Publications (2)

Publication Number Publication Date
NL1024447A1 NL1024447A1 (nl) 2004-04-06
NL1024447C2 true NL1024447C2 (nl) 2005-09-27

Family

ID=32045373

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1024447A NL1024447C2 (nl) 2002-10-04 2003-10-03 Werkwijzen en inrichtingen voor afknottingscompensatie.

Country Status (6)

Country Link
US (1) US6810102B2 (enExample)
JP (1) JP2004121853A (enExample)
CN (1) CN100374080C (enExample)
DE (1) DE10345705A1 (enExample)
IL (1) IL158197A (enExample)
NL (1) NL1024447C2 (enExample)

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US20070076933A1 (en) * 2005-09-30 2007-04-05 Jared Starman Estimating the 0th and 1st moments in C-arm CT data for extrapolating truncated projections
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EP1825811B1 (en) * 2006-02-27 2015-08-26 Kabushiki Kaisha Toshiba Image display apparatus and x-ray computed tomography apparatus
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DE102006014630B4 (de) * 2006-03-29 2014-04-24 Siemens Aktiengesellschaft Verfahren zur Korrektur von Trunkierungsartefakten
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US7680240B2 (en) * 2007-03-30 2010-03-16 General Electric Company Iterative reconstruction of tomographic image data method and system
US7920670B2 (en) * 2007-03-30 2011-04-05 General Electric Company Keyhole computed tomography
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US7675038B2 (en) * 2007-08-27 2010-03-09 Siemens Medical Solutions Usa, Inc. Truncation compensation in transmission reconstructions for a small FOV cardiac gamma camera
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US8213694B2 (en) * 2008-02-29 2012-07-03 Barco N.V. Computed tomography reconstruction from truncated scans
JP5210726B2 (ja) * 2008-06-24 2013-06-12 株式会社東芝 Ｘ線ｃｔ装置
JP5171474B2 (ja) * 2008-08-19 2013-03-27 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 断層画像処理装置およびｘ線ｃｔ装置並びにプログラム
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US10231678B2 (en) * 2010-11-18 2019-03-19 Koninklijke Philips N.V. PET-CT system with single detector
RU2606561C2 (ru) * 2011-01-27 2017-01-10 Конинклейке Филипс Электроникс Н.В. Компенсация усечения для итерационной реконструкции в компьютерной томографии (кт) с коническим пучком в комбинированных системах офэкт/кт
JP2013055971A (ja) 2011-09-07 2013-03-28 Fujifilm Corp 断層画像生成装置及び断層画像生成方法
US9196061B2 (en) 2012-11-02 2015-11-24 General Electric Company Systems and methods for performing truncation artifact correction
CN103961123B (zh) * 2013-01-31 2018-11-06 Ge医疗系统环球技术有限公司 计算机断层摄影（ct）方法和ct系统
EP3028257B1 (en) * 2013-07-31 2017-04-12 Koninklijke Philips N.V. Iterative ct image reconstruction of a roi with objects outside the scan fov
CN104323789B (zh) 2014-09-25 2017-08-25 沈阳东软医疗系统有限公司 一种ct扫描图像重建方法及ct扫描仪
JP6803077B2 (ja) * 2015-12-17 2020-12-23 国立大学法人 東京大学 画像処理装置および画像処理方法
CN106920265B (zh) * 2015-12-28 2024-04-26 上海联影医疗科技股份有限公司 计算机断层扫描图像重建方法及装置
EP3667620A1 (en) * 2018-12-12 2020-06-17 Koninklijke Philips N.V. System for reconstructing an image of an object
CN111000581B (zh) * 2019-12-28 2021-10-15 上海联影医疗科技股份有限公司 医学成像方法及系统
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DE102023207831B3 (de) 2023-08-15 2024-11-28 Siemens Healthineers Ag Bildrekonstruktion mit Extrapolation
CN119205482B (zh) * 2024-11-25 2025-02-25 水利部交通运输部国家能源局南京水利科学研究院 一种基于Cesium的多视点可视域测算方法及系统

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Also Published As

Publication number Publication date
CN1504960A (zh) 2004-06-16
NL1024447A1 (nl) 2004-04-06
US20040066911A1 (en) 2004-04-08
DE10345705A1 (de) 2004-09-02
IL158197A (en) 2010-06-30
IL158197A0 (en) 2004-05-12
CN100374080C (zh) 2008-03-12
US6810102B2 (en) 2004-10-26
JP2004121853A (ja) 2004-04-22

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AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20050523

PD2B A search report has been drawn up
VD1 Lapsed due to non-payment of the annual fee

Effective date: 20080501