ATE381285T1 - Kegelstrahl computertomographische bildgebung - Google Patents

Kegelstrahl computertomographische bildgebung

Info

Publication number
ATE381285T1
ATE381285T1 AT03808825T AT03808825T ATE381285T1 AT E381285 T1 ATE381285 T1 AT E381285T1 AT 03808825 T AT03808825 T AT 03808825T AT 03808825 T AT03808825 T AT 03808825T AT E381285 T1 ATE381285 T1 AT E381285T1
Authority
AT
Austria
Prior art keywords
projection data
theta
angular orientation
weighting
cone beam
Prior art date
Application number
AT03808825T
Other languages
English (en)
Inventor
Dominic Heuscher
Kevin Brown
Patrick Kling
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 ATE381285T1 publication Critical patent/ATE381285T1/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
    • A61B6/4064—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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/541—Control of apparatus or devices for radiation diagnosis involving acquisition triggered by a physiological signal
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/412—Dynamic
    • 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)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Image Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AT03808825T 2002-10-21 2003-10-08 Kegelstrahl computertomographische bildgebung ATE381285T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/274,816 US6775346B2 (en) 2002-10-21 2002-10-21 Conebeam computed tomography imaging

Publications (1)

Publication Number Publication Date
ATE381285T1 true ATE381285T1 (de) 2008-01-15

Family

ID=32093148

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03808825T ATE381285T1 (de) 2002-10-21 2003-10-08 Kegelstrahl computertomographische bildgebung

Country Status (8)

Country Link
US (1) US6775346B2 (de)
EP (1) EP1562478B1 (de)
JP (1) JP2006503619A (de)
CN (1) CN1705455A (de)
AT (1) ATE381285T1 (de)
AU (1) AU2003264784A1 (de)
DE (1) DE60318242D1 (de)
WO (1) WO2004034907A1 (de)

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DE102004003367B4 (de) * 2004-01-22 2015-04-16 Siemens Aktiengesellschaft Verfahren zur Erzeugung von tomographischen Schnittbildern eines sich periodisch bewegenden Objektes mit einer Fokus-Detektor-Kombination
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GB0420222D0 (en) 2004-09-11 2004-10-13 Koninkl Philips Electronics Nv Coherent scatter imaging
GB0420224D0 (en) * 2004-09-11 2004-10-13 Koninkl Philips Electronics Nv Coherent scatter imaging
EP1861825B1 (de) * 2005-03-17 2008-10-08 Philips Intellectual Property & Standards GmbH Verfahren und einrichtung zur iterativen rekonstruktion von herzbildern
JP2007000406A (ja) * 2005-06-24 2007-01-11 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ撮影方法およびｘ線ｃｔ装置
JP5179007B2 (ja) * 2005-12-01 2013-04-10 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 Ｘ線ｃｔ装置およびそのｘ線ｃｔ画像再構成方法
WO2007140094A2 (en) * 2006-05-26 2007-12-06 Koninklijke Philips Electronics, N.V. Dynamic computed tomography imaging
JP2008006032A (ja) * 2006-06-29 2008-01-17 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置およびｘ線ｃｔ撮影方法
DE102006044189A1 (de) * 2006-09-20 2008-04-17 Siemens Ag Verfahren zum Bereitstellen von vielfältig verarbeiteten Bilddaten, Verfahren zum Verarbeiten vielfältiger Bilddaten und Röntgenbildsystem
DE602007011309D1 (de) * 2006-10-18 2011-01-27 Philips Intellectual Property Bildgebungssystem, bildgebungsverfahren und computerprogramm zur abbildung eines interessensbereiches
US7885377B2 (en) * 2006-10-23 2011-02-08 Kabushiki Kaisha Toshiba X-ray computer tomographic apparatus, medical imaging apparatus, and medical image display apparatus
US7769126B2 (en) * 2007-09-25 2010-08-03 Canon Kabushiki Kaisha Computed tomography system
JP5511189B2 (ja) * 2009-01-05 2014-06-04 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 画像再構成方法およびｘ線ｃｔ装置
CN102596040B (zh) * 2009-11-03 2015-02-11 皇家飞利浦电子股份有限公司 计算机断层摄影设备
EP2335593A1 (de) * 2009-12-15 2011-06-22 Koninklijke Philips Electronics N.V. Computertomograph
US9177682B2 (en) * 2010-09-30 2015-11-03 Koninklijke Philips N.V. Dynamic filter for computed tomography (CT)
US9076255B2 (en) * 2011-05-31 2015-07-07 General Electric Company Method and system for reconstruction of tomographic images
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
CN103479379B (zh) 2013-09-06 2015-08-26 沈阳东软医疗系统有限公司 一种倾斜螺旋扫描的图像重建方法及装置
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
JP6718448B2 (ja) * 2014-11-26 2020-07-08 アリネータ・リミテッド コンピュータ断層撮影のための画像再構成
CN105809088B (zh) * 2014-12-30 2019-07-19 清华大学 车辆识别方法和系统
JP6548441B2 (ja) * 2015-04-15 2019-07-24 キヤノン株式会社 画像処理装置、画像処理方法、およびプログラム
CN105943071A (zh) * 2016-05-25 2016-09-21 厦门大学 X射线ct成像系统
WO2019033390A1 (en) * 2017-08-18 2019-02-21 Shenzhen United Imaging Healthcare Co., Ltd. SYSTEM AND METHOD FOR IMAGE RECONSTRUCTION
US12406410B2 (en) * 2017-08-18 2025-09-02 Shanghai United Imaging Healthcare Co., Ltd. System and method for reconstructing an image
JP2021502842A (ja) * 2017-11-14 2021-02-04 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 複数の異なるタイプの投影データのボクセル毎に１回のジオメトリ演算を行う単一のｃｔ逆投影器
US12141899B2 (en) 2019-03-25 2024-11-12 Koninklijke Philips N.V. Cone beam artifact correction for gated imaging
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CN111476860B (zh) * 2020-04-22 2023-10-24 上海联影医疗科技股份有限公司 图像重建方法、装置、计算机设备和存储介质
CN114942210B (zh) * 2022-04-06 2024-07-19 同济大学 一种基于ct扫描和三维重构的多孔介质孔隙结构方向性的表征方法
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Also Published As

Publication number Publication date
JP2006503619A (ja) 2006-02-02
WO2004034907A1 (en) 2004-04-29
US6775346B2 (en) 2004-08-10
US20040076265A1 (en) 2004-04-22
AU2003264784A1 (en) 2004-05-04
DE60318242D1 (de) 2008-01-31
EP1562478B1 (de) 2007-12-19
EP1562478A1 (de) 2005-08-17
CN1705455A (zh) 2005-12-07

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