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)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE347225T1 (de) * 2000-09-02 2006-12-15 Emageon Inc Verfahren und kommunikationsmodul zur übertragung von dicom objekten durch datenelementquellen
US7170521B2 (en) * 2001-04-03 2007-01-30 Ultravisual Medical Systems Corporation Method of and system for storing, communicating, and displaying image data
DE10244181A1 (de) * 2002-09-23 2004-04-01 Siemens Ag Verfahren zur Bilderstellung in der Computertomographie und CT-Gerät zur Durchführung des Verfahrens
GB2395882B (en) * 2002-11-28 2006-06-14 Elekta Ab Radiotherapy apparatus and operating method
JP4201686B2 (ja) * 2003-11-04 2008-12-24 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
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
US8774355B2 (en) * 2004-06-30 2014-07-08 General Electric Company Method and apparatus for direct reconstruction in tomosynthesis imaging
US7215734B2 (en) * 2004-06-30 2007-05-08 General Electric Company Method and system for three-dimensional reconstruction of images
EP1765174A1 (de) 2004-07-07 2007-03-28 Koninklijke Philips Electronics N.V. Streifenartefakt-verringerung in der kardialen kegelstrahl-ct-rekonstruktion
GB0420224D0 (en) * 2004-09-11 2004-10-13 Koninkl Philips Electronics Nv Coherent scatter imaging
GB0420222D0 (en) * 2004-09-11 2004-10-13 Koninkl Philips Electronics Nv Coherent scatter imaging
DE602006003077D1 (de) * 2005-03-17 2008-11-20 Philips Intellectual Property 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
RU2441587C2 (ru) * 2006-05-26 2012-02-10 Конинклейке Филипс Электроникс, Н.В. Визуализация с помощью динамической компьютерной томографии
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
JP5572386B2 (ja) * 2006-10-18 2014-08-13 コーニンクレッカ フィリップス エヌ ヴェ 関心領域を撮像する撮像システム、撮像方法及びコンピュータプログラム
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
EP2496142B1 (de) * 2009-11-03 2016-12-14 Koninklijke Philips N.V. Computertomographievorrichtung
EP2335593A1 (de) * 2009-12-15 2011-06-22 Koninklijke Philips Electronics N.V. Computertomograph
RU2589723C2 (ru) * 2010-09-30 2016-07-10 Конинклейке Филипс Электроникс Н.В. Динамический фильтр для компьютерной томографии (ст)
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
WO2019096600A1 (en) 2017-11-14 2019-05-23 Koninklijke Philips N.V. Single ct backprojector with one geometry calculation per voxel for multiple different types of projection data
EP3948787B8 (de) 2019-03-25 2026-07-01 Koninklijke Philips N.V. Kegelstrahl-artefaktkorrektur für gesteuerte bildgebung
EP3893205A1 (de) 2020-04-08 2021-10-13 Koninklijke Philips N.V. Unterdrückung von bewegungsartefakten bei der computertomographie-bildgebung
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
EP4295773A1 (de) 2022-06-23 2023-12-27 Koninklijke Philips N.V. Ct-bildgebungsverfahren
CN116509430B (zh) * 2023-03-24 2026-07-17 哈尔滨工业大学 一种多段斜线组合的螺旋扫描扩大视场ct扫描方法
CN116580115B (zh) * 2023-03-29 2023-12-05 赛诺威盛医疗科技(扬州)有限公司 螺旋ct图像迭代重建方法、装置及存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583241A (en) * 1977-09-30 1986-04-15 Technicare Corporation X-ray tomographic apparatus
US5262946A (en) * 1988-10-20 1993-11-16 Picker International, Inc. Dynamic volume scanning for CT scanners
US5485493A (en) * 1988-10-20 1996-01-16 Picker International, Inc. Multiple detector ring spiral scanner with relatively adjustable helical paths
US5008822A (en) * 1988-11-25 1991-04-16 Picker International, Inc. Combined high speed backprojection and forward projection processor for CT systems
US5430738A (en) * 1991-01-31 1995-07-04 Pioneer Electronic Corporation Information transmission system for transmitting a digital information signal divided into packets with an information signal error diagnosis and correction function
US5430783A (en) 1992-08-07 1995-07-04 General Electric Company Reconstruction method for helical scanning computed tomography apparatus with multi-row detector array employing overlapping beams
WO1995026782A1 (en) * 1994-03-30 1995-10-12 Alza Corporation Reduction of skin irritation during electrotransport delivery
US5999587A (en) * 1997-07-03 1999-12-07 University Of Rochester Method of and system for cone-beam tomography reconstruction
DE19835296A1 (de) * 1998-08-05 2000-02-10 Philips Corp Intellectual Pty Computertomograph mit kegelförmigen Strahlenbündel und helixförmiger Abtastbahn
US6324242B1 (en) 1999-04-09 2001-11-27 Arch Development Corporation Fast reconstruction with uniform noise properties in half-scan tomography
US6408042B1 (en) * 2001-06-15 2002-06-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for cone beam artifact suppression in scanning imaging systems

Also Published As

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

Similar Documents

Publication Publication Date Title
DE60318242D1 (de) Kegelstrahl computertomographische bildgebung
Pintore et al. Pulsator-like spectra from ultraluminous X-Ray sources and the search for more ultraluminous pulsars
US10034646B2 (en) Material decomposition of multi-spectral X-ray projections using neural networks
US9949709B2 (en) Techniques for suppression of motion artifacts in medical imaging
Maier et al. Fast simulation of x-ray projections of spline-based surfaces using an append buffer
DE602007009700D1 (de) Bewegungsausgleich in einer energieempfindlichen computertomografie
WO2020227003A1 (en) Semantic fusion
DE602004028588D1 (de) Bewegungskorrigiertes dreidimensionales volumenabbildungsverfahren
WO2007140094A3 (en) Dynamic computed tomography imaging
ATE500778T1 (de) Kombiniertes röntgen- und optisches tomographie- bildgebungssystem
ATE354838T1 (de) System und verfahren für exakte bildrekonstruktion für spiral-kegelstrahl- computertomographie mit redundanten daten
Abadi et al. Development and clinical applications of a virtual imaging framework for optimizing photon-counting CT
Mallee et al. 6-week radiographs unsuitable for diagnosis of suspected scaphoid fractures
DE602006012820D1 (de) Dreidimensionales time-of-flight-pet mit grobwinkeligem und scheiben-rebinning
Hegazy et al. Metal artifact reduction in dental CBCT images using direct sinogram correction combined with metal path-length weighting
JP2018501917A5 (de)
Peng et al. High-speed dynamic projection mapping onto human arm with realistic skin deformation
Zhang et al. Reduction of metal artifacts in x-ray CT images using a convolutional neural network
Siveter et al. A new crustacean from the Herefordshire (Silurian) Lagerstätte, UK, and its significance in malacostracan evolution
RU2013132526A (ru) Система и способ генерации и отображения двумерной проекции на основании трехмерного или четырехмерного набора данных
WO2008107837A1 (en) Projection system for producing attenuation components
DE602007007793D1 (de) Konsistenzbasierte rekonstruktion von kegelstrahl-spiral-ct daten
US20210282733A1 (en) Edge noise reduction
Tang et al. Data consistency condition–based beam-hardening correction
CN114127780A (zh) 用于冠状动脉钙沉积检测和标记的系统和方法

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties