ATE465471T1 - System und verfahren für spiralförmige 3d- computertomographie mit exakter rekonstruktion - Google Patents

System und verfahren für spiralförmige 3d- computertomographie mit exakter rekonstruktion

Info

Publication number
ATE465471T1
ATE465471T1 AT04709286T AT04709286T ATE465471T1 AT E465471 T1 ATE465471 T1 AT E465471T1 AT 04709286 T AT04709286 T AT 04709286T AT 04709286 T AT04709286 T AT 04709286T AT E465471 T1 ATE465471 T1 AT E465471T1
Authority
AT
Austria
Prior art keywords
projection data
ray
conebeam
detector array
derivative
Prior art date
Application number
AT04709286T
Other languages
English (en)
Inventor
Dominic Heuscher
Frederic Noo
Kevin Brown
Jed Pack
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 ATE465471T1 publication Critical patent/ATE465471T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/20—Inverse problem, i.e. transformations from projection space into object space
    • 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
    • G06T2211/416—Exact reconstruction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
AT04709286T 2003-02-14 2004-02-09 System und verfahren für spiralförmige 3d- computertomographie mit exakter rekonstruktion ATE465471T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US44742603P 2003-02-14 2003-02-14
US48238003P 2003-06-25 2003-06-25
PCT/IB2004/000386 WO2004072905A1 (en) 2003-02-14 2004-02-09 System and method for helical cone-beam computed tomography with exact reconstruction

Publications (1)

Publication Number Publication Date
ATE465471T1 true ATE465471T1 (de) 2010-05-15

Family

ID=32872028

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04709286T ATE465471T1 (de) 2003-02-14 2004-02-09 System und verfahren für spiralförmige 3d- computertomographie mit exakter rekonstruktion

Country Status (6)

Country Link
US (1) US20060140335A1 (de)
EP (1) EP1599836B1 (de)
JP (1) JP4553894B2 (de)
AT (1) ATE465471T1 (de)
DE (1) DE602004026691D1 (de)
WO (1) WO2004072905A1 (de)

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US7444011B2 (en) * 2004-02-10 2008-10-28 University Of Chicago Imaging system performing substantially exact reconstruction and using non-traditional trajectories
WO2005078632A2 (en) * 2004-02-10 2005-08-25 University Of Chicago Imaging method and system
US7359478B2 (en) * 2004-11-18 2008-04-15 Toshiba Medical Systems Corporation Method for restoring truncated helical cone-beam computed tomography data
WO2006116316A2 (en) * 2005-04-22 2006-11-02 University Of Chicago Open source trajectory method and apparatus for interior imaging
US7477720B2 (en) * 2005-06-28 2009-01-13 University Of Utah Research Foundation Cone-beam reconstruction using backprojection of locally filtered projections and X-ray CT apparatus
WO2007004196A2 (en) * 2005-07-05 2007-01-11 Philips Intellectual Property & Standards Gmbh Exact fbp type algorithm for arbitrary trajectories
US7782997B2 (en) 2005-07-05 2010-08-24 Koninklijke Philips Electronics N.V. Reconstruction algorithm for object point outside the scan-field-of-view
US7590216B2 (en) * 2005-12-28 2009-09-15 University Of Central Florida Research Foundation, Inc. Cone beam local tomography
JP5426075B2 (ja) * 2007-01-31 2014-02-26 株式会社東芝 Ｘ線ｃｔ装置
US8660313B2 (en) * 2007-12-19 2014-02-25 Koninklijke Philips N.V. Correction for un-voluntary respiratory motion in cardiac CT
DE102008051157B4 (de) * 2008-04-28 2016-11-10 Siemens Healthcare Gmbh Verfahren zum Erhalten einer 3D-Rekonstruktion eines Objekts
DE102010031740B4 (de) * 2010-07-21 2019-05-02 Siemens Healthcare Gmbh Vorrichtung und Verfahren für ein Mammographiegerät
WO2012012549A2 (en) * 2010-07-21 2012-01-26 The Regents Of The University Of California Method to reduce radiation dose in multidetector ct while maintaining image quality
CN103961119A (zh) * 2013-01-31 2014-08-06 Ge医疗系统环球技术有限公司 Ct成像系统和确定ct准直仪缝隙轮廓的方法
CN103961122B (zh) * 2013-01-31 2018-07-31 通用电气公司 用于非等γ角CT系统中数据转换的方法和装置
CN103690187A (zh) * 2013-08-13 2014-04-02 清华大学 基于x射线测量口腔骨密度的设备及方法
TWI517093B (zh) 2013-10-11 2016-01-11 國立陽明大學 Computer tomography reconstruction method
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
JP7123927B2 (ja) 2016-12-06 2022-08-23 コーニンクレッカ フィリップス エヌ ヴェ 交互打ち消しを使用する画像ノイズ推定
US10282871B2 (en) 2017-07-10 2019-05-07 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for pet image reconstruction
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
US11026642B2 (en) * 2019-03-29 2021-06-08 Canon Medical Systems Corporation Apparatuses and a method for artifact reduction in medical images using a neural network
CN119167458B (zh) * 2024-09-04 2025-02-25 内蒙古电力勘测设计院有限责任公司 一种机电管线信息处理方法、装置和设备

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US5485493A (en) * 1988-10-20 1996-01-16 Picker International, Inc. Multiple detector ring spiral scanner with relatively adjustable helical paths
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US6574299B1 (en) * 2001-08-16 2003-06-03 University Of Central Florida Exact filtered back projection (FBP) algorithm for spiral computer tomography

Also Published As

Publication number Publication date
JP2006517440A (ja) 2006-07-27
JP4553894B2 (ja) 2010-09-29
DE602004026691D1 (de) 2010-06-02
EP1599836A1 (de) 2005-11-30
WO2004072905A1 (en) 2004-08-26
US20060140335A1 (en) 2006-06-29
EP1599836B1 (de) 2010-04-21

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