DE602004026691D1 - 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
DE602004026691D1
DE602004026691D1 DE602004026691T DE602004026691T DE602004026691D1 DE 602004026691 D1 DE602004026691 D1 DE 602004026691D1 DE 602004026691 T DE602004026691 T DE 602004026691T DE 602004026691 T DE602004026691 T DE 602004026691T DE 602004026691 D1 DE602004026691 D1 DE 602004026691D1
Authority
DE
Germany
Prior art keywords
projection data
ray
conebeam
detector array
derivative
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.)
Expired - Lifetime
Application number
DE602004026691T
Other languages
English (en)
Inventor
Dominic J Heuscher
Frederic N Noo
Kevin M Brown
Jed D Pack
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602004026691D1 publication Critical patent/DE602004026691D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Devices 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; CALCULATING OR 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; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]
DE602004026691T 2003-02-14 2004-02-09 System und verfahren für spiralförmige 3d-computertomographie mit exakter rekonstruktion Expired - Lifetime DE602004026691D1 (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
DE602004026691D1 true DE602004026691D1 (de) 2010-06-02

Family

ID=32872028

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004026691T Expired - Lifetime DE602004026691D1 (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)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004075106A2 (en) * 2003-02-19 2004-09-02 Philips Intellectual Property & Standards Gmbh Computerized tomography method with helical relative movement and conical beam
US7444011B2 (en) * 2004-02-10 2008-10-28 University Of Chicago Imaging system performing substantially exact reconstruction and using non-traditional trajectories
US7394923B2 (en) * 2004-02-10 2008-07-01 The University Of Chicago Imaging system for generating a substantially exact reconstruction of a region of interest
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
CN101218607B (zh) 2005-07-05 2010-09-01 皇家飞利浦电子股份有限公司 用于在扫描视场外的对象点的重建算法
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
WO2009081316A1 (en) * 2007-12-19 2009-07-02 Koninklijke Philips Electronics 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
US10058302B2 (en) * 2010-07-21 2018-08-28 The Regents Of The University Of California Method to reduce radiation dose in multidetector CT while maintaining image quality
DE102010031740B4 (de) * 2010-07-21 2019-05-02 Siemens Healthcare Gmbh Vorrichtung und Verfahren für ein Mammographiegerät
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
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
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 Univ Nat Yang Ming 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
US10984564B2 (en) 2016-12-06 2021-04-20 Koninklijke Philips N.V. Image noise estimation using alternating negation
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
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

Family Cites Families (20)

* 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
US5485493A (en) * 1988-10-20 1996-01-16 Picker International, Inc. Multiple detector ring spiral scanner with relatively adjustable helical paths
US5262946A (en) * 1988-10-20 1993-11-16 Picker International, Inc. Dynamic volume scanning for CT scanners
US5008822A (en) * 1988-11-25 1991-04-16 Picker International, Inc. Combined high speed backprojection and forward projection processor for CT systems
JPH053867A (ja) * 1991-06-28 1993-01-14 Toshiba Corp 三次元画像診断装置
US5377250A (en) * 1992-08-07 1994-12-27 General Electric Company Reconstruction method for helical scanning computed tomography apparatus with multi-row detector array
FR2736455B1 (fr) * 1995-07-03 1997-08-08 Commissariat Energie Atomique Procede de reconstruction d'une image 3d avec amelioration du contraste et de la resolution et application de ce procede a la realisation d'une cartographie d'attenuation d'un objet
US5805659A (en) * 1996-09-30 1998-09-08 Siemens Corporate Research, Inc. Method and apparatus for spiral scan region of interest imaging
WO1998030980A1 (en) * 1997-01-14 1998-07-16 Edholm, Paul Technique and arrangement for tomographic imaging
DE19723095C2 (de) * 1997-06-02 2001-08-23 Siemens Ag Bildrekonstruktionsverfahren für einen Computertomographen
US6275561B1 (en) * 1998-01-13 2001-08-14 U.S. Philips Corporation Computer tomagraphy method with helicoidal scanning of an examination area
US5881123A (en) * 1998-03-31 1999-03-09 Siemens Corporate Research, Inc. Simplified cone beam image reconstruction using 3D backprojection
DE19835296A1 (de) * 1998-08-05 2000-02-10 Philips Corp Intellectual Pty Computertomograph mit kegelförmigen Strahlenbündel und helixförmiger Abtastbahn
US6104775A (en) * 1998-10-29 2000-08-15 Picker International, Inc. 3D image reconstruction for helical partial cone beam scanners using wedge beam transform
US6333960B1 (en) * 1999-03-22 2001-12-25 Siemens Corporate Research, Inc. Exact region of interest cone beam imaging without circle scans
US6130930A (en) * 1999-03-22 2000-10-10 Siemens Corporate Research, Inc. Exact region of interest cone beam imaging without circle scans
US6201849B1 (en) * 1999-08-16 2001-03-13 Analogic Corporation Apparatus and method for reconstruction of volumetric images in a helical scanning cone-beam computed tomography system
US6292525B1 (en) * 1999-09-30 2001-09-18 Siemens Corporate Research, Inc. Use of Hilbert transforms to simplify image reconstruction in a spiral scan cone beam CT imaging system
US6324245B1 (en) * 2000-10-17 2001-11-27 Siemens Corporation Research, Inc. Method and apparatus for identifying and correcting image inaccuracies caused by simplified processing of masked cone beam projection data
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
EP1599836A1 (de) 2005-11-30
EP1599836B1 (de) 2010-04-21
JP2006517440A (ja) 2006-07-27
JP4553894B2 (ja) 2010-09-29
ATE465471T1 (de) 2010-05-15
WO2004072905A1 (en) 2004-08-26
US20060140335A1 (en) 2006-06-29

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