DE19929646A1 - Verfahren und Vorrichtung zur Bildrekonstruktion in einem mit Kegelstrahl arbeitenden Bildgabesystem - Google Patents

Verfahren und Vorrichtung zur Bildrekonstruktion in einem mit Kegelstrahl arbeitenden Bildgabesystem

Info

Publication number
DE19929646A1
DE19929646A1 DE19929646A DE19929646A DE19929646A1 DE 19929646 A1 DE19929646 A1 DE 19929646A1 DE 19929646 A DE19929646 A DE 19929646A DE 19929646 A DE19929646 A DE 19929646A DE 19929646 A1 DE19929646 A1 DE 19929646A1
Authority
DE
Germany
Prior art keywords
scan path
projection
source
region
interest
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.)
Withdrawn
Application number
DE19929646A
Other languages
German (de)
English (en)
Inventor
Kwok Tam
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.)
Siemens Corporate Research Inc
Original Assignee
Siemens Corporate Research Inc
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 Siemens Corporate Research Inc filed Critical Siemens Corporate Research Inc
Publication of DE19929646A1 publication Critical patent/DE19929646A1/de
Withdrawn legal-status Critical Current

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]
    • 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
    • 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
    • G06T2211/421—Filtered back projection [FBP]
    • 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

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pulmonology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Image Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Analysis (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
DE19929646A 1998-06-29 1999-06-28 Verfahren und Vorrichtung zur Bildrekonstruktion in einem mit Kegelstrahl arbeitenden Bildgabesystem Withdrawn DE19929646A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/106,537 US5881123A (en) 1998-03-31 1998-06-29 Simplified cone beam image reconstruction using 3D backprojection

Publications (1)

Publication Number Publication Date
DE19929646A1 true DE19929646A1 (de) 2000-02-03

Family

ID=22311958

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19929646A Withdrawn DE19929646A1 (de) 1998-06-29 1999-06-28 Verfahren und Vorrichtung zur Bildrekonstruktion in einem mit Kegelstrahl arbeitenden Bildgabesystem

Country Status (3)

Country Link
US (1) US5881123A (https=)
JP (1) JP2000081318A (https=)
DE (1) DE19929646A1 (https=)

Families Citing this family (40)

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US5926521A (en) * 1998-03-31 1999-07-20 Siemens Corporate Research, Inc. Exact region of interest cone beam imaging using 3D backprojection
US6246742B1 (en) * 1999-06-22 2001-06-12 General Electric Company Local CT image reconstruction with limited x-ray exposure
US6233303B1 (en) 1999-07-21 2001-05-15 Siemens Corporate Research, Inc. Method and apparatus for reducing X-ray dosage in a spiral scan cone beam CT imaging system
US6330298B1 (en) * 2000-10-17 2001-12-11 Siemens Corporate Research, Inc. Method and apparatus for simplifying the correction of image inaccuracies caused by processing of masked cone beam projection data
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
EP1356432A1 (de) * 2001-01-29 2003-10-29 Dkfz Verfahren und vorrichtung zur bildrekonstruktion eines raumvolumens
JP4582997B2 (ja) * 2001-03-12 2010-11-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 高速コンピュータ断層撮影方法
US6574299B1 (en) 2001-08-16 2003-06-03 University Of Central Florida Exact filtered back projection (FBP) algorithm for spiral computer tomography
US7280632B2 (en) * 2001-08-16 2007-10-09 University Of Central Florida Research Foundation, Inc. Exact filtered back projection (FBP) algorithm for spiral computer tomography with variable pitch
US6771733B2 (en) * 2001-08-16 2004-08-03 University Of Central Florida Method of reconstructing images for spiral and non-spiral computer tomography
US6574297B2 (en) 2001-10-30 2003-06-03 Siemens Corporate Research, Inc. System and method for image reconstruction in a cone beam imaging system
US7099428B2 (en) * 2002-06-25 2006-08-29 The Regents Of The University Of Michigan High spatial resolution X-ray computed tomography (CT) system
DE10244181A1 (de) * 2002-09-23 2004-04-01 Siemens Ag Verfahren zur Bilderstellung in der Computertomographie und CT-Gerät zur Durchführung des Verfahrens
DE10252662A1 (de) * 2002-11-11 2004-05-27 Philips Intellectual Property & Standards Gmbh Computertomographie-Verfahren mit kohärenten Streustrahlen und Computertomograph
ATE465471T1 (de) * 2003-02-14 2010-05-15 Koninkl Philips Electronics Nv System und verfahren für spiralförmige 3d- computertomographie mit exakter rekonstruktion
EP1605825A4 (en) * 2003-03-14 2008-01-23 Univ Central Florida Res Found EFFICIENT IMAGE RECONSTRUCTION ALGORITHM FOR SPIRAL-COMPUTED TOMOGRAPHY WITH VARIABLE SLOPING
US6990167B2 (en) * 2003-08-29 2006-01-24 Wisconsin Alumni Research Foundation Image reconstruction method for divergent beam scanner
JP2007505674A (ja) * 2003-09-18 2007-03-15 コニンクリユケ フィリップス エレクトロニクス エヌ．ブイ． イメージング処理方法及び装置
US8774355B2 (en) * 2004-06-30 2014-07-08 General Electric Company Method and apparatus for direct reconstruction in tomosynthesis imaging
US7583777B2 (en) * 2004-07-21 2009-09-01 General Electric Company Method and apparatus for 3D reconstruction of images
WO2006073584A2 (en) * 2004-11-24 2006-07-13 Wisconsin Alumni Research Foundation Cone-beam filtered backprojection image reconstruction method for short trajectories
WO2006058124A1 (en) * 2004-11-24 2006-06-01 Wisconsin Alumni Research Foundation Fan-beam and cone-beam image reconstruction using filtered backprojection of differentiated projection data
US20060198491A1 (en) * 2005-03-04 2006-09-07 Kabushiki Kaisha Toshiba Volumetric computed tomography system for imaging
US20070041613A1 (en) * 2005-05-11 2007-02-22 Luc Perron Database of target objects suitable for use in screening receptacles or people and method and apparatus for generating same
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
WO2006119603A1 (en) 2005-05-11 2006-11-16 Optosecurity Inc. Method and system for screening luggage items, cargo containers or persons
US7899232B2 (en) 2006-05-11 2011-03-01 Optosecurity Inc. Method and apparatus for providing threat image projection (TIP) in a luggage screening system, and luggage screening system implementing same
US8494210B2 (en) 2007-03-30 2013-07-23 Optosecurity Inc. User interface for use in security screening providing image enhancement capabilities and apparatus for implementing same
US7848479B1 (en) * 2007-06-29 2010-12-07 University Of Central Florida Research Foundation, Inc. Image reconstruction for a general circle-plus trajectory
MX2014002728A (es) 2011-09-07 2014-08-22 Rapiscan Systems Inc Sistema de inspeccion de rayos x que integra datos de manifiesto con procesamiento de deteccion / generacion de imagenes.
US9235889B1 (en) 2012-06-11 2016-01-12 University Of Central Florida Research Foundation, Inc. Systems, apparatus and methods for collecting and storing raw scan data and software for performing data processing, image reconstruction and interpretation
US8611631B1 (en) 2012-12-20 2013-12-17 University Of Central Florida Research Foundation, Inc. Variable filter length local tomography
US8929637B1 (en) 2012-12-20 2015-01-06 University Of Central Florida Research Foundation, Inc. System and method of variable filter length local tomography
US9042626B1 (en) 2012-12-20 2015-05-26 University Of Central Florida Research Foundation, Inc. System and method for hybrid local tomography image reconstruction
US9091628B2 (en) 2012-12-21 2015-07-28 L-3 Communications Security And Detection Systems, Inc. 3D mapping with two orthogonal imaging views
US9861333B2 (en) 2014-06-20 2018-01-09 Samsung Electronics Co., Ltd. X-ray imaging apparatus and control method for the same
KR101710866B1 (ko) * 2014-06-20 2017-03-13 삼성전자주식회사 엑스선 영상 장치 및 그 제어 방법
CN109074889B (zh) 2016-02-22 2022-10-18 拉皮斯坎系统股份有限公司 用于检测货物中的危险品和违禁品的系统和方法
CN108775873B (zh) * 2018-05-02 2020-05-22 浙江树人学院 一种三维扫描装置及其控制方法
TWI735953B (zh) * 2019-09-18 2021-08-11 財團法人工業技術研究院 三維量測裝置與其操作方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270926A (en) * 1990-12-21 1993-12-14 General Electric Company Method and apparatus for reconstructing a three-dimensional computerized tomography (CT) image of an object from incomplete cone beam projection data
US5257183A (en) * 1990-12-21 1993-10-26 General Electric Company Method and apparatus for converting cone beam X-ray projection data to planar integral and reconstructing a three-dimensional computerized tomography (CT) image of an object
US5390226A (en) * 1992-07-02 1995-02-14 General Electric Company Method and apparatus for pre-processing cone beam projection data for exact three dimensional computer tomographic image reconstruction of a portion of an object
US5461650A (en) * 1993-10-18 1995-10-24 General Electric Company Method and system for pre-processing cone beam data for reconstructing free of interpolation-induced artifacts a three dimensional computerized tomography image
US5463666A (en) * 1993-11-12 1995-10-31 General Electric Company Helical and circle scan region of interest computerized tomography
US5491735A (en) * 1994-12-22 1996-02-13 General Electric Company Image reconstruction apparatus and method for helical scanning
US5504792A (en) * 1994-12-27 1996-04-02 General Electric Company Method and system for masking cone beam projection data generated from either a region of interest helical scan or a helical scan
US5805659A (en) * 1996-09-30 1998-09-08 Siemens Corporate Research, Inc. Method and apparatus for spiral scan region of interest imaging

Also Published As

Publication number Publication date
JP2000081318A (ja) 2000-03-21
US5881123A (en) 1999-03-09

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: KRAMER - BARSKE - SCHMIDTCHEN, 81245 MUENCHEN

8110 Request for examination paragraph 44
8120 Willingness to grant licences paragraph 23
8139 Disposal/non-payment of the annual fee