JP2000081318A5 - - Google Patents

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Publication number
JP2000081318A5
JP2000081318A5 JP1999183626A JP18362699A JP2000081318A5 JP 2000081318 A5 JP2000081318 A5 JP 2000081318A5 JP 1999183626 A JP1999183626 A JP 1999183626A JP 18362699 A JP18362699 A JP 18362699A JP 2000081318 A5 JP2000081318 A5 JP 2000081318A5
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JP
Japan
Prior art keywords
projection
mask
scan path
source
data
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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.)
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JP1999183626A
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English (en)
Japanese (ja)
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JP2000081318A (ja
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Priority claimed from US09/106,537 external-priority patent/US5881123A/en
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Publication of JP2000081318A publication Critical patent/JP2000081318A/ja
Publication of JP2000081318A5 publication Critical patent/JP2000081318A5/ja
Withdrawn legal-status Critical Current

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JP18362699A 1998-06-29 1999-06-29 ３次元コンピュ―タトモグラフィイメ―ジングのためのスキャニングおよびデ―タ収集方法およびイメ―ジング装置 Withdrawn JP2000081318A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/106537 1998-06-29
US09/106,537 US5881123A (en) 1998-03-31 1998-06-29 Simplified cone beam image reconstruction using 3D backprojection

Publications (2)

Publication Number Publication Date
JP2000081318A JP2000081318A (ja) 2000-03-21
JP2000081318A5 true JP2000081318A5 (https=) 2007-04-05

Family

ID=22311958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18362699A Withdrawn JP2000081318A (ja) 1998-06-29 1999-06-29 ３次元コンピュ―タトモグラフィイメ―ジングのためのスキャニングおよびデ―タ収集方法およびイメ―ジング装置

Country Status (3)

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

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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
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
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
US20040114728A1 (en) * 2001-01-29 2004-06-17 Wolfgang Schlegel Method and device for constructing an image in a spatial volume
WO2002073174A2 (en) 2001-03-12 2002-09-19 Koninklijke Philips Electronics N.V. Fast computed tomography method
US6771733B2 (en) 2001-08-16 2004-08-03 University Of Central Florida Method of reconstructing images for spiral and non-spiral computer tomography
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
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
JP4553894B2 (ja) * 2003-02-14 2010-09-29 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 正確な再構成を伴うヘリカルコーンビームコンピュータトモグラフィのためのシステム及び方法
AU2003304013A1 (en) * 2003-03-14 2004-10-11 Research Foundation Of The University Of Central Florida, Incorporated Efficient variable pitch spiral computed tomography algorithm
US6990167B2 (en) * 2003-08-29 2006-01-24 Wisconsin Alumni Research Foundation Image reconstruction method for divergent beam scanner
US20070025507A1 (en) * 2003-09-18 2007-02-01 Koninklijke Philips Electronics N.V. Imaging process and device
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
EP1828985A1 (en) * 2004-11-24 2007-09-05 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
EP1886257A1 (en) 2005-05-11 2008-02-13 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
US9111331B2 (en) 2011-09-07 2015-08-18 Rapiscan Systems, Inc. X-ray inspection system that integrates manifest data with imaging/detection processing
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
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
US8611631B1 (en) 2012-12-20 2013-12-17 University Of Central Florida Research Foundation, Inc. Variable filter length local tomography
US9091628B2 (en) 2012-12-21 2015-07-28 L-3 Communications Security And Detection Systems, Inc. 3D mapping with two orthogonal imaging views
KR101710866B1 (ko) * 2014-06-20 2017-03-13 삼성전자주식회사 엑스선 영상 장치 및 그 제어 방법
US9861333B2 (en) 2014-06-20 2018-01-09 Samsung Electronics Co., Ltd. X-ray imaging apparatus and control method for the same
PL3764281T3 (pl) 2016-02-22 2025-02-10 Rapiscan Systems, Inc. Sposoby identyfikacji broni palnej na obrazach radiograficznych
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

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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

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