JP2013543784A5 - - Google Patents

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Publication number
JP2013543784A5
JP2013543784A5 JP2013540463A JP2013540463A JP2013543784A5 JP 2013543784 A5 JP2013543784 A5 JP 2013543784A5 JP 2013540463 A JP2013540463 A JP 2013540463A JP 2013540463 A JP2013540463 A JP 2013540463A JP 2013543784 A5 JP2013543784 A5 JP 2013543784A5
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JP
Japan
Prior art keywords
ray
light
forward projection
projection
image
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JP2013540463A
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English (en)
Japanese (ja)
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JP5913351B2 (ja
JP2013543784A (ja
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Priority claimed from PCT/IB2011/055123 external-priority patent/WO2012069964A1/en
Publication of JP2013543784A publication Critical patent/JP2013543784A/ja
Publication of JP2013543784A5 publication Critical patent/JP2013543784A5/ja
Application granted granted Critical
Publication of JP5913351B2 publication Critical patent/JP5913351B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2013540463A 2010-11-25 2011-11-16 順投影装置 Expired - Fee Related JP5913351B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10192558.4 2010-11-25
EP10192558 2010-11-25
PCT/IB2011/055123 WO2012069964A1 (en) 2010-11-25 2011-11-16 Forward projection apparatus

Publications (3)

Publication Number Publication Date
JP2013543784A JP2013543784A (ja) 2013-12-09
JP2013543784A5 true JP2013543784A5 (enExample) 2014-12-18
JP5913351B2 JP5913351B2 (ja) 2016-04-27

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ID=45375465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013540463A Expired - Fee Related JP5913351B2 (ja) 2010-11-25 2011-11-16 順投影装置

Country Status (7)

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US (1) US9002090B2 (enExample)
EP (1) EP2643815B1 (enExample)
JP (1) JP5913351B2 (enExample)
CN (1) CN103229211B (enExample)
BR (1) BR112013012676A2 (enExample)
RU (1) RU2589386C2 (enExample)
WO (1) WO2012069964A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9478050B2 (en) * 2011-01-06 2016-10-25 Koninklijke Philips N.V. Imaging system for imaging an object
WO2012095713A1 (en) * 2011-01-10 2012-07-19 Koninklijke Philips Electronics N.V. Dual -energy tomographic imaging system
CN103976753B (zh) * 2013-02-08 2016-08-17 株式会社日立制作所 Ct图像生成装置和ct图像生成方法
KR102060659B1 (ko) 2013-03-20 2019-12-30 삼성전자주식회사 영상 처리를 위한 투사 및 역투사 방법 및 그 영상 처리 장치
CN103279929B (zh) * 2013-05-25 2015-11-18 北京工业大学 一种基于余弦积分的ct图像金属轨迹预测和伪影去除方法
CN103617598B (zh) * 2013-11-10 2016-08-31 北京工业大学 一种基于轨迹的ct图像金属伪影去除方法
JP6370280B2 (ja) * 2015-09-16 2018-08-08 富士フイルム株式会社 断層画像生成装置、方法およびプログラム
US10789738B2 (en) * 2017-11-03 2020-09-29 The University Of Chicago Method and apparatus to reduce artifacts in a computed-tomography (CT) image by iterative reconstruction (IR) using a cost function with a de-emphasis operator
US10772594B2 (en) * 2017-12-11 2020-09-15 Dentsply Sirona Inc. Methods, systems, apparatuses, and computer program products for extending the field of view of a sensor and obtaining a synthetic radiagraph
KR20190118075A (ko) * 2018-04-09 2019-10-17 삼성전자주식회사 단층 촬영 장치 및 그에 따른 단층 영상 처리 방법
CN119357527B (zh) * 2024-12-27 2025-04-18 浙江天行健智能科技有限公司 基于插值射线的射线强度分析方法、系统、终端及计算机可读存储介质

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636952A (en) * 1984-12-03 1987-01-13 General Electric Company Method and apparatus for back projection image reconstruction using virtual equi-spaced detector array
EP0780010A4 (en) * 1994-09-06 1997-11-12 Univ New York State Res Found APPARATUS AND METHOD FOR REAL-TIME VOLUME VIEWING
EP0992023A4 (en) 1997-04-15 2001-04-18 Res Foundation Of DEVICE AND METHOD FOR PARALLEL AND PERSPECTIVE REAL-TIME VOLUME VISUALIZATION
EP1437688B1 (en) 1998-02-23 2007-11-28 Algotec Systems Ltd. Raycasting system and method
DE69937651T2 (de) 1998-02-23 2008-06-19 Algotec Systems Ltd. System und Verfahren zur Strahlverfolgung
JP3827917B2 (ja) 2000-05-18 2006-09-27 株式会社日立製作所 液晶表示装置および半導体集積回路装置
US6587537B1 (en) * 2002-04-01 2003-07-01 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for multi-slice image reconstruction
US6724856B2 (en) * 2002-04-15 2004-04-20 General Electric Company Reprojection and backprojection methods and algorithms for implementation thereof
CN1517073A (zh) * 2003-01-22 2004-08-04 西门子公司 带有至少两组辐射源-检测器组件的成像断层造影设备
JP2007530085A (ja) * 2003-07-15 2007-11-01 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 大きなガントリボアを有するコンピュータトモグラフィスキャナ
US7348975B2 (en) * 2004-12-28 2008-03-25 Intel Corporation Applications of interval arithmetic for reduction of number of computations in ray tracing problems
US7362330B2 (en) 2005-09-15 2008-04-22 International Business Machines Corporation Adaptive span computation when ray casting
DE102005051620A1 (de) * 2005-10-27 2007-05-03 Siemens Ag Verfahren zur Rekonstruktion einer tomographischen Darstellung eines Objektes
CN100495439C (zh) * 2005-11-21 2009-06-03 清华大学 采用直线轨迹扫描的图像重建系统和方法
JP4938335B2 (ja) * 2006-04-03 2012-05-23 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
US8116426B2 (en) * 2008-11-11 2012-02-14 Kabushiki Kaisha Toshiba Computed tomography device and method using circular-pixel position-adaptive interpolation
WO2010100996A1 (ja) * 2009-03-04 2010-09-10 株式会社 日立メディコ Ｘ線ｃｔ装置及び画像修正プログラム

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