ATE556393T1 - System und verfahren zum rekonstruieren eines bildes durch abtastung entlang einer geradlinigen trajektorie. - Google Patents

System und verfahren zum rekonstruieren eines bildes durch abtastung entlang einer geradlinigen trajektorie.

Info

Publication number
ATE556393T1
ATE556393T1 AT06791243T AT06791243T ATE556393T1 AT E556393 T1 ATE556393 T1 AT E556393T1 AT 06791243 T AT06791243 T AT 06791243T AT 06791243 T AT06791243 T AT 06791243T AT E556393 T1 ATE556393 T1 AT E556393T1
Authority
AT
Austria
Prior art keywords
image
projection
projection data
reconstructing
filtration
Prior art date
Application number
AT06791243T
Other languages
English (en)
Inventor
Li Zhang
Hewei Gao
Zhiqiang Chen
Kejun Kang
Jianping Cheng
Yuanjing Li
Yinong Liu
Yuxiang Xing
Ziran Zhao
Yongshun Xiao
Original Assignee
Univ Tsinghua
Nuctech Co Ltd
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 Univ Tsinghua, Nuctech Co Ltd filed Critical Univ Tsinghua
Application granted granted Critical
Publication of ATE556393T1 publication Critical patent/ATE556393T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • 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 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
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/30—Accessories, mechanical or electrical features
    • G01N2223/33—Accessories, mechanical or electrical features scanning, i.e. relative motion for measurement of successive object-parts
    • G01N2223/3303—Accessories, mechanical or electrical features scanning, i.e. relative motion for measurement of successive object-parts object fixed; source and detector move
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph
    • 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]

Landscapes

  • Theoretical Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Algebra (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mathematical Physics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Analysis (AREA)
AT06791243T 2005-11-21 2006-10-11 System und verfahren zum rekonstruieren eines bildes durch abtastung entlang einer geradlinigen trajektorie. ATE556393T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2005101235880A CN100495439C (zh) 2005-11-21 2005-11-21 采用直线轨迹扫描的图像重建系统和方法
PCT/CN2006/002670 WO2007056922A1 (fr) 2005-11-21 2006-10-11 Systeme et procede de reconstruction d'image par balayage suivant une trajectoire rectiligne

Publications (1)

Publication Number Publication Date
ATE556393T1 true ATE556393T1 (de) 2012-05-15

Family

ID=38048282

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06791243T ATE556393T1 (de) 2005-11-21 2006-10-11 System und verfahren zum rekonstruieren eines bildes durch abtastung entlang einer geradlinigen trajektorie.

Country Status (10)

Country Link
US (1) US7424089B2 (de)
EP (1) EP1953700B1 (de)
JP (1) JP4668161B2 (de)
CN (1) CN100495439C (de)
AT (1) ATE556393T1 (de)
AU (1) AU2006315013B2 (de)
DE (1) DE102006054591A1 (de)
PL (1) PL1953700T3 (de)
RU (1) RU2334973C1 (de)
WO (1) WO2007056922A1 (de)

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CN101561405B (zh) 2008-04-17 2011-07-06 清华大学 一种直线轨迹扫描成像系统和方法
EP2130494A1 (de) * 2008-06-06 2009-12-09 Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) Abtastvorrichtung und Verfahren für Computertomografie-Bildgebung
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CN102590234B (zh) * 2009-05-27 2014-04-09 清华大学 基于直线轨迹扫描的双能欠采样物质识别系统和方法
CN101900694B (zh) * 2009-05-27 2012-05-30 清华大学 基于直线轨迹扫描的双能欠采样物质识别系统和方法
US9687200B2 (en) 2010-06-08 2017-06-27 Accuray Incorporated Radiation treatment delivery system with translatable ring gantry
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KR20110112168A (ko) * 2010-04-05 2011-10-12 삼성전자주식회사 내부 비트뎁스 확장에 기반한 비디오 부호화 방법 및 그 장치, 내부 비트뎁스 확장에 기반한 비디오 복호화 방법 및 그 장치
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US8559596B2 (en) 2010-06-08 2013-10-15 Accuray Incorporated Target Tracking for image-guided radiation treatment
CN102279970B (zh) * 2010-06-13 2013-02-27 清华大学 基于gpu的螺旋锥束ct重建方法
CN102004111B (zh) * 2010-09-28 2012-09-19 北京航空航天大学 一种倾斜多锥束直线轨迹ct成像方法
JP6214128B2 (ja) 2010-11-22 2017-10-18 キヤノン株式会社 画像処理装置、画像処理方法、及び記憶媒体
WO2012069964A1 (en) * 2010-11-25 2012-05-31 Koninklijke Philips Electronics N.V. Forward projection apparatus
US8536547B2 (en) 2011-01-20 2013-09-17 Accuray Incorporated Ring gantry radiation treatment delivery system with dynamically controllable inward extension of treatment head
CN103797517B (zh) * 2011-09-12 2018-06-12 皇家飞利浦有限公司 针对有限角度断层摄影中的滤波反投影的图像重建的方法、计算设备、装置和可读介质
US9526467B2 (en) * 2012-03-27 2016-12-27 Hitachi, Ltd. Radiation image pick-up device and image processing method
US9959631B2 (en) 2014-02-21 2018-05-01 Samsung Electronics Co., Ltd. Tomography apparatus and method for reconstructing tomography image thereof
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CN105094725B (zh) * 2014-05-14 2019-02-19 同方威视技术股份有限公司 图像显示方法
CN104142353B (zh) * 2014-06-06 2017-01-11 清华大学 可见光成像辅助定位局部ct扫描方法及系统
CN105784731B (zh) * 2014-06-25 2019-02-22 同方威视技术股份有限公司 一种定位三维ct图像中的目标的方法和安检系统
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CN106934110B (zh) * 2016-12-14 2021-02-26 北京信息科技大学 一种由聚焦堆栈重建光场的反投影方法和装置
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CN106845540B (zh) * 2017-01-06 2020-02-07 天津大学 一种图像重采样操作插值类型识别方法
CN106709915B (zh) * 2017-01-06 2020-02-07 天津大学 一种图像重采样操作检测方法
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Also Published As

Publication number Publication date
US20070116175A1 (en) 2007-05-24
EP1953700B1 (de) 2012-05-02
JP4668161B2 (ja) 2011-04-13
RU2334973C1 (ru) 2008-09-27
RU2006140975A (ru) 2008-05-27
EP1953700A4 (de) 2009-08-12
WO2007056922A1 (fr) 2007-05-24
CN100495439C (zh) 2009-06-03
CN1971620A (zh) 2007-05-30
DE102006054591A1 (de) 2007-06-14
EP1953700A1 (de) 2008-08-06
AU2006315013B2 (en) 2011-03-10
AU2006315013A1 (en) 2007-05-24
PL1953700T3 (pl) 2013-01-31
JP2007139783A (ja) 2007-06-07
US7424089B2 (en) 2008-09-09

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