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 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
    • A61B6/03—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 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]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Pulmonology (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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BR112013012676A2 (pt) * 2010-11-25 2016-08-23 Koninkl Philips Electronics Nv aparelho de projeção direta para realizar uma projeção direta através de uma imagem, aparelho de reconstrução para reconstruir iterativamente uma imagem de uma região de interesse a partir dos dados de projeção adquiridos, aparelho de aquisição de imagens para gerar uma imagem de uma região de interesse, método de projeção direta para realizar uma projeção direta através de uma imagem e programa de computador para realizar uma projeção direta através de uma imagem
US8536547B2 (en) 2011-01-20 2013-09-17 Accuray Incorporated Ring gantry radiation treatment delivery system with dynamically controllable inward extension of treatment head
EP2745272A1 (de) * 2011-09-12 2014-06-25 Koninklijke Philips N.V. Verfahren zur bildrekonstruktion für eine gefilterter rückprojektion bei einer tomografie mit begrenztem winkel
JP5833224B2 (ja) * 2012-03-27 2015-12-16 株式会社日立メディコ 放射線撮像装置および画像処理方法
US9959631B2 (en) 2014-02-21 2018-05-01 Samsung Electronics Co., Ltd. Tomography apparatus and method for reconstructing tomography image thereof
US9865066B2 (en) * 2014-05-06 2018-01-09 Astrophysics Inc. Computed tomography system for cargo and transported containers
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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CN112504441B (zh) * 2020-12-15 2022-12-13 西安热工研究院有限公司 一种基于重要信息重构的振动加速度信号分段积分方法
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Also Published As

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

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