PL2843623T3 - Sposób rekonstrukcji w dwuenergetycznej rentgenowskiej TK - Google Patents

Sposób rekonstrukcji w dwuenergetycznej rentgenowskiej TK

Info

Publication number
PL2843623T3
PL2843623T3 PL14177280T PL14177280T PL2843623T3 PL 2843623 T3 PL2843623 T3 PL 2843623T3 PL 14177280 T PL14177280 T PL 14177280T PL 14177280 T PL14177280 T PL 14177280T PL 2843623 T3 PL2843623 T3 PL 2843623T3
Authority
PL
Poland
Prior art keywords
dual
ray
energy
reconstruction method
reconstruction
Prior art date
Application number
PL14177280T
Other languages
English (en)
Inventor
Xing Yuxiang
Le SHEN
Li Zhang
Zhiqiang Chen
Li Liang
Original Assignee
Tsinghua University
Nuctech Company Limited
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 Tsinghua University, Nuctech Company Limited filed Critical Tsinghua University
Publication of PL2843623T3 publication Critical patent/PL2843623T3/pl

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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10081—Computed x-ray tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20182—Noise reduction or smoothing in the temporal domain; Spatio-temporal filtering
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/408—Dual energy
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/424—Iterative

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pulmonology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
PL14177280T 2013-07-26 2014-07-16 Sposób rekonstrukcji w dwuenergetycznej rentgenowskiej TK PL2843623T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310318608.4A CN104346820B (zh) 2013-07-26 2013-07-26 一种x光双能ct重建方法
EP14177280.6A EP2843623B1 (en) 2013-07-26 2014-07-16 X-ray dual-energy CT reconstruction method

Publications (1)

Publication Number Publication Date
PL2843623T3 true PL2843623T3 (pl) 2019-09-30

Family

ID=51205275

Family Applications (1)

Application Number Title Priority Date Filing Date
PL14177280T PL2843623T3 (pl) 2013-07-26 2014-07-16 Sposób rekonstrukcji w dwuenergetycznej rentgenowskiej TK

Country Status (5)

Country Link
US (1) US9513235B2 (pl)
EP (1) EP2843623B1 (pl)
CN (1) CN104346820B (pl)
PL (1) PL2843623T3 (pl)
WO (1) WO2015010632A1 (pl)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104899903B (zh) * 2015-05-12 2018-11-30 公安部第一研究所 基于cuda架构的gpu并行加速双能谱ct重建方法
CN105512487A (zh) * 2015-12-15 2016-04-20 浙江大学 图像域双能ct多材料统计分解方法
CN106023124A (zh) * 2016-05-09 2016-10-12 上海交通大学 一种基于先验图像约束的磁共振稀疏重建图像方法
CN107356615B (zh) * 2016-05-10 2020-01-21 清华大学 一种用于双能x射线ct的方法和系统
CN105807329B (zh) * 2016-05-30 2019-05-17 公安部第一研究所 一种用于识别包裹中危险液体的x射线检测装置与方法
US11172893B2 (en) * 2016-07-01 2021-11-16 Georgia Tech Research Corporation Dual-energy CT through primary beam modulation
CN106251383B (zh) * 2016-08-31 2018-11-27 东北大学 一种能谱ct基物质正弦图的估计方法
JPWO2018062308A1 (ja) * 2016-09-28 2019-07-11 国立大学法人群馬大学 Ｘ線ｃｔ装置、電子密度及び実効原子番号の測定方法、ｃｔ検査方法、検査方法
CN106910157B (zh) * 2017-02-17 2020-06-26 公安部第一研究所 一种多级并行的图像重建方法及装置
CN108010098B (zh) * 2017-12-04 2020-12-25 首都师范大学 一种双能谱ct基材料图像迭代重建方法
DE102018201967A1 (de) * 2018-02-08 2019-08-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Auswerten einer Multi-Energie-Röntgen-Aufnahme mittels einer Basismaterialzerlegung
CN108896588B (zh) * 2018-06-08 2020-11-20 中北大学 一种多孔介质微观结构的测量方法
CN110176045A (zh) * 2019-05-05 2019-08-27 东南大学 一种由单能ct图像生成双能ct图像的方法
CN110428395B (zh) * 2019-06-20 2021-10-08 浙江大学 单能谱ct图像的多材料分解方法
CN110731788B (zh) * 2019-07-18 2023-10-20 天津大学 一种基于双能ct扫描仪对基物质进行快速分解的方法
GB2589926B (en) * 2019-12-13 2024-10-23 Smiths Detection France S A S Correction of images and depth information for detection with matrix
CN112304987B (zh) * 2020-10-19 2024-04-12 西北工业大学 基于光子计数能谱ct的含能材料等效原子序数测量方法
CN112652054B (zh) * 2020-12-22 2022-12-20 上海索骥信息科技有限公司 一种dr/ct数字物体构建方法和系统
CN112581556B (zh) * 2020-12-25 2023-01-03 上海联影医疗科技股份有限公司 多能ct图像硬化校正方法、装置、计算机设备和存储介质
CN112924478B (zh) * 2021-01-29 2022-12-06 上海科技大学 基于双能量数字x射线成像的架空线缆检测系统
CN113298905B (zh) * 2021-05-28 2022-12-16 同济大学 基于基础材料分解的多能谱ct重建方法及计算机可读介质
CN114903510B (zh) * 2022-05-26 2023-04-18 北京朗视仪器股份有限公司 一种双能ct成像方法、装置及计算机设备
CN119679445B (zh) * 2024-12-04 2025-09-23 东南大学 一种基于快速蒙特卡罗模拟的cbct散射校正方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6614874B2 (en) * 2002-01-28 2003-09-02 Ge Medical Systems Global Technology Company, Llc Robust and efficient decomposition algorithm for digital x-ray de imaging
WO2005009206A2 (en) * 2003-06-25 2005-02-03 Besson Guy M Dynamic multi-spectral imaging system
US7391882B2 (en) * 2004-01-29 2008-06-24 Siemens Medical Solutions Usa, Inc. Prior knowledge, level set representations and visual grouping
US8184877B2 (en) * 2007-02-12 2012-05-22 Carestream Health, Inc. Renormalization of dual-energy images
CN101403710B (zh) * 2007-10-05 2013-06-19 清华大学 液态物品检查方法和设备
JP5106978B2 (ja) * 2007-10-15 2012-12-26 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
US8194961B2 (en) * 2008-04-21 2012-06-05 Kabushiki Kaisha Toshiba Method, apparatus, and computer-readable medium for pre-reconstruction decomposition and calibration in dual energy computed tomography
CN101647706B (zh) * 2008-08-13 2012-05-30 清华大学 高能双能ct系统的图象重建方法
WO2010028027A1 (en) * 2008-09-03 2010-03-11 Mayo Foundation For Medical Education And Research Method for reconstruction in dual energy, dual source helical computed tomography
US9036879B2 (en) * 2008-11-28 2015-05-19 General Electric Company Multi-material decomposition using dual energy computed tomography
US8165264B2 (en) * 2009-01-28 2012-04-24 Kabushiki Kaisha Toshiba Method of pre-reconstruction decomposition for fast kV-switching acquisition in dual energy computed tomography (CT)
CN102435621B (zh) * 2009-05-27 2013-09-11 清华大学 双能欠采样物质识别方法和系统
CN103913472B (zh) * 2012-12-31 2016-04-20 同方威视技术股份有限公司 Ct成像系统和方法

Also Published As

Publication number Publication date
EP2843623A3 (en) 2015-04-22
CN104346820B (zh) 2017-05-17
EP2843623B1 (en) 2019-02-13
CN104346820A (zh) 2015-02-11
EP2843623A2 (en) 2015-03-04
HK1204124A1 (en) 2015-11-06
WO2015010632A1 (zh) 2015-01-29
US9513235B2 (en) 2016-12-06
US20150030225A1 (en) 2015-01-29

Similar Documents

Publication Publication Date Title
PL2843623T3 (pl) Sposób rekonstrukcji w dwuenergetycznej rentgenowskiej TK
IL246344B (en) Ct system and method therefor
GB2517829B (en) CT imaging methods and systems
GB2501391B (en) Methods and systems for volumetric reconstruction using radiography
GB2520711B (en) Calibration apparatus and method for computed tomography
EP2943127A4 (en) PROCESS FOR FOCUSED ACOUSTIC COMPUTER TOMOGRAPHY (FACT)
IL247916B (en) Spiral ct systems and reconstruction methods
GB201313810D0 (en) Method and system for tomosynthesis imaging
GB201308597D0 (en) Enclosed X-ray imaging system
DE112013001662A5 (de) Phasenkontrast-Röntgen-Tomographiegerät
EP3084419C0 (en) ADVANCED ULTRASONIC INSPECTION
EP3970621C0 (en) MEDICAL IMAGING SYSTEM AND WORKSTATION WITH ITS X-RAY DETECTOR
PL3117777T3 (pl) Metoda tomografii rozpraszającej i urządzenie do tomografii rozpraszającej
BR112013030647A2 (pt) dispositivo de tomografia de raios x
GB2521907B (en) X-ray topography apparatus
FI20130359L (fi) Tomosynteesikalibrointi mammografian yhteydessä
GB201404628D0 (en) Medical imaging
GB201322452D0 (en) Target-specific dose & scatter estimation in CT images
FI20120395L (fi) Lääketieteellinen tietokonetomografiakuvauslaitteisto
EP3006924A4 (en) Device and method for image reconstruction at different x-ray energies, and device and method for x-ray three-dimensional measurement
EP2941634A4 (en) Dynamic dose reduction in x-ray inspection
PL3011321T3 (pl) Obrazowanie rentgenowskie z kodowaną przesłoną
GB201408761D0 (en) X-ray imaging apparatus and methods
IL244660B (en) Analysis of electromagnetic radiation in air
IL252326A0 (en) Image reconstruction for computed tomography