PL2843623T3 - Sposób rekonstrukcji w dwuenergetycznej rentgenowskiej TK - Google Patents
Sposób rekonstrukcji w dwuenergetycznej rentgenowskiej TKInfo
- 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
- energy
- reconstruction method
- ray dual
- dual
- ray
- Prior art date
Links
Classifications
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- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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; CALCULATING OR 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; CALCULATING OR 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; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2211/00—Image generation
- G06T2211/40—Computed tomography
- G06T2211/424—Iterative
Landscapes
- Theoretical Computer Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Optimization (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Apparatus For Radiation Diagnosis (AREA)
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 (6)
Country | Link |
---|---|
US (1) | US9513235B2 (pl) |
EP (1) | EP2843623B1 (pl) |
CN (1) | CN104346820B (pl) |
HK (1) | HK1204124A1 (pl) |
PL (1) | PL2843623T3 (pl) |
WO (1) | WO2015010632A1 (pl) |
Families Citing this family (21)
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 |
WO2018062308A1 (ja) * | 2016-09-28 | 2018-04-05 | 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 |
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 |
Family Cites Families (13)
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 |
WO2008100471A1 (en) * | 2007-02-12 | 2008-08-21 | 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 |
US8705822B2 (en) * | 2008-09-03 | 2014-04-22 | Mayo Foundation For Medical Education And Research | Method for creating images indicating material decomposition 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 |
-
2013
- 2013-07-26 CN CN201310318608.4A patent/CN104346820B/zh active Active
-
2014
- 2014-07-16 EP EP14177280.6A patent/EP2843623B1/en active Active
- 2014-07-16 PL PL14177280T patent/PL2843623T3/pl unknown
- 2014-07-22 US US14/337,209 patent/US9513235B2/en active Active
- 2014-07-24 WO PCT/CN2014/082900 patent/WO2015010632A1/zh active Application Filing
-
2015
- 2015-05-12 HK HK15104447.4A patent/HK1204124A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CN104346820A (zh) | 2015-02-11 |
EP2843623A2 (en) | 2015-03-04 |
US9513235B2 (en) | 2016-12-06 |
CN104346820B (zh) | 2017-05-17 |
HK1204124A1 (en) | 2015-11-06 |
US20150030225A1 (en) | 2015-01-29 |
EP2843623A3 (en) | 2015-04-22 |
EP2843623B1 (en) | 2019-02-13 |
WO2015010632A1 (zh) | 2015-01-29 |
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