RU2019111292A3 - - Google Patents
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- RU2019111292A3 RU2019111292A3 RU2019111292A RU2019111292A RU2019111292A3 RU 2019111292 A3 RU2019111292 A3 RU 2019111292A3 RU 2019111292 A RU2019111292 A RU 2019111292A RU 2019111292 A RU2019111292 A RU 2019111292A RU 2019111292 A3 RU2019111292 A3 RU 2019111292A3
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- RU
- Russia
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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]
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T12/00—Tomographic reconstruction from projections
- G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
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- 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
- A61B6/06—Diaphragms
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- 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
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- 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
- G01N2223/03—Investigating materials by wave or particle radiation by transmission
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- 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
- G01N2223/10—Different kinds of radiation or particles
- G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
- G01N2223/1016—X-ray
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- 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
- G01N2223/303—Accessories, mechanical or electrical features calibrating, standardising
- G01N2223/3035—Accessories, mechanical or electrical features calibrating, standardising phantom
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- 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
- G01N2223/401—Imaging image processing
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- 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
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- 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
- G01N2223/423—Imaging multispectral imaging-multiple energy imaging
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- 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
- G01N2223/60—Specific applications or type of materials
- G01N2223/616—Specific applications or type of materials earth materials
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- 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
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- 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
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Pulmonology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Medical Informatics (AREA)
- High Energy & Nuclear Physics (AREA)
- Veterinary Medicine (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862659887P | 2018-04-19 | 2018-04-19 | |
| US62/659,887 | 2018-04-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2019111292A RU2019111292A (ru) | 2020-10-16 |
| RU2019111292A3 true RU2019111292A3 (https=) | 2021-11-01 |
| RU2770544C2 RU2770544C2 (ru) | 2022-04-18 |
Family
ID=68237003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2019111292A RU2770544C2 (ru) | 2018-04-19 | 2019-04-16 | Коррекция увеличения жесткости рентгеновского излучения при томографической реконструкции с использованием модели ослабления альвареса-маковски |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10902650B2 (https=) |
| JP (1) | JP7181832B2 (https=) |
| CN (1) | CN110389138B (https=) |
| AU (1) | AU2019202047B2 (https=) |
| RU (1) | RU2770544C2 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10846860B2 (en) * | 2013-03-05 | 2020-11-24 | Nview Medical Inc. | Systems and methods for x-ray tomosynthesis image reconstruction |
| CN111373448B (zh) | 2017-09-22 | 2023-12-08 | 尼维医疗公司 | 使用机器学习正则化器的图像重建 |
| US11610297B2 (en) * | 2019-12-02 | 2023-03-21 | Kla Corporation | Tomography based semiconductor measurements using simplified models |
| FR3126779B1 (fr) * | 2021-09-09 | 2024-05-31 | Safran | Procédé, dispositif et programme d’ordinateur de contrôle d’une pièce par radiographie aux rayons X |
| CN115078214B (zh) * | 2022-06-14 | 2024-01-26 | 西南石油大学 | 基于双能ct的岩心矿物识别及孔隙度分布联合表征方法 |
| US12408888B2 (en) | 2023-06-12 | 2025-09-09 | Canon Medical Systems Corporation | Detector response calibaration data weight optimization method for a photon counting x-ray imaging system |
| CN117330592B (zh) * | 2023-11-30 | 2024-03-15 | 赛诺威盛科技(北京)股份有限公司 | 能谱及散射校正方法、装置和设备 |
| CN118505831B (zh) * | 2024-04-23 | 2025-10-21 | 中北大学 | 基于积分不变性的单电压下ct图像硬化伪影校正方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4029963A (en) * | 1976-07-30 | 1977-06-14 | The Board Of Trustees Of Leland Stanford Junior University | X-ray spectral decomposition imaging system |
| US6754298B2 (en) * | 2002-02-20 | 2004-06-22 | The Regents Of The University Of Michigan | Method for statistically reconstructing images from a plurality of transmission measurements having energy diversity and image reconstructor apparatus utilizing the method |
| US7356113B2 (en) * | 2003-02-12 | 2008-04-08 | Brandeis University | Tomosynthesis imaging system and method |
| US6973158B2 (en) * | 2003-06-25 | 2005-12-06 | Besson Guy M | Multi-target X-ray tube for dynamic multi-spectral limited-angle CT imaging |
| WO2008072175A1 (en) * | 2006-12-15 | 2008-06-19 | Koninklijke Philips Electronics N.V. | Spectrally resolving x-ray imaging device |
| DE102008030552A1 (de) * | 2008-06-27 | 2009-12-31 | Siemens Aktiengesellschaft | Verfahren zur Erzeugung von Bilddaten zu einer virtuell vorgebbaren Röntgenröhrenspannung aus ersten und zweiten CT-Bilddaten |
| DE102011075917B4 (de) * | 2011-05-16 | 2021-10-28 | Siemens Healthcare Gmbh | Verfahren zum Bereitstellen eines 3D-Bilddatensatzes mit unterdrückten Messfeldüberschreitungsartefakten und Computertomograph |
| EP2802270B1 (en) * | 2012-01-12 | 2017-10-11 | Koninklijke Philips N.V. | Generating attenuation image data and phase image data in an x-ray system |
| US8885975B2 (en) * | 2012-06-22 | 2014-11-11 | General Electric Company | Method and apparatus for iterative reconstruction |
| WO2014081945A2 (en) * | 2012-11-21 | 2014-05-30 | The Trustees Of Columbia University In The City Of New York | Systems, methods, and devices for image reconstruction using combined pde-constrained and simplified spherical harmonics algorithm |
| US9600924B2 (en) * | 2014-02-05 | 2017-03-21 | Siemens Aktiengesellschaft | Iterative reconstruction of image data in CT |
| EP2945123A1 (en) * | 2014-05-12 | 2015-11-18 | Agfa Healthcare | Computerized tomographic image exposure and reconstruction method |
| KR20150145633A (ko) * | 2014-06-20 | 2015-12-30 | 삼성전자주식회사 | 엑스선 영상 장치 및 그 제어 방법 |
| WO2016028655A1 (en) * | 2014-08-16 | 2016-02-25 | Fei Company | Correction of beam hardening artifacts in microtomography for samples imaged in containers |
| US10019818B2 (en) * | 2015-03-12 | 2018-07-10 | Toshiba Medical Systems Corporation | Concurrent forward- and back-projection iterative reconstruction system |
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2018
- 2018-08-23 US US16/110,264 patent/US10902650B2/en active Active
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2019
- 2019-03-25 AU AU2019202047A patent/AU2019202047B2/en active Active
- 2019-04-15 JP JP2019077112A patent/JP7181832B2/ja active Active
- 2019-04-16 RU RU2019111292A patent/RU2770544C2/ru active
- 2019-04-18 CN CN201910315600.XA patent/CN110389138B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019188135A (ja) | 2019-10-31 |
| US20190325618A1 (en) | 2019-10-24 |
| US10902650B2 (en) | 2021-01-26 |
| CN110389138B (zh) | 2024-06-11 |
| CN110389138A (zh) | 2019-10-29 |
| RU2770544C2 (ru) | 2022-04-18 |
| AU2019202047B2 (en) | 2023-10-05 |
| RU2019111292A (ru) | 2020-10-16 |
| JP7181832B2 (ja) | 2022-12-01 |
| AU2019202047A1 (en) | 2019-11-07 |