PL2862516T3 - Sposoby i systemy obrazowania CT - Google Patents

Sposoby i systemy obrazowania CT

Info

Publication number
PL2862516T3
PL2862516T3 PL14172167T PL14172167T PL2862516T3 PL 2862516 T3 PL2862516 T3 PL 2862516T3 PL 14172167 T PL14172167 T PL 14172167T PL 14172167 T PL14172167 T PL 14172167T PL 2862516 T3 PL2862516 T3 PL 2862516T3
Authority
PL
Poland
Prior art keywords
systems
imaging methods
imaging
methods
Prior art date
Application number
PL14172167T
Other languages
English (en)
Inventor
Le SHEN
Yuxiang Xing
Li Zhang
Zhiqiang Chen
Original Assignee
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 Nuctech Company Limited filed Critical Nuctech Company Limited
Publication of PL2862516T3 publication Critical patent/PL2862516T3/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]
    • 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]
    • 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]
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • 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
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
    • 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
    • G06T2211/436—Limited angle

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Optics & Photonics (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
PL14172167T 2013-06-14 2014-06-12 Sposoby i systemy obrazowania CT PL2862516T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310234787.3A CN104240270B (zh) 2013-06-14 2013-06-14 Ct成像方法和系统
EP14172167.0A EP2862516B1 (en) 2013-06-14 2014-06-12 CT imaging methods and systems

Publications (1)

Publication Number Publication Date
PL2862516T3 true PL2862516T3 (pl) 2019-01-31

Family

ID=51176886

Family Applications (1)

Application Number Title Priority Date Filing Date
PL14172167T PL2862516T3 (pl) 2013-06-14 2014-06-12 Sposoby i systemy obrazowania CT

Country Status (7)

Country Link
US (1) US9702832B2 (pl)
EP (1) EP2862516B1 (pl)
CN (1) CN104240270B (pl)
ES (1) ES2687298T3 (pl)
GB (1) GB2517829B (pl)
PL (1) PL2862516T3 (pl)
WO (2) WO2014198237A1 (pl)

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EP3161792B1 (en) * 2014-06-25 2017-10-25 Koninklijke Philips N.V. Ct imaging apparatus with sparse angular sampling
JP6658552B2 (ja) * 2015-02-09 2020-03-04 株式会社ニコン Ｘ線計測装置の画像再構成方法、ｘ線計測装置の画像再構成プログラムおよびｘ線計測装置
KR20170129842A (ko) 2015-03-18 2017-11-27 프리스매틱 센서즈 에이비 광자-계수 멀티 빈 검출기로부터의 에너지 분해 영상 데이터에 기반한 영상 재구성 (image reconstruction based on energy-resolved image data from a photon-counting multi bin detector)
CN106530366B (zh) * 2015-09-09 2019-04-16 清华大学 能谱ct图像重建方法及能谱ct成像系统
DE112016005742T5 (de) 2015-12-15 2018-10-04 Koninklijke Philips N.V. Datenverarbeitungsverfahren für Computertomographie
CN107249465B (zh) * 2015-12-18 2018-09-28 皇家飞利浦有限公司 用于稀疏角度采样的断层摄影成像装置和方法
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
CN108537831B (zh) * 2018-03-09 2021-06-15 中北大学 对增材制造工件进行ct成像的方法及装置
CN108898642B (zh) * 2018-06-01 2022-11-11 安徽工程大学 一种基于卷积神经网络的稀疏角度ct成像方法
CN109171781B (zh) * 2018-11-06 2022-05-13 上海联影医疗科技股份有限公司 灌注扫描图像重建方法、装置、影像扫描设备及存储介质
CN113164129B (zh) * 2018-11-30 2024-10-15 爱可瑞公司 使用分次间信息进行图像重构和校正的方法和装置
CN109471185B (zh) * 2018-12-17 2024-09-27 同方威视技术股份有限公司 Ct系统和用于ct系统的探测装置
CN109685865B (zh) * 2018-12-24 2023-03-31 电子科技大学 适合直线扫描轨迹的锥束断层重建方法
US11039801B2 (en) * 2019-07-02 2021-06-22 GE Precision Healthcare LLC Systems and methods for high-resolution spectral computed tomography imaging
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CN110853742B (zh) * 2019-11-12 2023-03-28 上海联影医疗科技股份有限公司 一种图像重建方法、系统、装置及存储介质
CN111067561B (zh) * 2019-12-25 2023-05-02 东软医疗系统股份有限公司 能谱ct物质分解方法、装置、ct设备及ct系统
CN111317495B (zh) * 2020-02-25 2023-03-31 沈阳先进医疗设备技术孵化中心有限公司 Ct图像数据的处理方法及ct成像系统
CN111696166A (zh) * 2020-06-10 2020-09-22 浙江大学 基于fdk型预处理矩阵的圆周锥束ct快速迭代重建方法
CN111710013B (zh) * 2020-06-17 2023-06-23 深圳高性能医疗器械国家研究院有限公司 一种ct图像的分离重建方法及应用
CN111724452B (zh) * 2020-06-17 2024-05-28 深圳高性能医疗器械国家研究院有限公司 一种低剂量ct图像重建方法
WO2022218441A1 (en) * 2021-04-16 2022-10-20 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for imaging
CN113112563B (zh) * 2021-04-21 2023-10-27 西北大学 一种优化区域知识先验的稀疏角cb-xlct成像方法
CN113885087B (zh) * 2021-09-29 2024-05-24 北京航星机器制造有限公司 一种安检ct的图像重建方法
CN116183639B (zh) * 2021-11-26 2026-02-13 同方威视技术股份有限公司 面阵探测器、探测方法及相应的集装箱/车辆检查系统
CN114199907B (zh) * 2021-12-06 2024-02-09 清华大学 多分辨率ct成像系统及方法
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
CN115684215A (zh) * 2022-09-28 2023-02-03 西安交通大学 一种基于c型臂升降机构的x射线安检设备及工作方法
CN118986381B (zh) * 2024-08-05 2025-09-19 东南大学 一种基于aigc条件生成的顺序扫描dect心脏成像方法

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Also Published As

Publication number Publication date
ES2687298T3 (es) 2018-10-24
GB2517829A (en) 2015-03-04
WO2014198237A1 (zh) 2014-12-18
EP2862516B1 (en) 2018-08-01
EP2862516A1 (en) 2015-04-22
US20140369458A1 (en) 2014-12-18
HK1204125A1 (en) 2015-11-06
GB2517829B (en) 2016-12-21
WO2014198239A1 (zh) 2014-12-18
US9702832B2 (en) 2017-07-11
GB201410528D0 (en) 2014-07-30
CN104240270A (zh) 2014-12-24
CN104240270B (zh) 2017-12-05

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