CN115715169A - 用于dax成像中的缺陷补偿的步进策略 - Google Patents

用于dax成像中的缺陷补偿的步进策略 Download PDF

Info

Publication number
CN115715169A
CN115715169A CN202180041302.1A CN202180041302A CN115715169A CN 115715169 A CN115715169 A CN 115715169A CN 202180041302 A CN202180041302 A CN 202180041302A CN 115715169 A CN115715169 A CN 115715169A
Authority
CN
China
Prior art keywords
phase
imaging
grating
ifd
phase stepping
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202180041302.1A
Other languages
English (en)
Chinese (zh)
Inventor
T·普拉洛
T·克勒
S·L·勒舍尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN115715169A publication Critical patent/CN115715169A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/586—Detection of faults or malfunction of the device
    • 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
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • 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
    • A61B6/484—Diagnostic techniques involving phase contrast X-ray imaging
    • 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
    • G01N23/041—Phase-contrast imaging, e.g. using grating interferometers
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • G21K1/043—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers changing time structure of beams by mechanical means, e.g. choppers, spinning filter wheels
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/06—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diffraction, refraction or reflection, e.g. monochromators
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K2201/00—Arrangements for handling radiation or particles
    • G21K2201/06—Arrangements for handling radiation or particles using diffractive, refractive or reflecting elements
    • G21K2201/067—Construction details
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K2207/00—Particular details of imaging devices or methods using ionizing electromagnetic radiation such as X-rays or gamma rays
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K2207/00—Particular details of imaging devices or methods using ionizing electromagnetic radiation such as X-rays or gamma rays
    • G21K2207/005—Methods and devices obtaining contrast from non-absorbing interaction of the radiation with matter, e.g. phase contrast

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
CN202180041302.1A 2020-06-08 2021-06-02 用于dax成像中的缺陷补偿的步进策略 Pending CN115715169A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20178712.4A EP3922179A1 (en) 2020-06-08 2020-06-08 Stepping strategy for defect compensation in dax imaging
EP20178712.4 2020-06-08
PCT/EP2021/064725 WO2021249836A1 (en) 2020-06-08 2021-06-02 Stepping strategy for defect compensation in dax imaging

Publications (1)

Publication Number Publication Date
CN115715169A true CN115715169A (zh) 2023-02-24

Family

ID=71069753

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180041302.1A Pending CN115715169A (zh) 2020-06-08 2021-06-02 用于dax成像中的缺陷补偿的步进策略

Country Status (5)

Country Link
US (1) US20230221265A1 (https=)
EP (2) EP3922179A1 (https=)
JP (1) JP2023527572A (https=)
CN (1) CN115715169A (https=)
WO (1) WO2021249836A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117788396B (zh) * 2023-12-18 2024-08-30 江苏省特种设备安全监督检验研究院 一种基于深度学习的dr图像缺陷智能识别方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150092914A1 (en) * 2013-09-27 2015-04-02 Siemens Aktiengesellschaft Method for examining an object using an x-ray recording system for phase contrast imaging with stochastic phase scanning
CN104582575A (zh) * 2012-08-17 2015-04-29 皇家飞利浦有限公司 处置差分相衬成像中的未对准
CN108720857A (zh) * 2017-04-20 2018-11-02 株式会社岛津制作所 Ｘ射线相位差摄像系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102227A (ja) * 1982-12-03 1984-06-13 Fuji Photo Film Co Ltd 蓄積性螢光体シ−トを用いた高速撮影台
JPH10136665A (ja) * 1996-10-31 1998-05-22 Tdk Corp 圧電アクチュエータ
JP2006172604A (ja) * 2004-12-15 2006-06-29 Tdk Corp レンズ用アクチュエータ、光ヘッド及び光ディスク装置
JP5789613B2 (ja) * 2009-12-10 2015-10-07 コーニンクレッカ フィリップス エヌ ヴェ オンザフライ位相ステッピングを備えた非平行な格子装置、ｘ線システム及び使用方法
JP5725870B2 (ja) * 2010-02-22 2015-05-27 キヤノン株式会社 Ｘ線撮像装置およびｘ線撮像方法
JP2013106882A (ja) * 2011-11-24 2013-06-06 Fujifilm Corp 放射線撮影装置及び放射線撮影方法
JP2013116270A (ja) * 2011-12-05 2013-06-13 Canon Inc Ｘ線撮像装置
JP6191136B2 (ja) * 2013-01-10 2017-09-06 コニカミノルタ株式会社 画像生成方法
JP6402780B2 (ja) * 2014-12-22 2018-10-10 株式会社島津製作所 放射線位相差撮影装置
US10945690B2 (en) * 2015-06-30 2021-03-16 Koninklijke Philips N.V. Scanning X-ray apparatus with full-field detector
DE102016211761A1 (de) * 2016-06-29 2018-01-04 Siemens Healthcare Gmbh Gitterträger zur Nutzung im Rahmen einer interferometrischen Röntgenbildgebung
DE102016219055A1 (de) * 2016-09-30 2018-04-05 Carl Zeiss Microscopy Gmbh Stellantrieb zur Justage eines zu bewegenden Elements, Verwendungen und Verfahren zur Justage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104582575A (zh) * 2012-08-17 2015-04-29 皇家飞利浦有限公司 处置差分相衬成像中的未对准
US20150092914A1 (en) * 2013-09-27 2015-04-02 Siemens Aktiengesellschaft Method for examining an object using an x-ray recording system for phase contrast imaging with stochastic phase scanning
CN108720857A (zh) * 2017-04-20 2018-11-02 株式会社岛津制作所 Ｘ射线相位差摄像系统

Also Published As

Publication number Publication date
EP3922179A1 (en) 2021-12-15
US20230221265A1 (en) 2023-07-13
EP4161388A1 (en) 2023-04-12
WO2021249836A1 (en) 2021-12-16
JP2023527572A (ja) 2023-06-29

Similar Documents

Publication Publication Date Title
JP6430636B2 (ja) デュアルエネルギー微分位相コントラスト撮像
JP6448649B2 (ja) 収集及び再構築技術を含む離調構成に基づく大視野位相差撮影法
RU2545319C2 (ru) Формирование фазово-контрастных изображений
CN107847199B (zh) 具有全视场探测器的扫描x射线装置
CN108289649B (zh) 用于对对象进行x射线成像的装置
CN111107787A (zh) X射线成像参考扫描
WO2011122715A1 (en) Radiation detection device, radiographic apparatus and radiographic system
EP2509487A1 (en) Calibration of differential phase-contrast imaging systems
US10660595B2 (en) Apparatus for x-ray imaging an object
JP2016540587A (ja) 走査微分位相コントラストシステムのための位相回復
JP6058860B2 (ja) Ｘ線撮像装置及びｘ線撮像方法
CN104837409A (zh) 具有可移动光栅的微分相位衬度成像装置
Thüring et al. Compact hard X-ray grating interferometry for table top phase contrast micro CT
CN115715169A (zh) 用于dax成像中的缺陷补偿的步进策略
CN113453623B (zh) 用于dax成像的全视场散射估计
EP3889885A1 (en) Bias correction for dark-field imaging based on sliding window phase retrieval
CN111615360A (zh) 单次射击x射线相衬和暗场成像
US20220218296A1 (en) Application for x-ray dark-field and/or x-ray phase contrast imaging using stepping and moiré imaging
JP2014147418A (ja) 画像生成装置および放射線断層撮影装置並びにプログラム
Anton talbot-Lau x-ray phase-contrast setup for fast scanning of large samples

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination