CN104350738B - 用于在x射线曝光期间评估x射线射束不均匀性的源的存在的方法 - Google Patents

用于在x射线曝光期间评估x射线射束不均匀性的源的存在的方法 Download PDF

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Publication number
CN104350738B
CN104350738B CN201380030642.XA CN201380030642A CN104350738B CN 104350738 B CN104350738 B CN 104350738B CN 201380030642 A CN201380030642 A CN 201380030642A CN 104350738 B CN104350738 B CN 104350738B
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image
shoulder
value
ray
interest
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Expired - Fee Related
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Chinese (zh)
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CN104350738A (zh
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M.克雷森斯
H.范高伯根
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Agfa Co ltd
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Agfa HealthCare NV
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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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • 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
    • 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
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments
    • G01T7/005—Details of radiation-measuring instruments calibration techniques
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/77—Retouching; Inpainting; Scratch removal
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0012—Biomedical image inspection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/30—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from X-rays
    • 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
    • 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
    • G06T2207/10116—X-ray image
    • 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
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30168—Image quality inspection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Quality & Reliability (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Veterinary Medicine (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pulmonology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
CN201380030642.XA 2012-06-11 2013-06-05 用于在x射线曝光期间评估x射线射束不均匀性的源的存在的方法 Expired - Fee Related CN104350738B (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP12171474.5 2012-06-11
EP12171474.5A EP2675151A1 (en) 2012-06-11 2012-06-11 A method to evaluate the presence of a source of x-ray beam inhomogeneity during x-ray exposure.
US201261658432P 2012-06-12 2012-06-12
US61/658,432 2012-06-12
US61/658432 2012-06-12
PCT/EP2013/061591 WO2013186099A1 (en) 2012-06-11 2013-06-05 A method to evaluate the presence of a source of x-ray beam inhomogeneity during x-ray exposure

Publications (2)

Publication Number Publication Date
CN104350738A CN104350738A (zh) 2015-02-11
CN104350738B true CN104350738B (zh) 2018-04-20

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CN201380030642.XA Expired - Fee Related CN104350738B (zh) 2012-06-11 2013-06-05 用于在x射线曝光期间评估x射线射束不均匀性的源的存在的方法

Country Status (6)

Country Link
US (1) US9741102B2 (https=)
EP (1) EP2675151A1 (https=)
CN (1) CN104350738B (https=)
BR (1) BR112014030423A2 (https=)
IN (1) IN2014DN09699A (https=)
WO (1) WO2013186099A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190243013A1 (en) * 2017-11-09 2019-08-08 Oceaneering International, Inc. Estimation of material loss from 2D digital radiographs using Double Wall Single Imaging (DWSI) Technique
JP7508334B2 (ja) 2020-10-21 2024-07-01 キヤノンメディカルシステムズ株式会社 医用画像処理装置、ｘ線診断装置及び医用画像処理方法
JP2022114846A (ja) * 2021-01-27 2022-08-08 キヤノン株式会社 放射線撮像システム、制御装置、および、放射線撮像システムの制御方法
CN116828289B (zh) * 2022-12-12 2026-04-21 地太科特影像科技(上海)有限公司 防止平板探测器误触发上图的检测方法、设备及存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079698A (en) * 1989-05-03 1992-01-07 Advanced Light Imaging Technologies Ltd. Transillumination method apparatus for the diagnosis of breast tumors and other breast lesions by normalization of an electronic image of the breast
US5151596A (en) * 1990-03-28 1992-09-29 Fuji Photo Film Co., Ltd. Method and apparatus for detecting the location of a pattern in a radiation image stored on a stimulable phosphor sheet
US5359513A (en) * 1992-11-25 1994-10-25 Arch Development Corporation Method and system for detection of interval change in temporally sequential chest images
JP2000070261A (ja) * 1998-08-31 2000-03-07 Canon Inc キャリブレーション成否判定装置、方法及びコンピュータ読み取り可能な記憶媒体
CN1593346A (zh) * 2004-07-16 2005-03-16 中国人民解放军第三军医大学野战外科研究所 数字异物定位仪

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1115120A3 (en) 2000-01-07 2003-09-10 Lucent Technologies Inc. Method and apparatus for temperature compensation of read-only memory
JP4731698B2 (ja) * 2000-04-06 2011-07-27 キヤノン株式会社 画像処理装置、撮影装置、画像処理システム、画像処理方法、及び記憶媒体
US7317842B2 (en) * 2003-10-30 2008-01-08 Samsung Electronics Co., Ltd. Global and local statistics controlled noise reduction system
DE102005017491B4 (de) * 2005-04-15 2007-03-15 Siemens Ag Verfahren zum Erzeugen eines gainkorrigierten Röntgenbildes
US7639849B2 (en) * 2005-05-17 2009-12-29 Barco N.V. Methods, apparatus, and devices for noise reduction
WO2007043974A1 (en) * 2005-10-13 2007-04-19 Agency For Science, Technology & Research Computed tomography system and method
EP2050395A1 (en) * 2007-10-18 2009-04-22 Paracelsus Medizinische Privatuniversität Methods for improving image quality of image detectors, and systems therefor
JP5341463B2 (ja) 2008-10-17 2013-11-13 キヤノン株式会社 制御装置、及び制御方法
GB2464354B (en) 2009-03-13 2011-06-08 4Energy Ltd Equipment enclosure
US8519348B2 (en) * 2009-09-08 2013-08-27 Carestream Health, Inc. Image quality monitor for digital radiography system
EP2477153B1 (en) 2011-01-18 2013-11-13 Agfa Healthcare Method of removing the spatial response signature of a detector from a computed radiography image
US8894280B2 (en) * 2011-12-31 2014-11-25 Carestream Health, Inc. Calibration and correction procedures for digital radiography detectors supporting multiple capture modes, methods and systems for same
US9195899B2 (en) * 2012-01-13 2015-11-24 Carestream Health, Inc. Self correcting portable digital radiography detector, methods and systems for same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079698A (en) * 1989-05-03 1992-01-07 Advanced Light Imaging Technologies Ltd. Transillumination method apparatus for the diagnosis of breast tumors and other breast lesions by normalization of an electronic image of the breast
US5151596A (en) * 1990-03-28 1992-09-29 Fuji Photo Film Co., Ltd. Method and apparatus for detecting the location of a pattern in a radiation image stored on a stimulable phosphor sheet
US5359513A (en) * 1992-11-25 1994-10-25 Arch Development Corporation Method and system for detection of interval change in temporally sequential chest images
JP2000070261A (ja) * 1998-08-31 2000-03-07 Canon Inc キャリブレーション成否判定装置、方法及びコンピュータ読み取り可能な記憶媒体
CN1593346A (zh) * 2004-07-16 2005-03-16 中国人民解放军第三军医大学野战外科研究所 数字异物定位仪

Also Published As

Publication number Publication date
IN2014DN09699A (https=) 2015-07-31
US20150146959A1 (en) 2015-05-28
WO2013186099A1 (en) 2013-12-19
CN104350738A (zh) 2015-02-11
US9741102B2 (en) 2017-08-22
BR112014030423A2 (pt) 2017-06-27
EP2675151A1 (en) 2013-12-18

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