BR112014030423A2 - método para avaliar presença de fonte de feixes de raios x em homogeneidade durante exposição a raios x - Google Patents

método para avaliar presença de fonte de feixes de raios x em homogeneidade durante exposição a raios x

Info

Publication number
BR112014030423A2
BR112014030423A2 BR112014030423A BR112014030423A BR112014030423A2 BR 112014030423 A2 BR112014030423 A2 BR 112014030423A2 BR 112014030423 A BR112014030423 A BR 112014030423A BR 112014030423 A BR112014030423 A BR 112014030423A BR 112014030423 A2 BR112014030423 A2 BR 112014030423A2
Authority
BR
Brazil
Prior art keywords
ray
beam source
homogeneous
source during
ray beam
Prior art date
Application number
BR112014030423A
Other languages
English (en)
Portuguese (pt)
Inventor
Van Goubergen Herman
Cresens Marc
Original Assignee
Agfa Healthcare
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 Agfa Healthcare filed Critical Agfa Healthcare
Publication of BR112014030423A2 publication Critical patent/BR112014030423A2/pt

Links

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
    • A61B6/582—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

Landscapes

  • 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)
BR112014030423A 2012-06-11 2013-06-05 método para avaliar presença de fonte de feixes de raios x em homogeneidade durante exposição a raios x BR112014030423A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
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 (1)

Publication Number Publication Date
BR112014030423A2 true BR112014030423A2 (pt) 2017-06-27

Family

ID=46245917

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014030423A BR112014030423A2 (pt) 2012-06-11 2013-06-05 método para avaliar presença de fonte de feixes de raios x em homogeneidade durante exposição a raios x

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

Family Cites Families (18)

* 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
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
CN1307944C (zh) * 2004-07-16 2007-04-04 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
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

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
CN104350738B (zh) 2018-04-20
EP2675151A1 (en) 2013-12-18

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2465 DE 03-04-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.