FR2849574B1 - Procede et dispositif pour reduire des artefacts a sensibilite spectrale - Google Patents

Procede et dispositif pour reduire des artefacts a sensibilite spectrale

Info

Publication number
FR2849574B1
FR2849574B1 FR0314179A FR0314179A FR2849574B1 FR 2849574 B1 FR2849574 B1 FR 2849574B1 FR 0314179 A FR0314179 A FR 0314179A FR 0314179 A FR0314179 A FR 0314179A FR 2849574 B1 FR2849574 B1 FR 2849574B1
Authority
FR
France
Prior art keywords
technique
detector
artifacts
columns
rows
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.)
Expired - Fee Related
Application number
FR0314179A
Other languages
English (en)
French (fr)
Other versions
FR2849574A1 (fr
Inventor
Paritosh Jayant Dhawale
Douglas Albagli
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2849574A1 publication Critical patent/FR2849574A1/fr
Application granted granted Critical
Publication of FR2849574B1 publication Critical patent/FR2849574B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61B6/583—Calibration using calibration phantoms
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/585—Calibration of detector units
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • 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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/502—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of breast, i.e. mammography
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
FR0314179A 2002-12-18 2003-12-03 Procede et dispositif pour reduire des artefacts a sensibilite spectrale Expired - Fee Related FR2849574B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/323,801 US6879660B2 (en) 2002-12-18 2002-12-18 Method and apparatus for reducing spectrally-sensitive artifacts

Publications (2)

Publication Number Publication Date
FR2849574A1 FR2849574A1 (fr) 2004-07-02
FR2849574B1 true FR2849574B1 (fr) 2007-09-21

Family

ID=32507320

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0314179A Expired - Fee Related FR2849574B1 (fr) 2002-12-18 2003-12-03 Procede et dispositif pour reduire des artefacts a sensibilite spectrale

Country Status (4)

Country Link
US (1) US6879660B2 (cg-RX-API-DMAC7.html)
JP (1) JP3982820B2 (cg-RX-API-DMAC7.html)
DE (1) DE10358835A1 (cg-RX-API-DMAC7.html)
FR (1) FR2849574B1 (cg-RX-API-DMAC7.html)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7558412B2 (en) * 2004-02-06 2009-07-07 General Electric Company System and method for compensation of scintillator hysteresis in x-ray detectors
US7822173B2 (en) * 2006-01-16 2010-10-26 Koninklijke Philips Electronics N.V. Smart radiation detector module
CN101460098B (zh) * 2006-06-02 2011-04-06 皇家飞利浦电子股份有限公司 X射线成像装置和用于校准x射线成像装置的设备和方法
US7949174B2 (en) * 2006-10-19 2011-05-24 General Electric Company System and method for calibrating an X-ray detector
US7991106B2 (en) 2008-08-29 2011-08-02 Hologic, Inc. Multi-mode tomosynthesis/mammography gain calibration and image correction using gain map information from selected projection angles
DE102014216073A1 (de) * 2014-08-13 2016-02-18 Siemens Aktiengesellschaft Elektronische Korrektur von digitalen Projektionsdaten
CN106923851A (zh) * 2015-12-29 2017-07-07 通用电气公司 X射线检测设备以及x射线探测器的校准装置及方法
CN108056785B (zh) * 2017-12-04 2021-05-07 上海奕瑞光电子科技股份有限公司 一种平板探测器增益校正模板的更新方法
CN114324421B (zh) * 2021-12-06 2023-06-27 武汉联影生命科学仪器有限公司 数据校正方法、装置、计算机设备和存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3848130A (en) * 1973-06-25 1974-11-12 A Macovski Selective material x-ray imaging system
US4789930A (en) * 1985-11-15 1988-12-06 Picker International, Inc. Energy dependent gain correction for radiation detection
US5677536A (en) * 1996-06-19 1997-10-14 Smv America Gamma camera with on the fly calibration for PMT drift
US6850597B2 (en) * 1998-09-11 2005-02-01 Canon Kabushiki Kaisha X-ray image photographing apparatus and grid device
US6393098B1 (en) 1999-08-31 2002-05-21 General Electric Company Amplifier offset and gain correction system for X-ray imaging panel
US6266391B1 (en) 1999-08-31 2001-07-24 General Electric Company Artifact compensation system for matrix-addressed x-ray imaging panel
US6414315B1 (en) 1999-10-04 2002-07-02 General Electric Company Radiation imaging with continuous polymer layer for scintillator
US6314160B1 (en) 1999-12-17 2001-11-06 General Electric Company Method and apparatus for performing fluoroscopic noise reduction

Also Published As

Publication number Publication date
JP2004195233A (ja) 2004-07-15
US6879660B2 (en) 2005-04-12
DE10358835A1 (de) 2004-08-19
FR2849574A1 (fr) 2004-07-02
US20040120468A1 (en) 2004-06-24
JP3982820B2 (ja) 2007-09-26

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Legal Events

Date Code Title Description
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Effective date: 20090831