FR2851359B1 - Procede et dispositif de calibration et de correction de niveaux de gris - Google Patents

Procede et dispositif de calibration et de correction de niveaux de gris

Info

Publication number
FR2851359B1
FR2851359B1 FR0301797A FR0301797A FR2851359B1 FR 2851359 B1 FR2851359 B1 FR 2851359B1 FR 0301797 A FR0301797 A FR 0301797A FR 0301797 A FR0301797 A FR 0301797A FR 2851359 B1 FR2851359 B1 FR 2851359B1
Authority
FR
France
Prior art keywords
calibrating
gray levels
correcting gray
correcting
levels
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
FR0301797A
Other languages
English (en)
French (fr)
Other versions
FR2851359A1 (fr
Inventor
Fanny Jeunehomme
Serge Muller
Razvan Iordache
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.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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 GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Priority to FR0301797A priority Critical patent/FR2851359B1/fr
Priority to US10/775,912 priority patent/US20050031180A1/en
Priority to DE102004006853A priority patent/DE102004006853A1/de
Priority to JP2004036253A priority patent/JP4436695B2/ja
Publication of FR2851359A1 publication Critical patent/FR2851359A1/fr
Application granted granted Critical
Publication of FR2851359B1 publication Critical patent/FR2851359B1/fr
Priority to US12/115,596 priority patent/US7548640B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Signal Processing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Multimedia (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Image Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
FR0301797A 2003-02-14 2003-02-14 Procede et dispositif de calibration et de correction de niveaux de gris Expired - Fee Related FR2851359B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0301797A FR2851359B1 (fr) 2003-02-14 2003-02-14 Procede et dispositif de calibration et de correction de niveaux de gris
US10/775,912 US20050031180A1 (en) 2003-02-14 2004-02-10 Method and apparatus for calibration and correction of gray levels in images
DE102004006853A DE102004006853A1 (de) 2003-02-14 2004-02-12 Verfahren und Gerät zum Kalibrieren und Korrigieren von Graustufen auf Bildern
JP2004036253A JP4436695B2 (ja) 2003-02-14 2004-02-13 画像のグレー・レベルを較正し補正する方法及び装置
US12/115,596 US7548640B2 (en) 2003-02-14 2008-05-06 Method and apparatus for calibration and correction of gray levels in images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0301797A FR2851359B1 (fr) 2003-02-14 2003-02-14 Procede et dispositif de calibration et de correction de niveaux de gris

Publications (2)

Publication Number Publication Date
FR2851359A1 FR2851359A1 (fr) 2004-08-20
FR2851359B1 true FR2851359B1 (fr) 2005-05-06

Family

ID=32749572

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0301797A Expired - Fee Related FR2851359B1 (fr) 2003-02-14 2003-02-14 Procede et dispositif de calibration et de correction de niveaux de gris

Country Status (4)

Country Link
US (2) US20050031180A1 (https=)
JP (1) JP4436695B2 (https=)
DE (1) DE102004006853A1 (https=)
FR (1) FR2851359B1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050160175A1 (en) * 2004-01-21 2005-07-21 D-Link Corporation Communication system employing HTTP as transfer protocol and employing XML documents to automatically configure VoIP device
DE102009015116B4 (de) * 2009-03-31 2016-03-03 Tomtec Imaging Systems Gmbh Verfahren und Vorrichtung zur Registrierung von Bilddatensätzen und zur Reduktion von lagebedingten Grauwertschwankungen nebst zugehörigen Gegenständen
JP5517484B2 (ja) * 2009-05-01 2014-06-11 キヤノン株式会社 撮像装置及び撮像システム、それらの制御方法及びそのプログラム
US9449403B2 (en) * 2011-10-19 2016-09-20 Siemens Aktiengesellschaft Out of plane artifact reduction in digital breast tomosynthesis and CT
EP2737852B1 (de) * 2012-11-30 2015-08-19 GE Sensing & Inspection Technologies GmbH Verfahren zum Erfassen geometrischer Abbildungseigenschaften eines Flachbilddetektors, entsprechend eingerichtete Röntgenprüfanlage und Kalibrierkörper
EP3016591B1 (en) * 2013-07-03 2020-09-02 General Electric Company Contrast agent reference insert
KR101938183B1 (ko) 2017-09-12 2019-01-15 동서대학교산학협력단 이동하는 대상체에 대한 방사선 영상의 화질 개선 방법 및 그 프로그램

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2622714B1 (fr) * 1987-10-29 1993-01-08 Goumot Pierre Alain Procede d'analyse de mammographie
DE3842525A1 (de) * 1988-12-17 1990-06-21 Philips Patentverwaltung Verfahren zur erzeugung einer roentgenaufnahme mittels eines photoleiters und anordnung zur durchfuehrung des verfahrens
US5359638A (en) * 1992-03-30 1994-10-25 General Electric Company Method for recursive filtering residual afterglow from previous computed tomography scans
US5452338A (en) * 1994-07-07 1995-09-19 General Electric Company Method and system for real time offset correction in a large area solid state x-ray detector
DE19631624C1 (de) * 1996-08-05 1997-10-23 Siemens Ag Röntgendiagnostikeinrichtung
US6201850B1 (en) * 1999-01-26 2001-03-13 Agilent Technologies, Inc. Enhanced thickness calibration and shading correction for automatic X-ray inspection
US6694047B1 (en) * 1999-07-15 2004-02-17 General Electric Company Method and apparatus for automated image quality evaluation of X-ray systems using any of multiple phantoms
US7027650B2 (en) * 1999-12-10 2006-04-11 Christian Williame Dynamic computing imagery, especially for visceral osteopathy and for articular kinetics

Also Published As

Publication number Publication date
FR2851359A1 (fr) 2004-08-20
DE102004006853A1 (de) 2004-08-26
US20050031180A1 (en) 2005-02-10
US20080205738A1 (en) 2008-08-28
US7548640B2 (en) 2009-06-16
JP2004248297A (ja) 2004-09-02
JP4436695B2 (ja) 2010-03-24

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 13

ST Notification of lapse

Effective date: 20161028