FR2786589B1 - Procede de determination automatique du contraste et de la brillance d'une image radiographique numerique - Google Patents

Procede de determination automatique du contraste et de la brillance d'une image radiographique numerique

Info

Publication number
FR2786589B1
FR2786589B1 FR9814996A FR9814996A FR2786589B1 FR 2786589 B1 FR2786589 B1 FR 2786589B1 FR 9814996 A FR9814996 A FR 9814996A FR 9814996 A FR9814996 A FR 9814996A FR 2786589 B1 FR2786589 B1 FR 2786589B1
Authority
FR
France
Prior art keywords
brightness
contrast
radiographic image
automatically determining
digital radiographic
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
FR9814996A
Other languages
English (en)
Other versions
FR2786589A1 (fr
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 SCS
Original Assignee
GE Medical Systems SCS
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 SCS filed Critical GE Medical Systems SCS
Priority to FR9814996A priority Critical patent/FR2786589B1/fr
Priority to EP99309468A priority patent/EP1004984A1/fr
Priority to US09/450,489 priority patent/US6718056B1/en
Priority to JP11337337A priority patent/JP2000209502A/ja
Publication of FR2786589A1 publication Critical patent/FR2786589A1/fr
Application granted granted Critical
Publication of FR2786589B1 publication Critical patent/FR2786589B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration by the use of histogram techniques
    • G06T5/92—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • H04N1/4074—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
    • G06T2207/30068—Mammography; Breast
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
FR9814996A 1998-11-27 1998-11-27 Procede de determination automatique du contraste et de la brillance d'une image radiographique numerique Expired - Fee Related FR2786589B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9814996A FR2786589B1 (fr) 1998-11-27 1998-11-27 Procede de determination automatique du contraste et de la brillance d'une image radiographique numerique
EP99309468A EP1004984A1 (fr) 1998-11-27 1999-11-26 Procédé de détérmination automatique du contraste et de la brilliance d'une image radiographique numerique
US09/450,489 US6718056B1 (en) 1998-11-27 1999-11-29 Method of automatic determination of the contrast and brightness of a digital radiographic image
JP11337337A JP2000209502A (ja) 1998-11-27 1999-11-29 デジタル放射線画像のコントラストと明るさを自動的に決定する方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9814996A FR2786589B1 (fr) 1998-11-27 1998-11-27 Procede de determination automatique du contraste et de la brillance d'une image radiographique numerique

Publications (2)

Publication Number Publication Date
FR2786589A1 FR2786589A1 (fr) 2000-06-02
FR2786589B1 true FR2786589B1 (fr) 2001-04-27

Family

ID=9533300

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9814996A Expired - Fee Related FR2786589B1 (fr) 1998-11-27 1998-11-27 Procede de determination automatique du contraste et de la brillance d'une image radiographique numerique

Country Status (4)

Country Link
US (1) US6718056B1 (fr)
EP (1) EP1004984A1 (fr)
JP (1) JP2000209502A (fr)
FR (1) FR2786589B1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6094152A (en) * 1998-12-23 2000-07-25 Siemens Medical Systems, Inc. Algorithm for A/D window control for electronic portal image acquisition in a radiotherapy system
FR2814666A1 (fr) 2000-07-07 2002-04-05 Ge Med Sys Global Tech Co Llc Procede et appareil d'examen d'un sein par injection d'un produit de contraste
US6983083B2 (en) * 2001-02-13 2006-01-03 Eastman Kodak Company Image specific perceived overall contrast prediction
US7162010B2 (en) * 2001-12-05 2007-01-09 Koninklijke Philips Electronics, N.V. Method to measure the entrance dose of a radiology apparatus
US7203348B1 (en) * 2002-01-18 2007-04-10 R2 Technology, Inc. Method and apparatus for correction of mammograms for non-uniform breast thickness
FR2823433B1 (fr) 2002-05-07 2004-10-01 Ge Med Sys Global Tech Co Llc Procede et appareil d'examen d'un sein par injection d'un produit de contraste
FR2847698B1 (fr) * 2002-11-27 2005-05-06 Ge Med Sys Global Tech Co Llc Procede de gestion de la dynamique d'une image radiologique numerique
FR2854974B1 (fr) * 2003-05-14 2005-07-08 Ge Med Sys Global Tech Co Llc Procede d'amelioration de contraste/luminosite d'images radiographiques
JP2005117590A (ja) * 2003-10-10 2005-04-28 Konica Minolta Medical & Graphic Inc 放射線画像撮影システムおよび放射線画像検出処理装置
FI115183B (fi) * 2003-10-15 2005-03-15 Instrumentarium Corp Menetelmä digitaalisten harmaasävykuvien näyttämiseksi halutussa tummuusasteessa näyttölaitteen ruudulla ja näyttölaite
US20050111756A1 (en) * 2003-11-25 2005-05-26 Turner Robert W. System and method for generating coherent data sets of images from various sources
US7809188B1 (en) * 2006-05-11 2010-10-05 Texas Instruments Incorporated Digital camera and method
CN100502465C (zh) * 2006-10-19 2009-06-17 四川长虹电器股份有限公司 图像灰度直方图均衡化处理方法
US7490988B1 (en) 2008-03-19 2009-02-17 General Electric Company Systems and methods for patient specific pixel spacing calibration for mammography X-ray
US8693743B1 (en) 2010-02-19 2014-04-08 Olive Tree Media, LLC Analysis and display of multiple biomarker co-expression in cells and tissues
JP6105903B2 (ja) * 2012-11-09 2017-03-29 キヤノン株式会社 画像処理装置、画像処理方法、放射線撮影システム及びプログラム
KR102154734B1 (ko) * 2013-06-10 2020-09-10 삼성전자주식회사 의료 영상 촬영 방법 및 장치, 및 개인화된 파라미터 값의 생성 방법
CN109300108B (zh) * 2018-07-27 2021-06-18 昆明理工大学 一种基于统计和多高斯的日面亮度分析方法
CN110916693B (zh) * 2019-11-01 2024-03-26 东软医疗系统股份有限公司 成像方法、装置、探测器及x射线摄像系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3214725A1 (de) * 1982-04-21 1983-10-27 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und anordnung zum zuordnen der grauwerte eines bildes zu anderen grauwerten
JPH0671300B2 (ja) * 1987-03-20 1994-09-07 富士写真フイルム株式会社 放射線画像情報の読取処理条件決定装置
EP0374328B1 (fr) * 1988-12-23 1994-03-23 Shimadzu Corporation Equipement pour la photographie par rayons x
JP3408848B2 (ja) * 1993-11-02 2003-05-19 株式会社日立メディコ 散乱ｘ線補正法及びｘ線ｃｔ装置並びに多チャンネルｘ線検出器
FR2712415B1 (fr) * 1993-11-09 1995-12-22 Ge Medical Syst Sa Procédé de repérage automatique de points d'intérêt lors d'un examen de stéréotaxie en mammographie.
JP3597918B2 (ja) * 1995-09-11 2004-12-08 株式会社日立メディコ Ｘ線ｃｔ装置
US5696805A (en) * 1996-09-17 1997-12-09 Eastman Kodak Company Apparatus and method for identifying specific bone regions in digital X-ray images
AU6660098A (en) * 1997-02-21 1998-09-09 Direct Radiography Corporation Image data processing for digital x-ray detectors

Also Published As

Publication number Publication date
FR2786589A1 (fr) 2000-06-02
JP2000209502A (ja) 2000-07-28
EP1004984A1 (fr) 2000-05-31
US6718056B1 (en) 2004-04-06

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Legal Events

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ST Notification of lapse

Effective date: 20100730