FR2854974B1 - Procede d'amelioration de contraste/luminosite d'images radiographiques - Google Patents

Procede d'amelioration de contraste/luminosite d'images radiographiques

Info

Publication number
FR2854974B1
FR2854974B1 FR0305773A FR0305773A FR2854974B1 FR 2854974 B1 FR2854974 B1 FR 2854974B1 FR 0305773 A FR0305773 A FR 0305773A FR 0305773 A FR0305773 A FR 0305773A FR 2854974 B1 FR2854974 B1 FR 2854974B1
Authority
FR
France
Prior art keywords
brightness
radiographic images
enhancing contrast
enhancing
contrast
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
FR0305773A
Other languages
English (en)
Other versions
FR2854974A1 (fr
Inventor
Jean Lienard
Francois Serge Nicolas
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 FR0305773A priority Critical patent/FR2854974B1/fr
Priority to DE102004020727A priority patent/DE102004020727A1/de
Priority to US10/839,849 priority patent/US20040228511A1/en
Priority to JP2004143084A priority patent/JP2005012771A/ja
Publication of FR2854974A1 publication Critical patent/FR2854974A1/fr
Application granted granted Critical
Publication of FR2854974B1 publication Critical patent/FR2854974B1/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
    • A61B6/48—Diagnostic techniques
    • A61B6/481—Diagnostic techniques involving the use of contrast agents
    • 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
    • A61B6/504—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 blood vessels, e.g. by angiography
    • 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 using histogram techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/32—Transforming X-rays
    • H04N5/3205—Transforming X-rays using subtraction imaging techniques
    • 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
    • G06T2207/30101—Blood vessel; Artery; Vein; Vascular

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Dentistry (AREA)
  • Vascular Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Radiography Using Non-Light Waves (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
FR0305773A 2003-05-14 2003-05-14 Procede d'amelioration de contraste/luminosite d'images radiographiques Expired - Fee Related FR2854974B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0305773A FR2854974B1 (fr) 2003-05-14 2003-05-14 Procede d'amelioration de contraste/luminosite d'images radiographiques
DE102004020727A DE102004020727A1 (de) 2003-05-14 2004-04-28 Verfahren und Vorrichtung zur Einstellung des Kontrastes und der Helligkeit von radiologischen Bildern
US10/839,849 US20040228511A1 (en) 2003-05-14 2004-05-06 Method and apparatus for setting the contrast and brightness of radiographic images
JP2004143084A JP2005012771A (ja) 2003-05-14 2004-05-13 放射線撮像画像のコントラスト及び輝度を設定するための方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0305773A FR2854974B1 (fr) 2003-05-14 2003-05-14 Procede d'amelioration de contraste/luminosite d'images radiographiques

Publications (2)

Publication Number Publication Date
FR2854974A1 FR2854974A1 (fr) 2004-11-19
FR2854974B1 true FR2854974B1 (fr) 2005-07-08

Family

ID=33306340

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0305773A Expired - Fee Related FR2854974B1 (fr) 2003-05-14 2003-05-14 Procede d'amelioration de contraste/luminosite d'images radiographiques

Country Status (4)

Country Link
US (1) US20040228511A1 (fr)
JP (1) JP2005012771A (fr)
DE (1) DE102004020727A1 (fr)
FR (1) FR2854974B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2884340B1 (fr) * 2005-04-11 2012-03-02 Gen Electric Procede et dispositif de traitement d'images en angiographie soustraite
FR2885717B1 (fr) * 2005-05-16 2007-08-03 Gen Electric Procede d'estimation de correction d'une image et dispositif d'angiographie le mettant en oeuvre
CN100410969C (zh) * 2006-07-26 2008-08-13 深圳市蓝韵实业有限公司 一种医疗放射图像的细节增强方法
CN101923653B (zh) * 2010-08-17 2013-03-06 北京大学 一种基于多层次内容描述的图像分类方法
JP6016403B2 (ja) * 2012-03-27 2016-10-26 キヤノン株式会社 画像処理装置、画像処理方法
JP6598433B2 (ja) 2014-06-26 2019-10-30 キヤノンメディカルシステムズ株式会社 Ｘ線診断装置
WO2016112516A1 (fr) * 2015-01-15 2016-07-21 深圳市三木通信技术有限公司 Procédé et système de balayage infrarouge pour terminal mobile intelligent
CN104541286A (zh) * 2015-01-15 2015-04-22 深圳市三木通信技术有限公司 智能移动终端的红外扫描算法
CN108537770B (zh) * 2018-01-11 2021-08-03 中国人民解放军战略支援部队航天工程大学 一种无定标卫星成像目标辐射特性反演方法及系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4816681A (en) * 1984-10-02 1989-03-28 Fuji Photo Film Co., Ltd. Method and apparatus for improving quality of energy subtraction image
FR2666426B1 (fr) * 1990-08-31 1994-08-19 Gen Electric Cgr Procede de correction des mesures de densite optique effectuees sur un film radiographique.
JP3248238B2 (ja) * 1992-04-30 2002-01-21 株式会社島津製作所 Ｘ線撮像装置
US5594807A (en) * 1994-12-22 1997-01-14 Siemens Medical Systems, Inc. System and method for adaptive filtering of images based on similarity between histograms
US5881166A (en) * 1996-11-21 1999-03-09 Xerox Corporation Method and system for generating a histogram of a scanned image
JPH1147123A (ja) * 1997-08-07 1999-02-23 Hitachi Medical Corp デジタルサブトラクションアンギオグラフィ装置
US6043900A (en) * 1998-03-31 2000-03-28 Xerox Corporation Method and system for automatically detecting a background type of a scanned document utilizing a leadedge histogram thereof
FR2786589B1 (fr) * 1998-11-27 2001-04-27 Ge Medical Syst Sa Procede de determination automatique du contraste et de la brillance d'une image radiographique numerique
US6993167B1 (en) * 1999-11-12 2006-01-31 Polartechnics Limited System and method for examining, recording and analyzing dermatological conditions
IT1320956B1 (it) * 2000-03-24 2003-12-18 Univ Bologna Metodo, e relativa apparecchiatura, per la rilevazione automatica dimicrocalcificazioni in segnali digitali di tessuto mammario.
JP4090671B2 (ja) * 2000-06-19 2008-05-28 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 画像処理方法、画像処理装置および画像撮影装置
FR2823345B1 (fr) * 2001-04-09 2003-08-22 Ge Med Sys Global Tech Co Llc Procede d'amelioration de la qualite d'une image radiographique tridimensionnelle d'un objet et dispositif radiographique correspondant

Also Published As

Publication number Publication date
US20040228511A1 (en) 2004-11-18
JP2005012771A (ja) 2005-01-13
DE102004020727A1 (de) 2004-12-02
FR2854974A1 (fr) 2004-11-19

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20150130