FR2293011B1 - - Google Patents

Info

Publication number
FR2293011B1
FR2293011B1 FR7431174A FR7431174A FR2293011B1 FR 2293011 B1 FR2293011 B1 FR 2293011B1 FR 7431174 A FR7431174 A FR 7431174A FR 7431174 A FR7431174 A FR 7431174A FR 2293011 B1 FR2293011 B1 FR 2293011B1
Authority
FR
France
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
Application number
FR7431174A
Other languages
French (fr)
Other versions
FR2293011A1 (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.)
Gouvernement de la Republique Francaise
Original Assignee
Gouvernement de la Republique Francaise
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 Gouvernement de la Republique Francaise filed Critical Gouvernement de la Republique Francaise
Priority to FR7431174A priority Critical patent/FR2293011A1/fr
Publication of FR2293011A1 publication Critical patent/FR2293011A1/fr
Application granted granted Critical
Publication of FR2293011B1 publication Critical patent/FR2293011B1/fr
Granted 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
    • G06T5/20—Image enhancement or restoration using local operators
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)
FR7431174A 1974-09-16 1974-09-16 Perfectionnements aux procedes et dispositifs de normalisation d'images numeriques Granted FR2293011A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7431174A FR2293011A1 (fr) 1974-09-16 1974-09-16 Perfectionnements aux procedes et dispositifs de normalisation d'images numeriques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7431174A FR2293011A1 (fr) 1974-09-16 1974-09-16 Perfectionnements aux procedes et dispositifs de normalisation d'images numeriques

Publications (2)

Publication Number Publication Date
FR2293011A1 FR2293011A1 (fr) 1976-06-25
FR2293011B1 true FR2293011B1 (cg-RX-API-DMAC10.html) 1977-11-04

Family

ID=9143102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7431174A Granted FR2293011A1 (fr) 1974-09-16 1974-09-16 Perfectionnements aux procedes et dispositifs de normalisation d'images numeriques

Country Status (1)

Country Link
FR (1) FR2293011A1 (cg-RX-API-DMAC10.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2046051B (en) * 1979-03-29 1983-01-26 Philips Electronic Associated Real time histogram modification system for image processing
JPS62296270A (ja) * 1986-06-16 1987-12-23 Toshiba Corp 画像処理装置
JP2709356B2 (ja) * 1988-05-16 1998-02-04 株式会社鷹山 画像処理方法
US5063607A (en) * 1988-10-24 1991-11-05 Hughes Aircraft Company Image contrast enhancement technique
CA2008819A1 (en) * 1989-02-14 1990-08-14 Dimitris Manolakis Regionally adaptive imaging techniques
FR2647918B1 (fr) * 1989-06-01 1991-09-06 France Etat Armement Procede de traitement d'image par analyse du contraste d'echelle
EP0639818B1 (en) * 1993-08-16 1997-01-22 Agfa-Gevaert N.V. Method and apparatus for monitoring the sensitivity of a system for reading a radiation image stored in a photostimulable phosphor screen
JPH09261505A (ja) * 1996-01-18 1997-10-03 Konica Corp 色補正条件算出方法、焼付露光量決定方法、画像処理方法、画像処理装置、画像形成装置、焼付露光装置及び記憶媒体
US5822453A (en) * 1996-12-10 1998-10-13 Eastman Kodak Company Method for estimating and adjusting digital image contrast
KR20210101903A (ko) * 2020-02-11 2021-08-19 삼성전자주식회사 전자 장치 및 그 제어 방법

Also Published As

Publication number Publication date
FR2293011A1 (fr) 1976-06-25

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Legal Events

Date Code Title Description
ST Notification of lapse