JPS55151865A - Device for automatically controlling transfer function of video system - Google Patents

Device for automatically controlling transfer function of video system

Info

Publication number
JPS55151865A
JPS55151865A JP6083080A JP6083080A JPS55151865A JP S55151865 A JPS55151865 A JP S55151865A JP 6083080 A JP6083080 A JP 6083080A JP 6083080 A JP6083080 A JP 6083080A JP S55151865 A JPS55151865 A JP S55151865A
Authority
JP
Japan
Prior art keywords
transfer function
automatically controlling
video system
controlling transfer
video
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.)
Pending
Application number
JP6083080A
Other languages
English (en)
Inventor
Fuaburoo Mishieru
Bajiyon Jiyan
Katoon Mishieru
Soka Seruji
Ronge Moorisu
Deratore Kurisuchiyan
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of JPS55151865A publication Critical patent/JPS55151865A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP6083080A 1979-05-11 1980-05-09 Device for automatically controlling transfer function of video system Pending JPS55151865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7911991A FR2456448A1 (fr) 1979-05-11 1979-05-11 Dispositif de commande automatique de la fonction de transfert d'un systeme de transmission videofrequence en vue d'ameliorer la perception des images

Publications (1)

Publication Number Publication Date
JPS55151865A true JPS55151865A (en) 1980-11-26

Family

ID=9225345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6083080A Pending JPS55151865A (en) 1979-05-11 1980-05-09 Device for automatically controlling transfer function of video system

Country Status (6)

Country Link
US (1) US4337514A (ja)
EP (1) EP0019518B1 (ja)
JP (1) JPS55151865A (ja)
CA (1) CA1161547A (ja)
DE (1) DE3062943D1 (ja)
FR (1) FR2456448A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877255A (ja) * 1981-10-22 1983-05-10 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション イメ−ジ・スキヤナ

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3018129C1 (de) * 1980-05-12 1981-10-01 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikeinrichtung zur Erstellung von Substraktionsbildern
FR2506549A1 (fr) * 1981-05-22 1982-11-26 Thomson Csf Dispositif de correction des informations couleur fournies par les tubes analyseurs d'une camera en vue d'ameliorer la perception des images
US4445138A (en) * 1981-12-21 1984-04-24 Hughes Aircraft Company Real time dynamic range compression for image enhancement
IL71878A (en) * 1984-05-21 1987-11-30 Elscint Ltd Intensity level windowing system for image displays
GB8521019D0 (en) 1985-08-22 1986-10-01 Rank Pullin Controls Ltd Imaging apparatus
US4868651A (en) * 1988-05-17 1989-09-19 S&S Inficon, Inc. Digital radiography with image brightness and contrast normalization
GB2223643B (en) * 1988-10-05 1993-04-07 Marconi Gec Ltd Data processing apparatus
CA2040672C (en) * 1990-04-26 1995-05-30 Masaaki Kanashiki Image signal processing apparatus
JPH04183177A (ja) * 1990-11-19 1992-06-30 Matsushita Electric Ind Co Ltd 累積ヒストグラム回路および補間回路および画質補正回路
US5388168A (en) * 1990-11-19 1995-02-07 Matsushita Electric Industrial Co., Ltd. Picture quality improving circuit using a cumulative histogram
SG63564A1 (en) * 1992-05-22 1999-03-30 Thomson Consumer Electronics Non-linear video signal processor employing picture element analysis
BE1007608A3 (nl) * 1993-10-08 1995-08-22 Philips Electronics Nv Beeldsignaalverbeteringsschakeling.
WO1998044210A1 (es) 1997-04-01 1998-10-08 Octavio Mendoza Novelo Dispositivos auxiliares para mejorar el funcionamiento del drenaje que intregran el sistema de separacion de aguas negras y pluviales
KR100830333B1 (ko) * 2007-02-23 2008-05-16 매그나칩 반도체 유한회사 적응형 구간 선형 처리 장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626168A (en) * 1969-07-07 1971-12-07 Boeing Co Measuring correlation, amplitude probability and probability density distributions, and signal response averaging
US3708693A (en) * 1971-05-19 1973-01-02 Ferrex Corp Gamma corrector
US3979555A (en) * 1975-05-27 1976-09-07 Hughes Aircraft Company Histogram equalization system for display improvement
US3983320A (en) * 1975-08-25 1976-09-28 Hughes Aircraft Company Raster display histogram equalization
US3996421A (en) * 1975-09-02 1976-12-07 Hughes Aircraft Company Television display utilizing local area brightness control
US4214271A (en) * 1979-02-16 1980-07-22 The United States Of America As Represented By The Secretary Of The Army Technique for DC restoration in AC coupled display systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877255A (ja) * 1981-10-22 1983-05-10 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション イメ−ジ・スキヤナ
JPS6226188B2 (ja) * 1981-10-22 1987-06-08 Intaanashonaru Bijinesu Mashiinzu Corp

Also Published As

Publication number Publication date
CA1161547A (en) 1984-01-31
US4337514A (en) 1982-06-29
FR2456448B1 (ja) 1984-05-04
DE3062943D1 (en) 1983-06-09
FR2456448A1 (fr) 1980-12-05
EP0019518B1 (fr) 1983-05-04
EP0019518A1 (fr) 1980-11-26

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