BR9703277B1 - circuito e método de compensação de qualidade de imagem em cor. - Google Patents

circuito e método de compensação de qualidade de imagem em cor.

Info

Publication number
BR9703277B1
BR9703277B1 BRPI9703277-8A BR9703277A BR9703277B1 BR 9703277 B1 BR9703277 B1 BR 9703277B1 BR 9703277 A BR9703277 A BR 9703277A BR 9703277 B1 BR9703277 B1 BR 9703277B1
Authority
BR
Brazil
Prior art keywords
circuit
image quality
color image
compensation method
quality compensation
Prior art date
Application number
BRPI9703277-8A
Other languages
English (en)
Other versions
BR9703277A (pt
Inventor
Kwang-Chun Lee
Yeong-Ho Ha
Kyong-Chul Hong
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 filed Critical
Publication of BR9703277A publication Critical patent/BR9703277A/pt
Publication of BR9703277B1 publication Critical patent/BR9703277B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/643—Hue control means, e.g. flesh tone control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)
BRPI9703277-8A 1996-06-04 1997-06-04 circuito e método de compensação de qualidade de imagem em cor. BR9703277B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960019821A KR100237637B1 (ko) 1996-06-04 1996-06-04 살색 재현장치 및 방법

Publications (2)

Publication Number Publication Date
BR9703277A BR9703277A (pt) 1998-11-03
BR9703277B1 true BR9703277B1 (pt) 2009-12-01

Family

ID=19460779

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9703277-8A BR9703277B1 (pt) 1996-06-04 1997-06-04 circuito e método de compensação de qualidade de imagem em cor.

Country Status (8)

Country Link
US (1) US6169536B1 (pt)
EP (1) EP0812116B1 (pt)
JP (1) JP3571493B2 (pt)
KR (1) KR100237637B1 (pt)
CN (1) CN1171464C (pt)
BR (1) BR9703277B1 (pt)
DE (1) DE69728815T2 (pt)
RU (1) RU2190936C2 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100266588B1 (ko) * 1997-12-09 2000-09-15 구자홍 기호색 보상방법
US6396599B1 (en) * 1998-12-21 2002-05-28 Eastman Kodak Company Method and apparatus for modifying a portion of an image in accordance with colorimetric parameters
US6674898B2 (en) 2000-12-08 2004-01-06 Koninklijke Philips Electronics N.V. Apparatus and method for correcting signal and color degradation in a video using known icons from video images
US20040208363A1 (en) * 2003-04-21 2004-10-21 Berge Thomas G. White balancing an image
KR100731356B1 (ko) * 2005-09-21 2007-06-21 삼성전자주식회사 자연색 보정기능을 구비한 단말장치 및 자연색 보정방법
TWI279146B (en) * 2005-10-27 2007-04-11 Princeton Technology Corp Image compensation device and method
CN100584036C (zh) * 2005-11-28 2010-01-20 普诚科技股份有限公司 影像补偿装置与方法
JP4492644B2 (ja) * 2007-06-01 2010-06-30 セイコーエプソン株式会社 赤目修正装置、赤目修正方法および赤目修正プログラム
CN101345813B (zh) * 2007-07-10 2012-05-30 普诚科技股份有限公司 影像色彩补偿装置及其方法
CN101989159B (zh) * 2009-07-31 2012-06-06 胜华科技股份有限公司 电容式触控面板
CN104751419B (zh) * 2015-03-05 2018-03-27 广东欧珀移动通信有限公司 一种照片显示调节方法及终端
CN110197159B (zh) * 2019-05-31 2021-03-09 维沃移动通信有限公司 指纹采集方法及终端
WO2021106187A1 (ja) * 2019-11-29 2021-06-03 日本電気株式会社 顔認証環境判定方法、顔認証環境判定システム、顔認証環境判定装置、及び非一時的なコンピュータ可読媒体

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749825A (en) * 1971-12-16 1973-07-31 Zenith Radio Corp Automatic hue control circuit
JPS55149588A (en) * 1979-05-10 1980-11-20 Matsushita Electric Ind Co Ltd Color stabilization unit for color television receiver
US4296432A (en) * 1980-07-28 1981-10-20 Zenith Radio Corporation Dynamic enabling network for a color correction circuit
US4385311A (en) * 1981-04-01 1983-05-24 Rca Corporation Filter and phase shift circuit for a television automatic flesh color correction system
US4642682A (en) 1984-04-27 1987-02-10 Vta Technologies, Inc. Phase responsive composite video signal control system
JPH077440B2 (ja) * 1986-03-31 1995-01-30 キヤノン株式会社 画像処理装置
US4987482A (en) * 1987-10-27 1991-01-22 Canon Kabushiki Kaisha Image pickup apparatus having exposure control for human subjects
JPH02184191A (ja) * 1989-01-10 1990-07-18 Nec Corp 色信号処理回路
US5305094A (en) 1990-03-30 1994-04-19 Inprop, Inc. Digital video signal color detector, corrector and method
JP3047448B2 (ja) * 1990-10-15 2000-05-29 ミノルタ株式会社 撮像装置
JPH04267691A (ja) * 1991-02-21 1992-09-24 Fujitsu General Ltd 肌色補正回路
JPH0638230A (ja) * 1992-07-20 1994-02-10 Hitachi Gazou Joho Syst:Kk 肌色補正及びその装置
JPH0678320A (ja) * 1992-08-25 1994-03-18 Matsushita Electric Ind Co Ltd 色調整装置
JP3136850B2 (ja) * 1993-07-28 2001-02-19 松下電器産業株式会社 映像信号の階調補正装置
JP3370770B2 (ja) * 1994-04-15 2003-01-27 松下電器産業株式会社 映像信号の肌色再生回路
JPH0816129A (ja) * 1994-04-27 1996-01-19 Canon Inc 画像処理装置
US5585680A (en) * 1995-04-12 1996-12-17 Tsoffka; Vladimir Electromagnetic stepper motor
US5841421A (en) * 1995-12-18 1998-11-24 General Electric Company Method and system for selecting a previous color match from a set of previous color matches that best matches a color standard

Also Published As

Publication number Publication date
EP0812116B1 (en) 2004-04-28
US6169536B1 (en) 2001-01-02
JP3571493B2 (ja) 2004-09-29
DE69728815T2 (de) 2005-04-21
BR9703277A (pt) 1998-11-03
CN1167408A (zh) 1997-12-10
RU2190936C2 (ru) 2002-10-10
KR980007773A (ko) 1998-03-30
KR100237637B1 (ko) 2000-01-15
EP0812116A3 (en) 1998-04-01
DE69728815D1 (de) 2004-06-03
JPH1098741A (ja) 1998-04-14
CN1171464C (zh) 2004-10-13
EP0812116A2 (en) 1997-12-10

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: ALTERADA A CLASSIFICACAO DE G02F 1/01 PARA INT.CL.2007.01 H04N 1/60; H04N 9/64; H04N 9/68

Ipc: G02F 1/01 (2007.10)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 29/12/2009, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 18A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2342 DE 24-11-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.