MX158287A - Mejoras en circuito de filtro y cambiador de fase para un sistema de television con correccion automatica del color de la piel - Google Patents

Mejoras en circuito de filtro y cambiador de fase para un sistema de television con correccion automatica del color de la piel

Info

Publication number
MX158287A
MX158287A MX192072A MX19207282A MX158287A MX 158287 A MX158287 A MX 158287A MX 192072 A MX192072 A MX 192072A MX 19207282 A MX19207282 A MX 19207282A MX 158287 A MX158287 A MX 158287A
Authority
MX
Mexico
Prior art keywords
filter circuit
skin color
television system
automatic correction
phase changer
Prior art date
Application number
MX192072A
Other languages
English (en)
Inventor
Leopold Albert Harwood
Erwin Johann Wittmann
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of MX158287A publication Critical patent/MX158287A/es

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
MX192072A 1981-04-01 1982-03-31 Mejoras en circuito de filtro y cambiador de fase para un sistema de television con correccion automatica del color de la piel MX158287A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/249,947 US4385311A (en) 1981-04-01 1981-04-01 Filter and phase shift circuit for a television automatic flesh color correction system

Publications (1)

Publication Number Publication Date
MX158287A true MX158287A (es) 1989-01-20

Family

ID=22945690

Family Applications (1)

Application Number Title Priority Date Filing Date
MX192072A MX158287A (es) 1981-04-01 1982-03-31 Mejoras en circuito de filtro y cambiador de fase para un sistema de television con correccion automatica del color de la piel

Country Status (5)

Country Link
US (1) US4385311A (es)
JP (1) JPS57176894A (es)
KR (1) KR890000018B1 (es)
CA (1) CA1175560A (es)
MX (1) MX158287A (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5638136A (en) * 1992-01-13 1997-06-10 Mitsubishi Denki Kabushiki Kaisha Method and apparatus for detecting flesh tones in an image
US5488429A (en) * 1992-01-13 1996-01-30 Mitsubishi Denki Kabushiki Kaisha Video signal processor for detecting flesh tones in am image
FR2739519B1 (fr) 1995-09-29 1997-12-12 Sgs Thomson Microelectronics Dispositif de correction de teinte d'un signal de television selon la norme ntsc
KR100237637B1 (ko) * 1996-06-04 2000-01-15 구자홍 살색 재현장치 및 방법
US6052157A (en) * 1997-08-04 2000-04-18 Innovision Labs System and method for separating chrominance and luminance components of a color television system
US6351557B1 (en) 1998-04-03 2002-02-26 Avid Technology, Inc. Method and apparatus for color manipulation
US6571255B1 (en) 1999-04-16 2003-05-27 Robert Gonsalves Modification of media with common attributes on a digital nonlinear editing system
US6552731B1 (en) 1999-04-16 2003-04-22 Avid Technology, Inc. Multi-tone representation of a digital image on a digital nonlinear editing system
US6847373B1 (en) 1999-04-16 2005-01-25 Avid Technology, Inc. Natural color matching in a video editing system
US6417891B1 (en) 1999-04-16 2002-07-09 Avid Technology, Inc. Color modification on a digital nonlinear editing system
US6477271B1 (en) 2000-04-07 2002-11-05 Avid Technology, Inc. Secondary color modification of a digital image
US6928187B2 (en) * 2000-04-07 2005-08-09 Avid Technology, Inc. Secondary color modification of a digital image

Family Cites Families (6)

* 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
US3996608A (en) * 1975-05-23 1976-12-07 Rca Corporation Hue correction apparatus having a restricted range
US4020500A (en) * 1975-11-19 1977-04-26 Rca Corporation Controlled oscillator
US4051519A (en) * 1975-12-29 1977-09-27 Rca Corporation Phase control circuit suitable for use in a tint control stage of a color television system
US4084178A (en) * 1976-05-05 1978-04-11 Admiral Corporation Automatic hue control circuit
US4207590A (en) * 1979-03-14 1980-06-10 Rca Corporation Combined phase shift filter network in a color video signal processing system employing dynamic flesh tone control

Also Published As

Publication number Publication date
JPS57176894A (en) 1982-10-30
US4385311A (en) 1983-05-24
JPH043154B2 (es) 1992-01-22
KR890000018B1 (ko) 1989-03-02
KR830009863A (ko) 1983-12-23
CA1175560A (en) 1984-10-02

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