CN1198470C - 色度过载保护设备 - Google Patents

色度过载保护设备 Download PDF

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Publication number
CN1198470C
CN1198470C CNB001184636A CN00118463A CN1198470C CN 1198470 C CN1198470 C CN 1198470C CN B001184636 A CNB001184636 A CN B001184636A CN 00118463 A CN00118463 A CN 00118463A CN 1198470 C CN1198470 C CN 1198470C
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CN
China
Prior art keywords
signal
vector
saturation
amplitude
gain control
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 - Lifetime
Application number
CNB001184636A
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English (en)
Chinese (zh)
Other versions
CN1312656A (zh
Inventor
马克·F·拉姆赖克
马克·R·朱卡斯
罗纳德·T·基恩
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.)
Thomson Licensing SAS
International Digital Madison Patent Holding SAS
Original Assignee
THOMSON LICENSING CORP
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Publication date
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Publication of CN1312656A publication Critical patent/CN1312656A/zh
Application granted granted Critical
Publication of CN1198470C publication Critical patent/CN1198470C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • 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
    • H04N9/67—Circuits for processing colour signals for matrixing

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Control Of Amplification And Gain Control (AREA)
CNB001184636A 1999-06-30 2000-06-30 色度过载保护设备 Expired - Lifetime CN1198470C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/343,622 1999-06-30
US09/343,622 US6177962B1 (en) 1999-06-30 1999-06-30 Apparatus and method for preventing oversaturation of chrominance signals

Publications (2)

Publication Number Publication Date
CN1312656A CN1312656A (zh) 2001-09-12
CN1198470C true CN1198470C (zh) 2005-04-20

Family

ID=23346864

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB001184636A Expired - Lifetime CN1198470C (zh) 1999-06-30 2000-06-30 色度过载保护设备

Country Status (7)

Country Link
US (1) US6177962B1 (https=)
EP (1) EP1065886B1 (https=)
JP (1) JP4600952B2 (https=)
KR (1) KR100749412B1 (https=)
CN (1) CN1198470C (https=)
DE (1) DE60037074T2 (https=)
MY (1) MY118662A (https=)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
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US6536042B1 (en) * 1998-05-21 2003-03-18 Avaya Technology Corp. Signal distribution system with integrated IR signal control
US6873363B1 (en) * 1999-02-16 2005-03-29 Micron Technology Inc. Technique for flagging oversaturated pixels
JP4465570B2 (ja) * 2000-09-26 2010-05-19 ソニー株式会社 画像処理装置および方法、並びに記録媒体
US6947099B2 (en) * 2000-12-21 2005-09-20 Thomson Licensing Automatic chroma control circuit with controlled saturation reduction
WO2002085037A1 (en) * 2001-04-11 2002-10-24 Koninklijke Philips Electronics N.V. Picture signal contrast control
US7218418B2 (en) * 2002-07-01 2007-05-15 Xerox Corporation Digital de-screening of documents
US7042520B2 (en) * 2002-08-23 2006-05-09 Samsung Electronics Co., Ltd. Method for color saturation adjustment with saturation limitation
KR100943274B1 (ko) * 2002-12-20 2010-02-23 삼성전자주식회사 색신호 보정장치 및 그 방법, 및 그것을 이용한영상신호처리 시스템 및 그 방법
KR20070032999A (ko) * 2004-07-20 2007-03-23 코닌클리케 필립스 일렉트로닉스 엔.브이. 컬러 포화 제어된 컬러 이미지에서의 컬러 최대값의 유지
US7958769B2 (en) 2005-02-14 2011-06-14 Olympus Ndt Detection of channel saturation in phase-array ultrasonic non-destructive testing
WO2008080434A1 (en) * 2006-12-29 2008-07-10 Robert Bosch Gmbh Apparatus, process and computer program for limiting the vector length of colour vectors
TWI466093B (zh) * 2007-06-26 2014-12-21 Apple Inc 用於視訊播放的管理技術
TWI489442B (zh) * 2008-04-03 2015-06-21 Sunplus Technology Co Ltd Adaptive color space conversion system and method
CN101309432B (zh) * 2008-04-21 2010-10-13 友达光电股份有限公司 饱和度调整方法及相关色彩调整系统
JP5304375B2 (ja) * 2009-03-26 2013-10-02 セイコーエプソン株式会社 画像表示装置
KR101310076B1 (ko) 2011-11-16 2013-09-24 한양대학교 에리카산학협력단 컬러 영상 복원 장치 및 방법
US9300934B2 (en) * 2013-10-04 2016-03-29 Amlogic Co., Ltd. Chroma automatic gain control
KR102714197B1 (ko) * 2022-06-09 2024-10-04 연세대학교 산학협력단 컬러 이미지 압축 센싱 방법 및 장치

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054905A (en) 1976-10-28 1977-10-18 Rca Corporation Automatic chrominance gain control system
US4316213A (en) 1980-09-23 1982-02-16 Rca Corporation Video processor employing variable amplitude compression of the chrominance component
US4359756A (en) 1981-06-29 1982-11-16 Rca Corporation Chrominance signal limiter
US4447826A (en) 1982-03-18 1984-05-08 Rca Corporation Digital television receiver automatic chroma control system
US4500910A (en) 1982-11-30 1985-02-19 Rca Corporation Hue control system
US4604645A (en) 1983-09-30 1986-08-05 Rca Corporation Coarse/fine automatic chrominance gain control using a gain adjustable IF amplifier in a digital television receiver
US4573069A (en) 1984-03-29 1986-02-25 Rca Corporation Chrominance fine gain control in a digital television receiver
US4602276A (en) 1984-04-12 1986-07-22 Rca Corporation Digital signal level overload system
US4630102A (en) 1984-10-10 1986-12-16 Rca Corporation Digital chroma overload system
US4635102A (en) 1984-10-24 1987-01-06 Rca Corporation Chroma signal amplitude control apparatus
DE3884597D1 (de) * 1988-01-21 1993-11-04 Itt Ind Gmbh Deutsche Digitale farbsignalverarbeitungsschaltung.
US4962417A (en) 1988-05-12 1990-10-09 Rca Licensing Corporation Chroma overload detector using a differential amplifier
JPH03119502A (ja) * 1989-10-02 1991-05-21 Victor Co Of Japan Ltd 音声信号のダビング方式
JPH04891A (ja) * 1990-04-17 1992-01-06 Sharp Corp デジタルテレビジョン受像機
JPH0537951A (ja) * 1991-07-29 1993-02-12 Victor Co Of Japan Ltd デジタルａｃｃ回路
JPH0678320A (ja) * 1992-08-25 1994-03-18 Matsushita Electric Ind Co Ltd 色調整装置
JP3158768B2 (ja) * 1993-04-01 2001-04-23 松下電器産業株式会社 映像信号の色信号振幅制限装置
JP2500603B2 (ja) * 1993-05-12 1996-05-29 日本電気株式会社 色信号ベ―スクリップ回路
JPH0795611A (ja) * 1993-09-20 1995-04-07 Toshiba Corp 色飽和度補正回路
BE1007590A3 (nl) * 1993-10-01 1995-08-16 Philips Electronics Nv Videosignaalverwerkingsschakeling.
JPH07212787A (ja) * 1994-01-24 1995-08-11 Kyoei Sangyo Kk 色信号処理回路
JP3134660B2 (ja) 1994-04-14 2001-02-13 松下電器産業株式会社 色変換方法および色変換装置
JPH07274195A (ja) * 1995-05-11 1995-10-20 Hitachi Denshi Ltd 色適応型利得制御回路
KR0154834B1 (ko) * 1995-06-20 1998-11-16 김광호 이득 조정이 가능한 색신호 포화도 조정장치
US5696710A (en) * 1995-12-29 1997-12-09 Thomson Consumer Electronics, Inc. Apparatus for symmetrically reducing N least significant bits of an M-bit digital signal

Also Published As

Publication number Publication date
CN1312656A (zh) 2001-09-12
JP2001045514A (ja) 2001-02-16
US6177962B1 (en) 2001-01-23
DE60037074D1 (de) 2007-12-27
JP4600952B2 (ja) 2010-12-22
EP1065886B1 (en) 2007-11-14
DE60037074T2 (de) 2008-09-11
KR20010049533A (ko) 2001-06-15
EP1065886A2 (en) 2001-01-03
KR100749412B1 (ko) 2007-08-16
EP1065886A3 (en) 2004-04-14
MY118662A (en) 2004-12-31

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CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: I Si Eli Murli Nor, France

Patentee after: THOMSON LICENSING

Address before: French Boulogne

Patentee before: THOMSON LICENSING

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190123

Address after: Paris France

Patentee after: International Digital Madison Patent Holding Co.

Address before: I Si Eli Murli Nor, France

Patentee before: THOMSON LICENSING

Effective date of registration: 20190123

Address after: I Si Eli Murli Nor, France

Patentee after: THOMSON LICENSING

Address before: I Si Eli Murli Nor, France

Patentee before: THOMSON LICENSING

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20050420