DE69224175D1 - Steuerung für adaptive Chromafilterung - Google Patents

Steuerung für adaptive Chromafilterung

Info

Publication number
DE69224175D1
DE69224175D1 DE69224175T DE69224175T DE69224175D1 DE 69224175 D1 DE69224175 D1 DE 69224175D1 DE 69224175 T DE69224175 T DE 69224175T DE 69224175 T DE69224175 T DE 69224175T DE 69224175 D1 DE69224175 D1 DE 69224175D1
Authority
DE
Germany
Prior art keywords
control
chroma filtering
adaptive chroma
adaptive
filtering
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 - Fee Related
Application number
DE69224175T
Other languages
English (en)
Other versions
DE69224175T2 (de
Inventor
Jon A Fairhurst
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.)
Grass Valley Group Inc
Original Assignee
Grass Valley Group Inc
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 Grass Valley Group Inc filed Critical Grass Valley Group Inc
Publication of DE69224175D1 publication Critical patent/DE69224175D1/de
Application granted granted Critical
Publication of DE69224175T2 publication Critical patent/DE69224175T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
DE69224175T 1991-12-26 1992-12-08 Steuerung für adaptive Chromafilterung Expired - Fee Related DE69224175T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/813,537 US5231478A (en) 1991-12-26 1991-12-26 Adaptive control signal generator for an adaptive luminance/chrominance separator

Publications (2)

Publication Number Publication Date
DE69224175D1 true DE69224175D1 (de) 1998-02-26
DE69224175T2 DE69224175T2 (de) 1998-07-30

Family

ID=25212670

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69224175T Expired - Fee Related DE69224175T2 (de) 1991-12-26 1992-12-08 Steuerung für adaptive Chromafilterung

Country Status (4)

Country Link
US (1) US5231478A (de)
EP (1) EP0549174B1 (de)
JP (1) JPH0763189B2 (de)
DE (1) DE69224175T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0597532B1 (de) * 1992-11-11 1998-07-08 Koninklijke Philips Electronics N.V. Videoverarbeitungssystem
US5345407A (en) * 1993-08-23 1994-09-06 Motorola, Inc. Digital multiband filter and method thereof
JP2004514334A (ja) * 2000-11-09 2004-05-13 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ビデオ信号処理
US6914638B2 (en) * 2000-12-20 2005-07-05 Intel Corporation Three-dimensional enhancement processing for television broadcasting signals
US6795126B1 (en) * 2001-12-14 2004-09-21 Ndsp Corporation Method and system for adaptive three-dimensional color television Y/C separation comb filter design
US7227587B2 (en) * 2003-03-05 2007-06-05 Broadcom Corporation System and method for three dimensional comb filtering
TWI222836B (en) * 2003-03-21 2004-10-21 Mediatek Inc Video signal separating method and related apparatus
US7605867B1 (en) 2003-05-20 2009-10-20 Pixelworks, Inc. Method and apparatus for correction of time base errors
US7420625B1 (en) 2003-05-20 2008-09-02 Pixelworks, Inc. Fuzzy logic based adaptive Y/C separation system and method
US7304688B1 (en) * 2003-05-20 2007-12-04 Pixelworks, Inc. Adaptive Y/C separator
US7365796B1 (en) 2003-05-20 2008-04-29 Pixelworks, Inc. System and method for video signal decoding using digital signal processing
US7701512B1 (en) 2003-05-20 2010-04-20 Pixelworks, Inc. System and method for improved horizontal and vertical sync pulse detection and processing
US7532254B1 (en) 2003-05-20 2009-05-12 Pixelworks, Inc. Comb filter system and method
US7430020B1 (en) * 2005-07-07 2008-09-30 Ess Technology, Inc. Separation of composite video signals using dot crawl detector
MXPA06009738A (es) * 2005-08-26 2007-03-28 Meadwestvaco Corp Paquete con cinta de desprendimiento y ventana de acceso.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4088080A (en) * 1976-07-26 1978-05-09 General Steel Industries, Inc. Railway locomotive truck
US4703342A (en) * 1985-01-14 1987-10-27 Nec Corporation Luminance/chrominance separating apparatus
US4754322A (en) * 1985-09-30 1988-06-28 Hitachi, Ltd. YC-signal separation circuit responsive to magnitude of vertical correlation
JPS6314490A (ja) * 1986-07-07 1988-01-21 アルプス電気株式会社 プリント配線板およびその製造方法
GB8622680D0 (en) * 1986-09-19 1986-10-22 Robinson R N Decoder
US4786963A (en) * 1987-06-26 1988-11-22 Rca Licensing Corporation Adaptive Y/C separation apparatus for TV signals
JP2601840B2 (ja) * 1987-09-30 1997-04-16 株式会社東芝 映像表示装置
JPH078050B2 (ja) * 1988-03-02 1995-01-30 株式会社東芝 輝度信号色信号分離回路
JPH01223893A (ja) * 1988-03-02 1989-09-06 Sony Corp カラー映像信号の処理装置
JPH0271693A (ja) * 1988-09-06 1990-03-12 Sony Corp 輝度／クロマ分離回路
JP2773900B2 (ja) * 1989-06-07 1998-07-09 池上通信機 株式会社 Ｎｔｓｃカラーテレビジョンカメラの映像処理装置
JPH0773181B2 (ja) * 1989-10-31 1995-08-02 日本ビクター株式会社 フィルタ装置

Also Published As

Publication number Publication date
EP0549174A1 (de) 1993-06-30
JPH0763189B2 (ja) 1995-07-05
JPH06121335A (ja) 1994-04-28
DE69224175T2 (de) 1998-07-30
US5231478A (en) 1993-07-27
EP0549174B1 (de) 1998-01-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee