CA2019736A1 - Circuit de separation des signaux de luminance des signaux de chrominance et circuit reducteur de bruit utilisant un filtre peigne logique a 3 lignes - Google Patents

Circuit de separation des signaux de luminance des signaux de chrominance et circuit reducteur de bruit utilisant un filtre peigne logique a 3 lignes

Info

Publication number
CA2019736A1
CA2019736A1 CA2019736A CA2019736A CA2019736A1 CA 2019736 A1 CA2019736 A1 CA 2019736A1 CA 2019736 A CA2019736 A CA 2019736A CA 2019736 A CA2019736 A CA 2019736A CA 2019736 A1 CA2019736 A1 CA 2019736A1
Authority
CA
Canada
Prior art keywords
luminance signal
comb filter
circuit
line logical
noise reduction
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.)
Granted
Application number
CA2019736A
Other languages
English (en)
Other versions
CA2019736C (fr
Inventor
Shigeru Miki
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of CA2019736A1 publication Critical patent/CA2019736A1/fr
Application granted granted Critical
Publication of CA2019736C publication Critical patent/CA2019736C/fr
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)
  • Filters That Use Time-Delay Elements (AREA)
CA002019736A 1989-06-26 1990-06-25 Circuit de separation des signaux de luminance des signaux de chrominance et circuit reducteur de bruit utilisant un filtre peigne logique a 3 lignes Expired - Fee Related CA2019736C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1-163111 1989-06-26
JP1163111A JPH0720256B2 (ja) 1989-06-26 1989-06-26 輝度信号分離回路

Publications (2)

Publication Number Publication Date
CA2019736A1 true CA2019736A1 (fr) 1990-12-26
CA2019736C CA2019736C (fr) 1995-05-23

Family

ID=15767373

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002019736A Expired - Fee Related CA2019736C (fr) 1989-06-26 1990-06-25 Circuit de separation des signaux de luminance des signaux de chrominance et circuit reducteur de bruit utilisant un filtre peigne logique a 3 lignes

Country Status (4)

Country Link
US (1) US5047840A (fr)
JP (1) JPH0720256B2 (fr)
KR (1) KR0155367B1 (fr)
CA (1) CA2019736C (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2549737B2 (ja) * 1989-12-06 1996-10-30 三菱電機株式会社 映像信号処理回路
DE59010181D1 (de) * 1990-08-30 1996-04-11 Itt Ind Gmbh Deutsche Verfahren zur Reduktion des Farbrauschens eines Fernsehsignals
KR920010186B1 (ko) * 1990-10-30 1992-11-19 주식회사 금성사 비디오 카세트 레코더의 화상제어시스템
JP2636519B2 (ja) * 1991-02-15 1997-07-30 日本電気株式会社 映像動き信号検出回路
KR0123768B1 (ko) * 1992-10-20 1997-11-26 윤종용 적응형이차원휘도/색신호분리방법및장치
JP2859526B2 (ja) * 1992-10-30 1999-02-17 三星電子株式会社 映像信号のノイズ除去回路
KR940020852A (ko) * 1993-02-01 1994-09-16 이헌조 영상신호 처리기기의 휘도 및 칼라 분리장치
JPH09224260A (ja) * 1996-02-19 1997-08-26 Matsushita Electric Ind Co Ltd Ｙ／ｃ分離装置
JP3836198B2 (ja) * 1996-10-31 2006-10-18 株式会社フィリップスエレクトロニクスジャパン Ｙ／ｃ分離装置
JP4576677B2 (ja) * 2000-07-10 2010-11-10 パナソニック株式会社 ３ライン相関検出装置
JP2007201541A (ja) * 2006-01-23 2007-08-09 Ricoh Co Ltd 画像処理装置、撮像装置、画像処理方法、および画像処理プログラム
CN101605268B (zh) * 2008-06-10 2011-02-16 凌阳科技股份有限公司 梳型滤波器上的边缘方向检测的系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0799804B2 (ja) * 1981-07-13 1995-10-25 ソニー株式会社 フィルタ装置
JPS58111596A (ja) * 1981-12-25 1983-07-02 Sony Corp 信号処理回路
JPS60116290A (ja) * 1983-11-28 1985-06-22 Victor Co Of Japan Ltd 映像信号の雑音低減回路
GB8500658D0 (en) * 1985-01-11 1985-02-13 Quantel Ltd Pal decoders
EP0313372B1 (fr) * 1987-10-21 1992-09-02 Victor Company Of Japan, Limited Séparateur YC pour un circuit de traitement du signal vidéo

Also Published As

Publication number Publication date
CA2019736C (fr) 1995-05-23
KR0155367B1 (ko) 1998-11-16
KR910002284A (ko) 1991-01-31
JPH0329486A (ja) 1991-02-07
JPH0720256B2 (ja) 1995-03-06
US5047840A (en) 1991-09-10

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Legal Events

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