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DE69838779D1 - Korrekturvorrichtung für senkrechte konturen - Google Patents

Korrekturvorrichtung für senkrechte konturen

Info

Publication number
DE69838779D1
DE69838779D1 DE69838779T DE69838779T DE69838779D1 DE 69838779 D1 DE69838779 D1 DE 69838779D1 DE 69838779 T DE69838779 T DE 69838779T DE 69838779 T DE69838779 T DE 69838779T DE 69838779 D1 DE69838779 D1 DE 69838779D1
Authority
DE
Germany
Prior art keywords
correction device
vertical contours
contours
vertical
correction
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
DE69838779T
Other languages
English (en)
Inventor
Katsumi Terai
Naoji Okumura
Yutaka Nio
Kazuhito Tanaka
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69838779D1 publication Critical patent/DE69838779D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
DE69838779T 1997-08-26 1998-08-24 Korrekturvorrichtung für senkrechte konturen Expired - Lifetime DE69838779D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22922997 1997-08-26
PCT/JP1998/003753 WO1999011055A1 (fr) 1997-08-26 1998-08-24 Appareil de correction de contours verticaux

Publications (1)

Publication Number Publication Date
DE69838779D1 true DE69838779D1 (de) 2008-01-10

Family

ID=16888864

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69838779T Expired - Lifetime DE69838779D1 (de) 1997-08-26 1998-08-24 Korrekturvorrichtung für senkrechte konturen

Country Status (4)

Country Link
US (1) US6424383B1 (de)
EP (1) EP0940977B1 (de)
DE (1) DE69838779D1 (de)
WO (1) WO1999011055A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3743235B2 (ja) * 1999-10-30 2006-02-08 株式会社富士通ゼネラル 輪郭強調方法及び回路
JP4044826B2 (ja) * 2002-07-25 2008-02-06 富士通株式会社 半導体集積回路
JP3804595B2 (ja) * 2002-08-15 2006-08-02 ソニー株式会社 映像信号処理方法及び装置
JP2004159067A (ja) * 2002-11-06 2004-06-03 Sanyo Electric Co Ltd 垂直シャープネス装置及びそれを備えたｔｖ受像機
JP4325388B2 (ja) * 2003-12-12 2009-09-02 ソニー株式会社 信号処理装置、画像表示装置および信号処理方法
JP4155233B2 (ja) * 2004-06-24 2008-09-24 株式会社日立製作所 映像表示装置
JP4843489B2 (ja) * 2004-11-29 2011-12-21 パナソニック株式会社 画像処理装置
WO2009037817A1 (ja) * 2007-09-19 2009-03-26 Panasonic Corporation 輪郭補正装置、輪郭補正方法、映像表示装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573075A (en) * 1983-06-24 1986-02-25 Rca Corporation Digital signal coring apparatus with controllable coring threshold level
JPS645168A (en) * 1987-06-27 1989-01-10 Toshiba Corp Contour compensating circuit
JPH01220975A (ja) * 1988-02-29 1989-09-04 Toshiba Corp 画質調整回路
KR920005018B1 (ko) * 1989-07-20 1992-06-22 삼성전자 주식회사 텔레비젼수상기에 있어서 동작적응형 수직윤곽 보상회로
KR930002906B1 (ko) * 1989-12-23 1993-04-15 삼성전자 주식회사 윤곽 보정회로
JP2722784B2 (ja) * 1990-06-12 1998-03-09 松下電器産業株式会社 カラー撮像装置
JP2725451B2 (ja) * 1990-09-07 1998-03-11 日本電気株式会社 適応型ディジタル輪郭補償ノイズキャンセル回路
JPH04126470A (ja) * 1990-09-18 1992-04-27 Toshiba Corp 輪郭強調回路
DE69230548T2 (de) * 1991-08-23 2000-06-15 Mitsubishi Denki K.K., Tokio/Tokyo Pixelinterpolationsschaltkreis und Anwendungen
JPH0686098A (ja) * 1992-08-31 1994-03-25 Matsushita Electric Ind Co Ltd 輪郭補正装置
JP3306671B2 (ja) * 1992-09-24 2002-07-24 日本テキサス・インスツルメンツ株式会社 ノイズ低減回路
JP3076810B2 (ja) * 1994-01-20 2000-08-14 モトローラ株式会社 垂直輪郭補正回路
KR0170657B1 (ko) * 1994-08-31 1999-03-30 김광호 색신호에 있는 윤곽을 보정하는 방법 및 이를 칼라 비디오기기에서 구현하기 위한 회로
KR0144820B1 (ko) * 1994-09-30 1998-07-15 김광호 영상의 노이즈 제거 및 디테일 개선장치
JP3477871B2 (ja) * 1994-12-28 2003-12-10 ソニー株式会社 映像信号処理装置
EP0809409B1 (de) * 1996-05-24 2001-08-29 Matsushita Electric Industrial Co., Ltd. Verfahren und Schaltung zur Bestimmung eines Rauschwerts der repräsentativ ist für das Rauschen in einem Signal
JPH09322019A (ja) * 1996-05-30 1997-12-12 Matsushita Electric Ind Co Ltd ノイズ抑圧回路
JP3334500B2 (ja) * 1996-06-17 2002-10-15 ソニー株式会社 ノイズリデューサおよびビデオ信号処理装置

Also Published As

Publication number Publication date
WO1999011055A1 (fr) 1999-03-04
EP0940977B1 (de) 2007-11-28
EP0940977A1 (de) 1999-09-08
US6424383B1 (en) 2002-07-23
EP0940977A4 (de) 2001-04-11

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Legal Events

Date Code Title Description
8332 No legal effect for de