DE69124761D1 - Schaltungen zur Kompensation des horizontalen Randes - Google Patents

Schaltungen zur Kompensation des horizontalen Randes

Info

Publication number
DE69124761D1
DE69124761D1 DE69124761T DE69124761T DE69124761D1 DE 69124761 D1 DE69124761 D1 DE 69124761D1 DE 69124761 T DE69124761 T DE 69124761T DE 69124761 T DE69124761 T DE 69124761T DE 69124761 D1 DE69124761 D1 DE 69124761D1
Authority
DE
Germany
Prior art keywords
compensate
circuits
horizontal edge
horizontal
edge
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
DE69124761T
Other languages
English (en)
Other versions
DE69124761T2 (de
Inventor
Byeong-Min Min
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE69124761D1 publication Critical patent/DE69124761D1/de
Application granted granted Critical
Publication of DE69124761T2 publication Critical patent/DE69124761T2/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
    • 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)
  • Processing Of Color Television Signals (AREA)
  • Image Analysis (AREA)
DE69124761T 1990-09-28 1991-09-27 Schaltungen zur Kompensation des horizontalen Randes Expired - Fee Related DE69124761T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900015771A KR920008630B1 (ko) 1990-09-28 1990-09-28 수평윤곽 보상회로

Publications (2)

Publication Number Publication Date
DE69124761D1 true DE69124761D1 (de) 1997-04-03
DE69124761T2 DE69124761T2 (de) 1997-11-13

Family

ID=19304325

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69124761T Expired - Fee Related DE69124761T2 (de) 1990-09-28 1991-09-27 Schaltungen zur Kompensation des horizontalen Randes

Country Status (6)

Country Link
US (1) US5321511A (de)
EP (1) EP0478377B1 (de)
JP (1) JP2779278B2 (de)
KR (1) KR920008630B1 (de)
DE (1) DE69124761T2 (de)
ES (1) ES2100935T3 (de)

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JP2852390B2 (ja) * 1991-02-16 1999-02-03 株式会社半導体エネルギー研究所 表示装置
WO1998009443A1 (en) * 1996-08-26 1998-03-05 Philips Electronics N.V. Sharpness control
KR100437755B1 (ko) * 1996-12-26 2004-08-18 엘지전자 주식회사 영상윤곽강조회로
KR100225583B1 (ko) * 1996-12-28 1999-10-15 전주범 윤곽 보정 방법 및 이를 수행하기 위한 윤곽보정 회로
EP0998136A4 (de) * 1997-03-25 2001-04-11 Fujitsu General Ltd Schaltung zur konturenbetonung
US5959693A (en) * 1997-05-07 1999-09-28 General Instrument Corporation Pixel adaptive noise reduction filter for digital video
JPH1146313A (ja) * 1997-07-25 1999-02-16 Fujitsu General Ltd 輪郭強調回路
JP3697844B2 (ja) * 1997-07-25 2005-09-21 株式会社富士通ゼネラル 輪郭強調回路
US6034742A (en) * 1997-10-27 2000-03-07 Sony Corporation Adaptive sharpness enhancement for a multi-frequency scanning monitor
US6188444B1 (en) * 1998-03-13 2001-02-13 Nuwave Technologies, Inc. Apparatus and methods for synthesizing foreground and background images
JP3546691B2 (ja) * 1998-04-03 2004-07-28 松下電器産業株式会社 輪郭補正回路
JPH11305743A (ja) 1998-04-23 1999-11-05 Semiconductor Energy Lab Co Ltd 液晶表示装置
EP0969657A1 (de) * 1998-06-29 2000-01-05 NuWave Technologies, Inc. Verfahren und Vorrichtung zum verbessern der sichtbaren Bildklarheit
US6774943B1 (en) * 1998-09-01 2004-08-10 Ess Technology, Inc. Method and apparatus for edge enhancement in digital images
JP3576912B2 (ja) * 1999-02-24 2004-10-13 キヤノン株式会社 輪郭強調装置およびそれを用いた画像形成装置ならびに画像信号処理方法およびそれを用いた画像形成方法
JP2000312302A (ja) * 1999-02-24 2000-11-07 Canon Inc 輪郭強調装置及び画像形成装置及び画像信号処理方法及び画像形成方法
KR20020007411A (ko) * 2000-03-15 2002-01-26 요트.게.아. 롤페즈 피킹 필터를 갖는 비디오 장치
JPWO2002084997A1 (ja) 2001-04-11 2004-08-05 ソニー株式会社 輪郭強調装置
KR100897662B1 (ko) * 2001-08-23 2009-05-14 톰슨 라이센싱 비디오 증폭기 및 비디오 증폭기에서의 손실을 제어하는 방법
KR100870015B1 (ko) * 2002-08-13 2008-11-21 삼성전자주식회사 디지털 화상 데이터의 윤곽 강조 장치 및 그 방법, 이를이용한 디지털 표시 장치
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
KR100528876B1 (ko) * 2003-12-15 2005-11-16 삼성전자주식회사 멀티 비디오 포맷에 따라 적응적으로 동작하는 선명도향상장치 및 그 방법
JP4626393B2 (ja) * 2005-05-17 2011-02-09 パナソニック電工株式会社 輪郭強調回路
US7978915B2 (en) * 2006-01-03 2011-07-12 Broadcom Corporation Harmonic edge synthesizer, enhancer and methods
KR100757731B1 (ko) 2006-02-16 2007-09-11 삼성전자주식회사 적응적 이미지 신호의 천이 향상 방법 및 이를 위한 화질개선 장치
US20080229370A1 (en) * 2007-03-13 2008-09-18 Zustak Frederick J TV-centric system
JP5460987B2 (ja) * 2008-08-28 2014-04-02 京セラ株式会社 画像処理装置、画像処理方法、および画像処理プログラム
CN102598668B (zh) 2009-11-17 2014-11-12 夏普株式会社 编码装置、解码装置、编码装置的控制方法、解码装置的控制方法、传送系统
US8824825B2 (en) 2009-11-17 2014-09-02 Sharp Kabushiki Kaisha Decoding device with nonlinear process section, control method for the decoding device, transmission system, and computer-readable recording medium having a control program recorded thereon
CN102771111B (zh) 2010-02-15 2015-04-29 夏普株式会社 信号处理装置和集成电路
JP5615043B2 (ja) 2010-05-28 2014-10-29 キヤノン株式会社 画像処理装置及び画像処理方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030121A (en) * 1975-12-02 1977-06-14 Faroudja Y C Video crispener
US4262304A (en) * 1979-07-16 1981-04-14 Faroudja Y C Low level/signal booster for television transition
US4263616A (en) * 1979-12-03 1981-04-21 Zenith Radio Corporation Signal peaking method and apparatus
US4771192A (en) * 1986-11-14 1988-09-13 The Grass Valley Group, Inc. Digital clip and gain circuit
JPS6395370U (de) * 1986-12-10 1988-06-20
JPS63198483A (ja) * 1987-02-13 1988-08-17 Toshiba Corp 画質調整回路
JPS63229973A (ja) * 1987-03-19 1988-09-26 Toshiba Corp 輪郭強調回路
JPS63292777A (ja) * 1987-05-25 1988-11-30 Mitsubishi Electric Corp 輪郭補正装置
EP0325427B1 (de) * 1988-01-19 1994-12-14 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur Verbesserung einer Wellenform
JPH02222268A (ja) * 1989-02-22 1990-09-05 Toshiba Corp 輪郭補正回路
KR930002906B1 (ko) * 1989-12-23 1993-04-15 삼성전자 주식회사 윤곽 보정회로

Also Published As

Publication number Publication date
JPH04284069A (ja) 1992-10-08
EP0478377A3 (en) 1992-06-03
ES2100935T3 (es) 1997-07-01
EP0478377B1 (de) 1997-02-26
EP0478377A2 (de) 1992-04-01
KR920008630B1 (ko) 1992-10-02
JP2779278B2 (ja) 1998-07-23
KR920007447A (ko) 1992-04-28
US5321511A (en) 1994-06-14
DE69124761T2 (de) 1997-11-13

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee