KR0143389B1 - 윤곽보정장치 - Google Patents

윤곽보정장치

Info

Publication number
KR0143389B1
KR0143389B1 KR1019930002924A KR930002924A KR0143389B1 KR 0143389 B1 KR0143389 B1 KR 0143389B1 KR 1019930002924 A KR1019930002924 A KR 1019930002924A KR 930002924 A KR930002924 A KR 930002924A KR 0143389 B1 KR0143389 B1 KR 0143389B1
Authority
KR
South Korea
Prior art keywords
circuit
value
signal
contour
amplitude
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
KR1019930002924A
Other languages
English (en)
Korean (ko)
Other versions
KR930018956A (ko
Inventor
타쿠지 오카모토
마사노리 하마다
켄타 소카와
카즈야 우에다
히데아키 야마우찌
Original Assignee
다니이 아끼오
마쓰시다덴기산교 가부시기가이샤
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
Priority claimed from JP4042557A external-priority patent/JP2830587B2/ja
Priority claimed from JP4121669A external-priority patent/JP2830609B2/ja
Priority claimed from JP4214875A external-priority patent/JP2871323B2/ja
Priority claimed from JP4216755A external-priority patent/JPH0662279A/ja
Application filed by 다니이 아끼오, 마쓰시다덴기산교 가부시기가이샤 filed Critical 다니이 아끼오
Publication of KR930018956A publication Critical patent/KR930018956A/ko
Application granted granted Critical
Publication of KR0143389B1 publication Critical patent/KR0143389B1/ko
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
    • H04N5/142—Edging; Contouring
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20192—Edge enhancement; Edge preservation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Picture Signal Circuits (AREA)
KR1019930002924A 1992-02-28 1993-02-27 윤곽보정장치 Expired - Fee Related KR0143389B1 (ko)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP92-42557 1992-02-28
JP4042557A JP2830587B2 (ja) 1992-02-28 1992-02-28 映像信号処理装置
JP4121669A JP2830609B2 (ja) 1992-05-14 1992-05-14 輪郭補正装置
JP92-121669 1992-05-14
JP4214875A JP2871323B2 (ja) 1992-08-12 1992-08-12 映像信号処理装置
JP92-214875 1992-08-12
JP92-216755 1992-08-14
JP4216755A JPH0662279A (ja) 1992-08-14 1992-08-14 映像信号処理装置

Publications (2)

Publication Number Publication Date
KR930018956A KR930018956A (ko) 1993-09-22
KR0143389B1 true KR0143389B1 (ko) 1998-07-15

Family

ID=27461220

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930002924A Expired - Fee Related KR0143389B1 (ko) 1992-02-28 1993-02-27 윤곽보정장치

Country Status (4)

Country Link
US (2) US5546135A (enExample)
EP (1) EP0558017B1 (enExample)
KR (1) KR0143389B1 (enExample)
DE (1) DE69319000T2 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2273843B (en) * 1992-11-30 1996-11-27 Gold Star Co Apparatus and method for enhancing transient edge of video signal
JP3284286B2 (ja) * 1993-12-27 2002-05-20 三菱電機株式会社 波形応答改善回路
KR0141782B1 (ko) * 1994-09-10 1998-06-15 구자홍 영상선명화장치
JPH0946554A (ja) * 1995-07-31 1997-02-14 Sony Corp 撮像装置
JPH09214807A (ja) * 1996-01-31 1997-08-15 Canon Inc 画像処理装置および画像処理方法
DE69605106T2 (de) * 1996-07-09 2000-07-20 Stmicroelectronics S.R.L., Agrate Brianza Schaltung zur Chrominanzübergangsverbesserung in Echtzeitvideoempfang
DE19722358A1 (de) * 1997-05-28 1998-12-03 Thomson Brandt Gmbh Verfahren zur Bearbeitung von Übergangsbereichen in einem Bildsignal
US6088065A (en) * 1997-09-03 2000-07-11 Victor Company Of Japan, Ltd. Contour correction apparatus and method
US6661469B1 (en) * 1998-04-17 2003-12-09 Matsushita Electric Industrial Co., Ltd. False contour correcting apparatus and method
KR100343692B1 (ko) * 1998-12-31 2002-07-20 엘지전자주식회사 영상신호의 콘트라스트 향상장치
KR100287856B1 (ko) * 1999-02-05 2001-04-16 구자홍 색상신호 처리장치
JP3538074B2 (ja) * 1999-08-02 2004-06-14 Ｎｅｃビューテクノロジー株式会社 輪郭強調回路および輪郭強調方法
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
DE10114813C1 (de) 2001-03-26 2002-10-31 Micronas Munich Gmbh Verfahren und Vorrichtung zur Versteilerung von Signalübergängen bei Fernsehbildern
US7271851B2 (en) * 2003-01-16 2007-09-18 Samsung Electronics Co., Ltd. Adaptive color transient improvement
JP2005142832A (ja) 2003-11-06 2005-06-02 Canon Inc 輪郭補正回路及び撮像装置
KR100631512B1 (ko) * 2004-08-10 2006-10-09 엘지전자 주식회사 비선형 라플라시안을 이용한 색상 변이 향상 장치 및 방법
DE102009046616A1 (de) * 2009-11-11 2011-05-19 Zf Friedrichshafen Ag Wechselrichter
JP2013042319A (ja) * 2011-08-15 2013-02-28 Sony Corp 画像処理装置及び画像処理方法、並びにコンピューター・プログラム
CN114095721B (zh) * 2020-08-25 2023-04-28 京东方科技集团股份有限公司 视频坏点检测的方法和装置、计算机可读介质

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58219872A (ja) * 1982-06-15 1983-12-21 Pioneer Electronic Corp 輪郭補正回路
JPS6276871A (ja) * 1985-09-30 1987-04-08 Toshiba Corp 画質補正回路
JPS6314577A (ja) * 1986-07-07 1988-01-21 Toshiba Corp 画質改善回路
US4823194A (en) * 1986-08-01 1989-04-18 Hitachi, Ltd. Method for processing gray scale images and an apparatus thereof
DE3786623T2 (de) * 1986-09-16 1993-12-02 Victor Company Of Japan Schaltung zur Verarbeitung vom Videosignal.
JPH055725Y2 (enExample) * 1987-02-06 1993-02-15
JPS63292777A (ja) * 1987-05-25 1988-11-30 Mitsubishi Electric Corp 輪郭補正装置
EP0329382B1 (en) * 1988-02-15 1993-09-08 Victor Company Of Japan, Limited Luminance signal/color signal separation circuit
IE881234L (en) * 1988-04-22 1989-10-22 Westinghouse Electric Systems Image processing system
EP0342511B1 (en) * 1988-05-18 1995-05-03 Hitachi, Ltd. Aperture correction circuit
US5231479A (en) * 1989-10-25 1993-07-27 Hitachi, Ltd. Luminance/chrominance signal separation circuit having filter circuit using pulse patterns suppressing circuit
KR930002906B1 (ko) * 1989-12-23 1993-04-15 삼성전자 주식회사 윤곽 보정회로
JPH03241976A (ja) * 1990-02-19 1991-10-29 Sony Corp 高域強調回路
US5121209A (en) * 1990-10-01 1992-06-09 Rca Licensing Corporation Sharpness control for a television image
JP3289892B2 (ja) * 1990-11-13 2002-06-10 パイオニア株式会社 信号切換出力装置
JPH04369179A (ja) * 1991-06-18 1992-12-21 Matsushita Electric Ind Co Ltd 輪郭補正装置
US5369446A (en) * 1992-04-30 1994-11-29 Thomson Consumer Electronics, Inc. Video signal processor employing edge replacement, preshoots and overshoots for transient enhancement
GB2273843B (en) * 1992-11-30 1996-11-27 Gold Star Co Apparatus and method for enhancing transient edge of video signal
US5515787A (en) * 1995-01-06 1996-05-14 Middleton; Derrick Tubular projectile

Also Published As

Publication number Publication date
DE69319000T2 (de) 1998-11-05
EP0558017A2 (en) 1993-09-01
EP0558017A3 (enExample) 1994-01-12
US5546135A (en) 1996-08-13
DE69319000D1 (de) 1998-07-16
KR930018956A (ko) 1993-09-22
US5668606A (en) 1997-09-16
EP0558017B1 (en) 1998-06-10

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