DE69512338T2 - Verfahren und Vorrichtung zur Verbesserung von Einzelheiten in Farbsignalen - Google Patents

Verfahren und Vorrichtung zur Verbesserung von Einzelheiten in Farbsignalen

Info

Publication number
DE69512338T2
DE69512338T2 DE69512338T DE69512338T DE69512338T2 DE 69512338 T2 DE69512338 T2 DE 69512338T2 DE 69512338 T DE69512338 T DE 69512338T DE 69512338 T DE69512338 T DE 69512338T DE 69512338 T2 DE69512338 T2 DE 69512338T2
Authority
DE
Germany
Prior art keywords
color signals
details
improving
improving details
color
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
DE69512338T
Other languages
English (en)
Other versions
DE69512338D1 (de
Inventor
Hyo-Seung Lee
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 DE69512338D1 publication Critical patent/DE69512338D1/de
Application granted granted Critical
Publication of DE69512338T2 publication Critical patent/DE69512338T2/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
DE69512338T 1994-08-31 1995-03-08 Verfahren und Vorrichtung zur Verbesserung von Einzelheiten in Farbsignalen Expired - Lifetime DE69512338T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940022076A KR0170657B1 (ko) 1994-08-31 1994-08-31 색신호에 있는 윤곽을 보정하는 방법 및 이를 칼라 비디오기기에서 구현하기 위한 회로

Publications (2)

Publication Number Publication Date
DE69512338D1 DE69512338D1 (de) 1999-10-28
DE69512338T2 true DE69512338T2 (de) 2000-04-06

Family

ID=19391893

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69512338T Expired - Lifetime DE69512338T2 (de) 1994-08-31 1995-03-08 Verfahren und Vorrichtung zur Verbesserung von Einzelheiten in Farbsignalen

Country Status (8)

Country Link
US (1) US5606375A (de)
EP (1) EP0700216B1 (de)
JP (1) JPH08107565A (de)
KR (1) KR0170657B1 (de)
CN (1) CN1057894C (de)
CA (1) CA2143344A1 (de)
DE (1) DE69512338T2 (de)
RU (1) RU2146425C1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3007116B2 (ja) * 1990-04-06 2000-02-07 キヤノン株式会社 記録ヘッドユニットおよび該ユニットを搭載した記録装置
KR0160718B1 (ko) * 1995-08-29 1999-01-15 김광호 색신호에 포함된 윤곽을 보정하는 방법 및 이를 칼라 비디오기기에서 구현하기 위한 회로
JPH11503594A (ja) * 1996-02-05 1999-03-26 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 画像データノイズフィルタ処理
DE69838779D1 (de) 1997-08-26 2008-01-10 Matsushita Electric Ind Co Ltd Korrekturvorrichtung für senkrechte konturen
US6229520B1 (en) * 1998-01-16 2001-05-08 Texas Instruments Incorporated Digital processing for resized graphics images
GB9807201D0 (en) * 1998-04-03 1998-06-03 Nds Ltd Filtering video signals containing chrominance information
KR20020022672A (ko) * 2000-03-24 2002-03-27 요트.게.아. 롤페즈 영상을 향상시키기 위한 전자 회로 및 방법
US7020352B2 (en) * 2001-05-25 2006-03-28 Seiko Epson Corporation Photo extraction techniques
SG115542A1 (en) * 2003-05-21 2005-10-28 St Microelectronics Asia Adaptive coring for video peaking
EP1755331A4 (de) * 2004-06-10 2009-04-29 Sony Corp Bildverarbeitungseinrichtung, verfahren und programm
JP4398809B2 (ja) * 2004-06-30 2010-01-13 株式会社東芝 映像信号処理装置及び映像信号処理方法
TW200606555A (en) * 2004-08-11 2006-02-16 ke-cong Li Method for enhancing images of non-uniform brightness and electronic apparatus thereof
US20070086650A1 (en) * 2005-10-06 2007-04-19 Keh-Tsong Li Method and Device for Color Saturation and Sharpness Enhancement
CN101278552A (zh) * 2005-10-26 2008-10-01 奥林巴斯株式会社 图像处理系统、图像处理程序
US7907215B2 (en) * 2006-06-06 2011-03-15 Sigma Designs, Inc. Video enhancement systems and methods
KR100818987B1 (ko) * 2006-09-19 2008-04-04 삼성전자주식회사 이미지 촬상 장치 및 상기 이미지 촬상 장치의 동작 방법
KR101315413B1 (ko) * 2007-08-27 2013-10-07 삼성전자주식회사 신호처리장치 및 그 제어방법
JP2009194721A (ja) * 2008-02-15 2009-08-27 Fujitsu Microelectronics Ltd 画像信号処理装置、画像信号処理方法、及び撮像装置
JP5279830B2 (ja) * 2008-07-14 2013-09-04 シャープ株式会社 映像信号処理装置及び映像表示装置
CN104539826B (zh) * 2009-03-31 2017-09-08 夏普株式会社 图像增强装置
WO2011061957A1 (ja) 2009-11-17 2011-05-26 シャープ株式会社 符号化装置、復号化装置、符号化装置の制御方法、復号化装置の制御方法、伝送システム、および制御プログラムを記録したコンピュータ読み取り可能な記録媒体
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
KR101641543B1 (ko) * 2010-02-05 2016-07-21 삼성전자주식회사 영상잡음 제거장치 및 그 방법
JP2012244436A (ja) * 2011-05-19 2012-12-10 Toshiba Corp 映像処理装置及び輪郭強調方法
US8687885B2 (en) 2011-05-19 2014-04-01 Foveon, Inc. Methods for reducing row and column patterns in a digital image
US8559716B2 (en) * 2011-05-19 2013-10-15 Foveon, Inc. Methods for suppressing structured noise in a digital image
EP3144928B1 (de) * 2015-09-15 2021-03-24 Harman Becker Automotive Systems GmbH Aktives strassenlärmdämpfungssystem
WO2018126484A1 (zh) * 2017-01-09 2018-07-12 中国科学院自动化研究所 可重构的并行图像细节增强方法和装置
CN106878586B (zh) * 2017-01-09 2019-12-06 中国科学院自动化研究所 可重构的并行图像细节增强方法和装置

Family Cites Families (6)

* 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
JP2543567B2 (ja) * 1988-04-07 1996-10-16 株式会社日立製作所 ダイナミックノイズリダクション回路及びこれを用いたテレビジョン受信機
US4962419A (en) * 1989-02-13 1990-10-09 Eastman Kodak Company Detail processing method and apparatus providing uniform processing of horizontal and vertical detail components
US5025312A (en) * 1990-03-30 1991-06-18 Faroudja Y C Motion-adaptive video noise reduction system using recirculation and coring
JPH0423571A (ja) * 1990-05-17 1992-01-27 Matsushita Electric Ind Co Ltd アパーチャ補正装置
JPH06169466A (ja) * 1992-07-24 1994-06-14 Matsushita Electric Ind Co Ltd 固体撮像素子駆動装置および輪郭補正装置

Also Published As

Publication number Publication date
CA2143344A1 (en) 1996-03-01
RU2146425C1 (ru) 2000-03-10
KR0170657B1 (ko) 1999-03-30
CN1057894C (zh) 2000-10-25
US5606375A (en) 1997-02-25
EP0700216B1 (de) 1999-09-22
JPH08107565A (ja) 1996-04-23
DE69512338D1 (de) 1999-10-28
RU95103429A (ru) 1996-12-27
EP0700216A1 (de) 1996-03-06
CN1118556A (zh) 1996-03-13

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Legal Events

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