DE69013445D1 - Farbsignalverbesserungsschaltung. - Google Patents

Farbsignalverbesserungsschaltung.

Info

Publication number
DE69013445D1
DE69013445D1 DE69013445T DE69013445T DE69013445D1 DE 69013445 D1 DE69013445 D1 DE 69013445D1 DE 69013445 T DE69013445 T DE 69013445T DE 69013445 T DE69013445 T DE 69013445T DE 69013445 D1 DE69013445 D1 DE 69013445D1
Authority
DE
Germany
Prior art keywords
color signal
improvement circuit
signal improvement
circuit
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 - Fee Related
Application number
DE69013445T
Other languages
English (en)
Other versions
DE69013445T2 (de
Inventor
Hidemitsu Nikoh
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69013445D1 publication Critical patent/DE69013445D1/de
Publication of DE69013445T2 publication Critical patent/DE69013445T2/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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Image Signal Generators (AREA)
DE69013445T 1989-08-30 1990-08-28 Farbsignalverbesserungsschaltung. Expired - Fee Related DE69013445T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1226091A JPH0832056B2 (ja) 1989-08-30 1989-08-30 色信号強調回路

Publications (2)

Publication Number Publication Date
DE69013445D1 true DE69013445D1 (de) 1994-11-24
DE69013445T2 DE69013445T2 (de) 1995-05-24

Family

ID=16839683

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69013445T Expired - Fee Related DE69013445T2 (de) 1989-08-30 1990-08-28 Farbsignalverbesserungsschaltung.

Country Status (4)

Country Link
US (1) US5124786A (de)
EP (1) EP0415350B1 (de)
JP (1) JPH0832056B2 (de)
DE (1) DE69013445T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9022743D0 (en) * 1990-10-19 1991-04-03 Marconi Gec Ltd Noise reduction of video signal
JPH0795856B2 (ja) * 1992-04-16 1995-10-11 三洋電機株式会社 ディジタルビデオカメラ
US5374964A (en) * 1993-08-04 1994-12-20 Matsushita Electric Corporation Of America Circuit and method for controlling abnormally slow transitions in color television signals
US5987169A (en) * 1997-08-27 1999-11-16 Sharp Laboratories Of America, Inc. Method for improving chromatic text resolution in images with reduced chromatic bandwidth
US6078307A (en) * 1998-03-12 2000-06-20 Sharp Laboratories Of America, Inc. Method for increasing luminance resolution of color panel display systems
JP2000076426A (ja) * 1998-06-17 2000-03-14 Sony Corp データ結合方法及び装置、並びにデータ結合プログラムを供給するプログラム供給媒体
JP2006509234A (ja) * 2002-12-04 2006-03-16 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ カラー・マトリクス・ディスプレイの知覚解像度を向上させる方法
WO2007054852A2 (en) 2005-11-09 2007-05-18 Koninklijke Philips Electronics N.V. A method and apparatus processing pixel signals for driving a display and a display using the same
JP2007231490A (ja) * 2006-03-03 2007-09-13 Onward Kashiyama Co Ltd 衣服の裏地
CN105430231B (zh) * 2015-11-24 2018-09-04 努比亚技术有限公司 图像处理装置和方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816846A (en) * 1972-11-01 1974-06-11 Warwick Electronics Inc Hue correction system
JPS5919671B2 (ja) * 1979-02-20 1984-05-08 松下電器産業株式会社 カラ−テレビジヨンカメラ
US4337479A (en) * 1979-09-13 1982-06-29 Matsushita Electric Industrial Co., Ltd. Color resolution compensator
JPS6221393A (ja) * 1985-07-19 1987-01-29 Mitsubishi Electric Corp カラ−映像信号の色信号補正装置
AU606606B2 (en) * 1986-08-13 1991-02-14 Sony Corporation Chrominance signal processing circuit
JPH07121133B2 (ja) * 1986-10-03 1995-12-20 ソニー株式会社 輪郭補償回路
US4870481A (en) * 1987-12-01 1989-09-26 Ikegami Tsushiniki Co., Ltd. Color television signal transmission system and improved-definition receiver for use in the system
JPH01248782A (ja) * 1988-03-29 1989-10-04 Nec Corp 色信号アパーチャ補正回路

Also Published As

Publication number Publication date
DE69013445T2 (de) 1995-05-24
EP0415350B1 (de) 1994-10-19
US5124786A (en) 1992-06-23
EP0415350A2 (de) 1991-03-06
JPH0388492A (ja) 1991-04-12
JPH0832056B2 (ja) 1996-03-27
EP0415350A3 (en) 1991-11-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee