DE69712924D1 - Konturenbetonungsschaltung - Google Patents

Konturenbetonungsschaltung

Info

Publication number
DE69712924D1
DE69712924D1 DE69712924T DE69712924T DE69712924D1 DE 69712924 D1 DE69712924 D1 DE 69712924D1 DE 69712924 T DE69712924 T DE 69712924T DE 69712924 T DE69712924 T DE 69712924T DE 69712924 D1 DE69712924 D1 DE 69712924D1
Authority
DE
Germany
Prior art keywords
emphasis circuit
contour emphasis
contour
circuit
emphasis
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
DE69712924T
Other languages
English (en)
Other versions
DE69712924T2 (de
Inventor
Susumu Suzuki
Masanori Kurita
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.)
Fujitsu General Ltd
Original Assignee
Fujitsu General 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 Fujitsu General Ltd filed Critical Fujitsu General Ltd
Application granted granted Critical
Publication of DE69712924D1 publication Critical patent/DE69712924D1/de
Publication of DE69712924T2 publication Critical patent/DE69712924T2/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
    • 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)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
DE69712924T 1997-03-25 1997-03-25 Konturenbetonungsschaltung Expired - Fee Related DE69712924T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1997/000994 WO1998043409A1 (fr) 1997-03-25 1997-03-25 Circuit d'accentuation de contour

Publications (2)

Publication Number Publication Date
DE69712924D1 true DE69712924D1 (de) 2002-07-04
DE69712924T2 DE69712924T2 (de) 2002-09-12

Family

ID=14180306

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69712924T Expired - Fee Related DE69712924T2 (de) 1997-03-25 1997-03-25 Konturenbetonungsschaltung

Country Status (8)

Country Link
US (1) US6359659B1 (de)
EP (1) EP0998135B1 (de)
KR (1) KR100457041B1 (de)
AU (1) AU738829C (de)
CA (1) CA2284851C (de)
DE (1) DE69712924T2 (de)
ES (1) ES2176699T3 (de)
WO (1) WO1998043409A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE10214411A1 (de) * 2002-03-30 2003-10-09 Bts Media Solutions Gmbh Schaltung zur Verarbeitung von Videosignalen
JP2004112694A (ja) * 2002-09-20 2004-04-08 Fuji Xerox Co Ltd 色調整方法、色調整装置、色変換定義編集装置、画像処理装置、プログラム、記憶媒体
JP3821086B2 (ja) * 2002-11-01 2006-09-13 ソニー株式会社 ストリーミングシステム及びストリーミング方法、クライアント端末及びデータ復号方法、並びにプログラム
JP4390506B2 (ja) * 2003-09-02 2009-12-24 三洋電機株式会社 水平輪郭補正回路
JP5055770B2 (ja) * 2006-01-23 2012-10-24 船井電機株式会社 画像形成装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60117980A (ja) * 1983-11-30 1985-06-25 Toshiba Corp 映像情報処理方式及び装置
JPS62154892A (ja) 1985-12-26 1987-07-09 Nec Home Electronics Ltd テレビジヨン受像機の画質改善装置
JPH01259464A (ja) * 1988-04-11 1989-10-17 Konica Corp 鮮鋭度改善回路
US5119193A (en) * 1990-09-19 1992-06-02 Nec Corporation Video-signal processing device
GB2250886B (en) * 1990-12-13 1995-06-14 Rank Cintel Ltd Noise reduction in video signals
EP0665696B1 (de) * 1994-01-31 2001-08-22 Hitachi Denshi Kabushiki Kaisha Fernsehkamera mit digitaler Videosignalbearbeitungsschaltung
JP3163886B2 (ja) * 1994-03-02 2001-05-08 松下電器産業株式会社 輪郭補正装置
JPH0865548A (ja) 1994-08-19 1996-03-08 Canon Inc 撮像装置
US5467145A (en) * 1994-10-26 1995-11-14 Samsung Electronics Co., Ltd. Circuitry for enhancing detail in color video signals
JPH08163412A (ja) * 1994-11-30 1996-06-21 Sony Corp ビデオカメラ
JP3477871B2 (ja) * 1994-12-28 2003-12-10 ソニー株式会社 映像信号処理装置

Also Published As

Publication number Publication date
DE69712924T2 (de) 2002-09-12
CA2284851C (en) 2005-11-15
WO1998043409A1 (fr) 1998-10-01
AU1945697A (en) 1998-10-20
EP0998135A1 (de) 2000-05-03
AU738829C (en) 2002-03-28
ES2176699T3 (es) 2002-12-01
US6359659B1 (en) 2002-03-19
AU738829B2 (en) 2001-09-27
EP0998135A4 (de) 2000-05-03
KR100457041B1 (ko) 2004-11-12
EP0998135B1 (de) 2002-05-29
CA2284851A1 (en) 1998-10-01
KR20010005598A (ko) 2001-01-15

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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