DE69617972T2 - Videosignalverarbeitung - Google Patents

Videosignalverarbeitung

Info

Publication number
DE69617972T2
DE69617972T2 DE69617972T DE69617972T DE69617972T2 DE 69617972 T2 DE69617972 T2 DE 69617972T2 DE 69617972 T DE69617972 T DE 69617972T DE 69617972 T DE69617972 T DE 69617972T DE 69617972 T2 DE69617972 T2 DE 69617972T2
Authority
DE
Germany
Prior art keywords
video signal
signal processing
polarities
zero
derived
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
DE69617972T
Other languages
English (en)
Other versions
DE69617972D1 (de
Inventor
Martin Weston
Avigdor Steinberg
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.)
Snell Advanced Media Ltd
Original Assignee
Snell and Wilcox 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 Snell and Wilcox Ltd filed Critical Snell and Wilcox Ltd
Application granted granted Critical
Publication of DE69617972D1 publication Critical patent/DE69617972D1/de
Publication of DE69617972T2 publication Critical patent/DE69617972T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Closed-Circuit Television Systems (AREA)
DE69617972T 1995-09-28 1996-09-27 Videosignalverarbeitung Expired - Lifetime DE69617972T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9519767.9A GB9519767D0 (en) 1995-09-28 1995-09-28 Video signal processing
PCT/GB1996/002402 WO1997012482A1 (en) 1995-09-28 1996-09-27 Video signal processing

Publications (2)

Publication Number Publication Date
DE69617972D1 DE69617972D1 (de) 2002-01-24
DE69617972T2 true DE69617972T2 (de) 2002-08-01

Family

ID=10781401

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69617972T Expired - Lifetime DE69617972T2 (de) 1995-09-28 1996-09-27 Videosignalverarbeitung

Country Status (7)

Country Link
EP (1) EP0852879B1 (de)
JP (1) JPH11512892A (de)
AT (1) ATE210911T1 (de)
AU (1) AU719722B2 (de)
DE (1) DE69617972T2 (de)
GB (1) GB9519767D0 (de)
WO (1) WO1997012482A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6867817B2 (en) 2001-12-17 2005-03-15 Koninklijke Philips Electronics N.V. Natural luminance transient enhancement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02222267A (ja) * 1989-02-22 1990-09-05 Toshiba Corp 輪郭補正回路
JPH0757009B2 (ja) * 1991-03-26 1995-06-14 松下電器産業株式会社 輪郭補正装置
JP2756070B2 (ja) * 1992-04-09 1998-05-25 三菱電機エンジニアリング株式会社 波形整形方法及び波形整形装置並びに搬送色信号の輪郭補正装置

Also Published As

Publication number Publication date
AU719722B2 (en) 2000-05-18
ATE210911T1 (de) 2001-12-15
DE69617972D1 (de) 2002-01-24
EP0852879A1 (de) 1998-07-15
EP0852879B1 (de) 2001-12-12
JPH11512892A (ja) 1999-11-02
WO1997012482A1 (en) 1997-04-03
AU7137796A (en) 1997-04-17
GB9519767D0 (en) 1995-11-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition