DE69420814D1 - Nichtlineare Signalverarbeitung - Google Patents

Nichtlineare Signalverarbeitung

Info

Publication number
DE69420814D1
DE69420814D1 DE69420814T DE69420814T DE69420814D1 DE 69420814 D1 DE69420814 D1 DE 69420814D1 DE 69420814 T DE69420814 T DE 69420814T DE 69420814 T DE69420814 T DE 69420814T DE 69420814 D1 DE69420814 D1 DE 69420814D1
Authority
DE
Germany
Prior art keywords
signal processing
nonlinear signal
nonlinear
processing
signal
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
DE69420814T
Other languages
English (en)
Other versions
DE69420814T2 (de
Inventor
Cornelis Antonie Maria Jaspers
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.)
Entropic Communications LLC
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69420814D1 publication Critical patent/DE69420814D1/de
Publication of DE69420814T2 publication Critical patent/DE69420814T2/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
DE69420814T 1993-11-23 1994-11-17 Nichtlineare Signalverarbeitung Expired - Lifetime DE69420814T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9301294A BE1007777A3 (nl) 1993-11-23 1993-11-23 Niet-lineaire signaalverwerking.

Publications (2)

Publication Number Publication Date
DE69420814D1 true DE69420814D1 (de) 1999-10-28
DE69420814T2 DE69420814T2 (de) 2000-04-27

Family

ID=3887574

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420814T Expired - Lifetime DE69420814T2 (de) 1993-11-23 1994-11-17 Nichtlineare Signalverarbeitung

Country Status (5)

Country Link
US (1) US5537071A (de)
EP (1) EP0654942B1 (de)
JP (1) JP3980660B2 (de)
BE (1) BE1007777A3 (de)
DE (1) DE69420814T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY118340A (en) 1997-03-06 2004-10-30 Matsushita Electric Ind Co Ltd Histogram generator.
DE19722358A1 (de) * 1997-05-28 1998-12-03 Thomson Brandt Gmbh Verfahren zur Bearbeitung von Übergangsbereichen in einem Bildsignal
EP0925683B1 (de) 1997-07-14 2005-01-19 Koninklijke Philips Electronics N.V. Umgebungslichtabhängige videosignalverarbeitung
US6791576B1 (en) 2000-02-23 2004-09-14 Neomagic Corp. Gamma correction using double mapping with ratiometrically-related segments of two different ratios
JP3986732B2 (ja) * 2000-06-21 2007-10-03 パイオニア株式会社 映像信号の輝度レベル補正装置
EP1345172A1 (de) * 2002-02-26 2003-09-17 Sony International (Europe) GmbH Kontrastverbesserung in digitalen Bildern
US8295596B1 (en) * 2005-12-07 2012-10-23 Marvell International Ltd. Adaptive histogram-based video contrast enhancement
JP4760433B2 (ja) * 2006-02-16 2011-08-31 ソニー株式会社 画像処理装置および画像処理方法、並びにプログラム
JP4760434B2 (ja) * 2006-02-16 2011-08-31 ソニー株式会社 画像処理装置および画像処理方法、並びにプログラム
US7669674B2 (en) * 2006-08-11 2010-03-02 Hall David R Degradation assembly

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550340A (en) * 1984-02-06 1985-10-29 Rca Corporation Apparatus for frame-to-frame comb filtering composite TV signal
US4597007A (en) * 1984-02-06 1986-06-24 Rca Corporation Circuitry for correcting frame combed luminance signal for motion induced distortion
US4553158A (en) * 1984-02-06 1985-11-12 Rca Corporation Circuitry for correcting motion induced errors in frame comb filtered video signals
US4642676A (en) * 1984-09-10 1987-02-10 Color Systems Technology, Inc. Priority masking techniques for video special effects
US5089890A (en) * 1989-02-06 1992-02-18 Canon Kabushiki Kaisha Gamma correction device
US5023711A (en) * 1989-10-16 1991-06-11 Eastman Kodak Company Line scanning apparatus using staggered linear segments with adjoining overlap regions
US5258928A (en) * 1990-05-03 1993-11-02 Rca Thomson Licensing Corporation Parts efficient memory based functional circuit having selectable transfer characteristics
JPH04183177A (ja) * 1990-11-19 1992-06-30 Matsushita Electric Ind Co Ltd 累積ヒストグラム回路および補間回路および画質補正回路
US5289282A (en) * 1991-05-28 1994-02-22 Matsushita Electric Industrial Co., Ltd. Video signal gradation corrector
EP0529635B1 (de) * 1991-08-30 1998-11-04 Matsushita Electric Industrial Co., Ltd. Bildverarbeitungsgerät
US5294989A (en) * 1991-09-17 1994-03-15 Moore Color, Inc. Saturable smoothing grid for image processing
JP3255677B2 (ja) * 1992-01-14 2002-02-12 松下電器産業株式会社 自動階調補正回路と輝度制御方法
US5408267A (en) * 1993-07-06 1995-04-18 The 3Do Company Method and apparatus for gamma correction by mapping, transforming and demapping

Also Published As

Publication number Publication date
DE69420814T2 (de) 2000-04-27
BE1007777A3 (nl) 1995-10-17
EP0654942A1 (de) 1995-05-24
US5537071A (en) 1996-07-16
JP3980660B2 (ja) 2007-09-26
EP0654942B1 (de) 1999-09-22
JPH07202608A (ja) 1995-08-04

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Legal Events

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8364 No opposition during term of opposition
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8328 Change in the person/name/address of the agent

Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN

8327 Change in the person/name/address of the patent owner

Owner name: NXP B.V., EINDHOVEN, NL

8327 Change in the person/name/address of the patent owner

Owner name: TRIDENT MICROSYSTEMS (FAR EAST) LTD., GRAND CA, KY

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