ES2080896T3 - Circuito con caracteristicas de trasferencia seleccionables. - Google Patents

Circuito con caracteristicas de trasferencia seleccionables.

Info

Publication number
ES2080896T3
ES2080896T3 ES91303760T ES91303760T ES2080896T3 ES 2080896 T3 ES2080896 T3 ES 2080896T3 ES 91303760 T ES91303760 T ES 91303760T ES 91303760 T ES91303760 T ES 91303760T ES 2080896 T3 ES2080896 T3 ES 2080896T3
Authority
ES
Spain
Prior art keywords
transfer function
circuit
transfer characteristics
family
selectable transfer
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
ES91303760T
Other languages
English (en)
Inventor
Joel Walter Zdepski
James John Gibson
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.)
RCA Licensing Corp
Original Assignee
RCA Licensing 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 RCA Licensing Corp filed Critical RCA Licensing Corp
Application granted granted Critical
Publication of ES2080896T3 publication Critical patent/ES2080896T3/es
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
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Networks Using Active Elements (AREA)
  • Transmitters (AREA)
  • Processing Of Color Television Signals (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Feedback Control In General (AREA)
  • Complex Calculations (AREA)
  • Control Of El Displays (AREA)
  • Dram (AREA)
  • Studio Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electrotherapy Devices (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Peptides Or Proteins (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Filters And Equalizers (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

UN SISTEMA DE PROCESAMIENTO, QUE REQUIERE UNA SELECCION ADAPTABLE DE ALGUNAS DE UNA FAMILIA DE FUNCIONES DE TRANSFERENCIA, SE COMPLETA CON UN UNICO ELEMENTO DE FUNCION DE TRANSFERENCIA COLOCADO PARA REALIZAR UNA FUNCION DE TRANSFERENCIA REPRESENTATIVA DE LA FAMILIA DE FUNCIONES. LAS RESPECTIVAS DE LA FAMILIA DE FUNCIONES DE TRANSFERENCIA SE REALIZAN COMPENSANDO Y/O IGUALANDO SELECTIVAMENTE LA SEÑAL APLICADA AL ELEMENTO DE FUNCION DE TRANSFERENCIA Y COMPENSANDO E IGUALANDO SELECTIVAMENTE LA SEÑAL PROPORCIONADA POR EL ELEMENTO DE FUNCION DE TRANSFERENCIA.
ES91303760T 1990-05-03 1991-04-25 Circuito con caracteristicas de trasferencia seleccionables. Expired - Lifetime ES2080896T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51834690A 1990-05-03 1990-05-03
US07/630,606 US5258928A (en) 1990-05-03 1990-12-20 Parts efficient memory based functional circuit having selectable transfer characteristics

Publications (1)

Publication Number Publication Date
ES2080896T3 true ES2080896T3 (es) 1996-02-16

Family

ID=27059421

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91303760T Expired - Lifetime ES2080896T3 (es) 1990-05-03 1991-04-25 Circuito con caracteristicas de trasferencia seleccionables.

Country Status (13)

Country Link
US (1) US5258928A (es)
EP (1) EP0455426B1 (es)
JP (1) JP3208711B2 (es)
KR (1) KR100227245B1 (es)
CN (1) CN1030028C (es)
AT (1) ATE131329T1 (es)
CA (1) CA2040760C (es)
DE (1) DE69115111T2 (es)
ES (1) ES2080896T3 (es)
FI (1) FI912127L (es)
MY (1) MY112550A (es)
PT (1) PT97557B (es)
TR (1) TR26793A (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2924079B2 (ja) * 1990-05-14 1999-07-26 ソニー株式会社 ガンマ補正回路
US5357278A (en) * 1993-01-14 1994-10-18 Sony Electronics, Inc. Integrated linear/non-linear static and controllable dynamic companding
US6285710B1 (en) 1993-10-13 2001-09-04 Thomson Licensing S.A. Noise estimation and reduction apparatus for video signal processing
BE1007777A3 (nl) * 1993-11-23 1995-10-17 Philips Electronics Nv Niet-lineaire signaalverwerking.
JP5503657B2 (ja) 2008-10-14 2014-05-28 ドルビー ラボラトリーズ ライセンシング コーポレイション 非線形レスポンス曲線を有する装置用の駆動信号の効率的な計算
JP5860889B2 (ja) * 2010-11-02 2016-02-16 アイ−シーイーエス（イノベイティブ コンプレッション エンジニアリング ソリューションズ） 画像，音声及び／又は映像ファイルのデジタル値を圧縮する方法
US10244245B2 (en) * 2015-06-08 2019-03-26 Qualcomm Incorporated Content-adaptive application of fixed transfer function to high dynamic range (HDR) and/or wide color gamut (WCG) video data
WO2019069753A1 (ja) * 2017-10-04 2019-04-11 パナソニックＩｐマネジメント株式会社 映像信号処理装置、映像表示システム、及び映像信号処理方法
JP7186374B2 (ja) 2017-10-04 2022-12-09 パナソニックＩｐマネジメント株式会社 映像信号処理装置、映像表示システム、及び映像信号処理方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212072A (en) * 1978-03-07 1980-07-08 Hughes Aircraft Company Digital scan converter with programmable transfer function
US4187519A (en) * 1978-08-17 1980-02-05 Rockwell International Corporation System for expanding the video contrast of an image
IL58119A (en) * 1979-08-27 1983-03-31 Yeda Res & Dev Histogram image enhancement system
JPS5661873A (en) * 1979-10-25 1981-05-27 Sony Corp Digital video signal processor
NL190093C (nl) * 1979-12-17 1993-10-18 Victor Company Of Japan Comprimeer- en expandeerstelsel.
US4335427A (en) * 1980-04-21 1982-06-15 Technicare Corporation Method of selecting a preferred difference image
US4445138A (en) * 1981-12-21 1984-04-24 Hughes Aircraft Company Real time dynamic range compression for image enhancement
US4435792A (en) * 1982-06-30 1984-03-06 Sun Microsystems, Inc. Raster memory manipulation apparatus
US4516167A (en) * 1982-11-30 1985-05-07 Rca Corporation Compression of the dynamic range of video signals
US4518994A (en) * 1982-12-20 1985-05-21 Rca Corporation Communication system compandor
JPS59163953A (ja) * 1983-03-08 1984-09-17 Canon Inc 画像処理装置
JPS59181876A (ja) * 1983-03-31 1984-10-16 Toshiba Corp 映像信号補正装置
US4575749A (en) * 1983-07-28 1986-03-11 Rca Corporation Component companding in a multiplexed component system
US4621290A (en) * 1984-04-12 1986-11-04 Rca Corporation Piecewise linear digital signal processor as for digital video vertical detail processing
US4771192A (en) * 1986-11-14 1988-09-13 The Grass Valley Group, Inc. Digital clip and gain circuit
GB2203012B (en) * 1987-03-30 1991-02-20 Sony Corp Differential pulse code modulation
JP2521183Y2 (ja) * 1987-09-29 1996-12-25 ソニー株式会社 ディジタル信号処理回路

Also Published As

Publication number Publication date
FI912127A0 (fi) 1991-05-02
CN1030028C (zh) 1995-10-11
FI912127A7 (fi) 1991-11-04
ATE131329T1 (de) 1995-12-15
CA2040760C (en) 1998-06-30
JP3208711B2 (ja) 2001-09-17
JPH05346803A (ja) 1993-12-27
CA2040760A1 (en) 1991-11-04
TR26793A (tr) 1994-08-08
EP0455426B1 (en) 1995-12-06
DE69115111D1 (de) 1996-01-18
CN1056204A (zh) 1991-11-13
EP0455426A2 (en) 1991-11-06
DE69115111T2 (de) 1996-07-11
KR910021155A (ko) 1991-12-20
FI912127L (fi) 1991-11-04
PT97557A (pt) 1993-05-31
PT97557B (pt) 1998-11-30
US5258928A (en) 1993-11-02
EP0455426A3 (en) 1992-03-11
MY112550A (en) 2001-07-31
KR100227245B1 (ko) 1999-11-01

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