ES8705178A1 - Perfeccionamientos introducidos en una instalacion de tratamiento de imagen. - Google Patents

Perfeccionamientos introducidos en una instalacion de tratamiento de imagen.

Info

Publication number
ES8705178A1
ES8705178A1 ES549482A ES549482A ES8705178A1 ES 8705178 A1 ES8705178 A1 ES 8705178A1 ES 549482 A ES549482 A ES 549482A ES 549482 A ES549482 A ES 549482A ES 8705178 A1 ES8705178 A1 ES 8705178A1
Authority
ES
Spain
Prior art keywords
image
coring
improved system
representing signal
ringing
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
Application number
ES549482A
Other languages
English (en)
Other versions
ES549482A0 (es
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 Corp
Original Assignee
RCA 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 Corp filed Critical RCA Corp
Publication of ES8705178A1 publication Critical patent/ES8705178A1/es
Publication of ES549482A0 publication Critical patent/ES549482A0/es
Expired 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
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration by the use of local operators
    • G06T5/70—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2200/00—Indexing scheme for image data processing or generation, in general
    • G06T2200/12—Indexing scheme for image data processing or generation, in general involving antialiasing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Picture Signal Circuits (AREA)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Glass Compositions (AREA)

Abstract

MODIFICACIONES EN UNA INSTALACION DE TRATAMIENTO DE IMAGEN. CONSISTENTES EN UN ANALIZADOR (200) DE ESPECTRO DE FRECUENCIA ESPACIAL; ELEMENTOS (202-1...202-N) DE DEPURACION QUE TIENEN APLICADA COMO ENTRADA A LOS MISMOS UNA SEÑAL CORRESPONDIENTE DE LAS SEÑALES (L0...LN-1) Y (GN) RESPECTIVAS DE LOS MEDIOS (202-1...202-N) DE DEPURACION QUE ESTAN APLICADAS A FILTROS CORRESPONDIENTES DEL GRUPO DE FILTROS (204-1...204-N) NO OSCILANTES Y NO GENERADORES DE SEÑALES ESPUREAS DE UN SINTETIZADOR (206) DE ESPECTRO, EL CUAL INCLUYE TAMBIEN UN SUMADOR (208). TIENEN UTILIDAD EN LA FABRICACION DE APARATOS RECEPTORES DE TELEVISION.
ES549482A 1983-11-01 1985-12-02 Perfeccionamientos introducidos en una instalacion de tratamiento de imagen. Expired ES8705178A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838329109A GB8329109D0 (en) 1983-11-01 1983-11-01 Perceived signal-to-noise ratio of displayed images

Publications (2)

Publication Number Publication Date
ES8705178A1 true ES8705178A1 (es) 1987-04-16
ES549482A0 ES549482A0 (es) 1987-04-16

Family

ID=10551030

Family Applications (2)

Application Number Title Priority Date Filing Date
ES537057A Expired ES8607661A1 (es) 1983-11-01 1984-10-25 Perfeccionamientos introducidos en una instalacion de tratamiento de imagen
ES549482A Expired ES8705178A1 (es) 1983-11-01 1985-12-02 Perfeccionamientos introducidos en una instalacion de tratamiento de imagen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES537057A Expired ES8607661A1 (es) 1983-11-01 1984-10-25 Perfeccionamientos introducidos en una instalacion de tratamiento de imagen

Country Status (11)

Country Link
US (1) US4523230A (es)
EP (1) EP0163660B1 (es)
JP (1) JPS60501685A (es)
KR (1) KR890004214B1 (es)
AU (1) AU560609B2 (es)
DE (1) DE3479075D1 (es)
ES (2) ES8607661A1 (es)
FI (1) FI79433C (es)
GB (1) GB8329109D0 (es)
IT (1) IT1206467B (es)
WO (1) WO1985002081A1 (es)

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US4709394A (en) * 1985-08-23 1987-11-24 Rca Corporation Multiplexed real-time pyramid signal processing system
US4703514A (en) * 1985-09-16 1987-10-27 Rca Corporation Programmed implementation of real-time multiresolution signal processing apparatus
US4672444A (en) * 1985-11-14 1987-06-09 Rca Corporation Method for transmitting a high-resolution image over a narrow-band communication channel
US4766487A (en) * 1986-08-13 1988-08-23 Sony Corporation Chrominance signal processing circuit
US4797942A (en) * 1987-03-02 1989-01-10 General Electric Pyramid processor for building large-area, high-resolution image by parts
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US5122873A (en) * 1987-10-05 1992-06-16 Intel Corporation Method and apparatus for selectively encoding and decoding a digital motion video signal at multiple resolution levels
US4829381A (en) * 1988-04-18 1989-05-09 Polaroid Corporation System and method for electronic image enhancement by dynamic pixel transformation
US5103306A (en) * 1990-03-28 1992-04-07 Transitions Research Corporation Digital image compression employing a resolution gradient
FR2661061B1 (fr) * 1990-04-11 1992-08-07 Multi Media Tech Procede et dispositif de modification de zone d'images.
US5130798A (en) * 1991-01-31 1992-07-14 Thomson Consumer Electronics, Inc. Dual band progressive television system with noise reduction
US5119195A (en) * 1991-01-31 1992-06-02 Thomson Consumer Electronics, Inc. Video noise reduction system employing plural frequency bands
JP2783696B2 (ja) * 1991-05-31 1998-08-06 シャープ株式会社 画質補正装置
JP3166173B2 (ja) * 1991-07-19 2001-05-14 プリンストン エレクトロニック ビルボード，インコーポレイテッド 選択および挿入された標章を有するテレビ表示
US5526446A (en) * 1991-09-24 1996-06-11 Massachusetts Institute Of Technology Noise reduction system
US5359674A (en) * 1991-12-11 1994-10-25 David Sarnoff Research Center, Inc. Pyramid processor integrated circuit
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US5717789A (en) * 1993-09-08 1998-02-10 California Institute Of Technology Image enhancement by non-linear extrapolation in frequency space
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US6633683B1 (en) 2000-06-26 2003-10-14 Miranda Technologies Inc. Apparatus and method for adaptively reducing noise in a noisy input image signal
US7119774B2 (en) * 2001-03-09 2006-10-10 Thomson Licensing Reducing sparkle artifacts with low brightness filtering
US7071909B2 (en) * 2001-03-09 2006-07-04 Thomson Licensing Reducing sparkle artifacts with low brightness processing
US20020126079A1 (en) * 2001-03-09 2002-09-12 Willis Donald Henry Reducing sparkle artifacts with low brightness slew rate limiting
US7495640B2 (en) * 2001-03-12 2009-02-24 Thomson Licensing Reducing sparkle artifacts with post gamma correction slew rate limiting
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US7535450B2 (en) * 2002-02-19 2009-05-19 Thomson Licensing Method and apparatus for sparkle reduction using a split lowpass filter arrangement
US20040150654A1 (en) * 2003-01-31 2004-08-05 Willis Donald Henry Sparkle reduction using a split gamma table
US7110044B2 (en) * 2003-03-27 2006-09-19 Samsung Electronics Co., Ltd. Image detail enhancement system
US7440633B2 (en) * 2003-12-19 2008-10-21 Sharp Laboratories Of America, Inc. Enhancing the quality of decoded quantized images
US7424166B2 (en) * 2003-12-24 2008-09-09 Sharp Laboratories Of America, Inc. Enhancing the quality of decoded quantized images
US7424168B2 (en) * 2003-12-24 2008-09-09 Sharp Laboratories Of America, Inc. Enhancing the quality of decoded quantized images
US7400779B2 (en) * 2004-01-08 2008-07-15 Sharp Laboratories Of America, Inc. Enhancing the quality of decoded quantized images
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US7768496B2 (en) * 2004-12-02 2010-08-03 Sharp Laboratories Of America, Inc. Methods and systems for image tonescale adjustment to compensate for a reduced source light power level
US8947465B2 (en) * 2004-12-02 2015-02-03 Sharp Laboratories Of America, Inc. Methods and systems for display-mode-dependent brightness preservation
US7800577B2 (en) * 2004-12-02 2010-09-21 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics
US8004511B2 (en) * 2004-12-02 2011-08-23 Sharp Laboratories Of America, Inc. Systems and methods for distortion-related source light management
US8922594B2 (en) * 2005-06-15 2014-12-30 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics with high frequency contrast enhancement
US7924261B2 (en) * 2004-12-02 2011-04-12 Sharp Laboratories Of America, Inc. Methods and systems for determining a display light source adjustment
US9083969B2 (en) * 2005-08-12 2015-07-14 Sharp Laboratories Of America, Inc. Methods and systems for independent view adjustment in multiple-view displays
US7782405B2 (en) * 2004-12-02 2010-08-24 Sharp Laboratories Of America, Inc. Systems and methods for selecting a display source light illumination level
US7961199B2 (en) * 2004-12-02 2011-06-14 Sharp Laboratories Of America, Inc. Methods and systems for image-specific tone scale adjustment and light-source control
US7515160B2 (en) * 2006-07-28 2009-04-07 Sharp Laboratories Of America, Inc. Systems and methods for color preservation with image tone scale corrections
US8120570B2 (en) 2004-12-02 2012-02-21 Sharp Laboratories Of America, Inc. Systems and methods for tone curve generation, selection and application
US7982707B2 (en) 2004-12-02 2011-07-19 Sharp Laboratories Of America, Inc. Methods and systems for generating and applying image tone scale adjustments
US8111265B2 (en) * 2004-12-02 2012-02-07 Sharp Laboratories Of America, Inc. Systems and methods for brightness preservation using a smoothed gain image
US8913089B2 (en) * 2005-06-15 2014-12-16 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics with frequency-specific gain
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US7839406B2 (en) * 2006-03-08 2010-11-23 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics with ambient illumination input
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US8345038B2 (en) * 2007-10-30 2013-01-01 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation and brightness preservation
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US9177509B2 (en) * 2007-11-30 2015-11-03 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation with scene-cut detection
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US8179363B2 (en) * 2007-12-26 2012-05-15 Sharp Laboratories Of America, Inc. Methods and systems for display source light management with histogram manipulation
US8203579B2 (en) * 2007-12-26 2012-06-19 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation with image characteristic mapping
US8531379B2 (en) * 2008-04-28 2013-09-10 Sharp Laboratories Of America, Inc. Methods and systems for image compensation for ambient conditions
US8416179B2 (en) 2008-07-10 2013-04-09 Sharp Laboratories Of America, Inc. Methods and systems for color preservation with a color-modulated backlight
US8120679B2 (en) 2008-08-01 2012-02-21 Nikon Corporation Image processing method
US9330630B2 (en) * 2008-08-30 2016-05-03 Sharp Laboratories Of America, Inc. Methods and systems for display source light management with rate change control
US8165724B2 (en) * 2009-06-17 2012-04-24 Sharp Laboratories Of America, Inc. Methods and systems for power-controlling display devices
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US20110074803A1 (en) * 2009-09-29 2011-03-31 Louis Joseph Kerofsky Methods and Systems for Ambient-Illumination-Selective Display Backlight Modification and Image Enhancement
AU2012202349B2 (en) * 2012-04-20 2015-07-30 Canon Kabushiki Kaisha Image resampling by frequency unwrapping
JP6354586B2 (ja) * 2012-11-13 2018-07-11 日本電気株式会社 ノイズ除去システムとノイズ除去方法及びプログラム
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Also Published As

Publication number Publication date
KR890004214B1 (ko) 1989-10-27
GB8329109D0 (en) 1983-12-07
DE3479075D1 (en) 1989-08-24
ES8607661A1 (es) 1986-05-16
EP0163660B1 (en) 1989-07-19
JPH0438188B2 (es) 1992-06-23
FI79433B (fi) 1989-08-31
FI79433C (fi) 1989-12-11
FI852489L (fi) 1985-06-24
ES537057A0 (es) 1986-05-16
JPS60501685A (ja) 1985-10-03
WO1985002081A1 (en) 1985-05-09
EP0163660A4 (en) 1986-03-18
IT1206467B (it) 1989-04-27
EP0163660A1 (en) 1985-12-11
US4523230A (en) 1985-06-11
FI852489A0 (fi) 1985-06-24
AU560609B2 (en) 1987-04-09
KR850700205A (ko) 1985-10-25
AU3508384A (en) 1985-05-22
IT8423399A0 (it) 1984-10-31
ES549482A0 (es) 1987-04-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20040224