IT1151062B - Complesso per il miglioramento dei dettagli di una immagine in un sistema di intensificazione dei dettagli verticali - Google Patents

Complesso per il miglioramento dei dettagli di una immagine in un sistema di intensificazione dei dettagli verticali

Info

Publication number
IT1151062B
IT1151062B IT21902/80A IT2190280A IT1151062B IT 1151062 B IT1151062 B IT 1151062B IT 21902/80 A IT21902/80 A IT 21902/80A IT 2190280 A IT2190280 A IT 2190280A IT 1151062 B IT1151062 B IT 1151062B
Authority
IT
Italy
Prior art keywords
complex
details
improving
image
vertical detail
Prior art date
Application number
IT21902/80A
Other languages
English (en)
Other versions
IT8021902A0 (it
Inventor
Joseph Peter Bingham
William Adamson Lagoni
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 IT8021902A0 publication Critical patent/IT8021902A0/it
Application granted granted Critical
Publication of IT1151062B publication Critical patent/IT1151062B/it

Links

Classifications

    • 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
IT21902/80A 1979-05-11 1980-05-08 Complesso per il miglioramento dei dettagli di una immagine in un sistema di intensificazione dei dettagli verticali IT1151062B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/038,204 US4223340A (en) 1979-05-11 1979-05-11 Image detail improvement in a vertical detail enhancement system

Publications (2)

Publication Number Publication Date
IT8021902A0 IT8021902A0 (it) 1980-05-08
IT1151062B true IT1151062B (it) 1986-12-17

Family

ID=21898640

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21902/80A IT1151062B (it) 1979-05-11 1980-05-08 Complesso per il miglioramento dei dettagli di una immagine in un sistema di intensificazione dei dettagli verticali

Country Status (8)

Country Link
US (1) US4223340A (it)
JP (1) JPS55153491A (it)
CA (1) CA1143829A (it)
DE (1) DE3017932C2 (it)
FR (1) FR2456443B1 (it)
GB (1) GB2049349B (it)
IT (1) IT1151062B (it)
MY (1) MY8500727A (it)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
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US4245237A (en) * 1979-05-11 1981-01-13 Rca Corporation Controllable non-linear processing of video signals
US4393396A (en) * 1980-08-20 1983-07-12 U.S. Philips Corporation Video signal processing circuit for noise reduction
US4445152A (en) * 1980-09-02 1984-04-24 Karlock James A Video detail enhancing circuit
US4402006A (en) * 1981-02-23 1983-08-30 Karlock James A Image enhancer apparatus
US4365266A (en) * 1981-04-20 1982-12-21 Rca Corporation Horizontal and vertical image detail processing of a color television signal
JPS5896460A (ja) * 1981-12-03 1983-06-08 Sony Corp テレビ受像機
US4916526A (en) * 1986-01-31 1990-04-10 Yves C. Faroudja Bandwidth control for chrominance and luminance paths in quadrature modulated color television system
GB2370933A (en) * 2001-01-09 2002-07-10 Sony Uk Ltd Detecting and reducing visibility of scratches in images.
US7440633B2 (en) * 2003-12-19 2008-10-21 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
US7424166B2 (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
US7782405B2 (en) * 2004-12-02 2010-08-24 Sharp Laboratories Of America, Inc. Systems and methods for selecting a display source light illumination level
US7800577B2 (en) * 2004-12-02 2010-09-21 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics
US8947465B2 (en) 2004-12-02 2015-02-03 Sharp Laboratories Of America, Inc. Methods and systems for display-mode-dependent brightness preservation
US7924261B2 (en) 2004-12-02 2011-04-12 Sharp Laboratories Of America, Inc. Methods and systems for determining a display light source adjustment
US8120570B2 (en) 2004-12-02 2012-02-21 Sharp Laboratories Of America, Inc. Systems and methods for tone curve generation, selection and application
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
US8913089B2 (en) 2005-06-15 2014-12-16 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics with frequency-specific gain
US8111265B2 (en) 2004-12-02 2012-02-07 Sharp Laboratories Of America, Inc. Systems and methods for brightness preservation using a smoothed gain image
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
US7515160B2 (en) * 2006-07-28 2009-04-07 Sharp Laboratories Of America, Inc. Systems and methods for color preservation with image tone scale corrections
US7982707B2 (en) 2004-12-02 2011-07-19 Sharp Laboratories Of America, Inc. Methods and systems for generating and applying image tone scale adjustments
US8004511B2 (en) 2004-12-02 2011-08-23 Sharp Laboratories Of America, Inc. Systems and methods for distortion-related source light management
US9083969B2 (en) * 2005-08-12 2015-07-14 Sharp Laboratories Of America, Inc. Methods and systems for independent view adjustment in multiple-view displays
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
US7839406B2 (en) 2006-03-08 2010-11-23 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics with ambient illumination input
US7826681B2 (en) 2007-02-28 2010-11-02 Sharp Laboratories Of America, Inc. Methods and systems for surround-specific display modeling
US8345038B2 (en) 2007-10-30 2013-01-01 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation and brightness preservation
US8155434B2 (en) 2007-10-30 2012-04-10 Sharp Laboratories Of America, Inc. Methods and systems for image enhancement
US9177509B2 (en) 2007-11-30 2015-11-03 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation with scene-cut detection
US8378956B2 (en) 2007-11-30 2013-02-19 Sharp Laboratories Of America, Inc. Methods and systems for weighted-error-vector-based source light selection
US8203579B2 (en) * 2007-12-26 2012-06-19 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation with image characteristic mapping
US8223113B2 (en) 2007-12-26 2012-07-17 Sharp Laboratories Of America, Inc. Methods and systems for display source light management with variable delay
US8169431B2 (en) 2007-12-26 2012-05-01 Sharp Laboratories Of America, Inc. Methods and systems for image tonescale design
US8179363B2 (en) 2007-12-26 2012-05-15 Sharp Laboratories Of America, Inc. Methods and systems for display source light management with histogram manipulation
US8207932B2 (en) 2007-12-26 2012-06-26 Sharp Laboratories Of America, Inc. Methods and systems for display source light illumination level selection
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
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
US20110074803A1 (en) * 2009-09-29 2011-03-31 Louis Joseph Kerofsky Methods and Systems for Ambient-Illumination-Selective Display Backlight Modification and Image Enhancement
US8761537B2 (en) * 2011-05-27 2014-06-24 Vixs Systems, Inc. Adaptive edge enhancement
CN109978782A (zh) * 2019-03-18 2019-07-05 新疆大学 一种数字全息再现图像中散斑噪声的去除方法及装置

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Publication number Priority date Publication date Assignee Title
DE2053513C3 (de) * 1970-10-31 1975-08-14 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Anordnung zur Vermeidung des Auflösungsverlustes in Vertikalrichtung eines Farbfernsehbildes
US3715477A (en) * 1971-03-11 1973-02-06 Rca Corp Video signal noise-limiting apparatus
GB1465805A (en) * 1974-06-11 1977-03-02 Matsushita Electric Corp Automatic picture sharpness control
US4074321A (en) * 1976-10-12 1978-02-14 The Magnavox Company Circuit for separating chroma and luminance information in a composite video signal
US4096516A (en) * 1977-03-25 1978-06-20 Rca Corporation Electronic signal processing apparatus

Also Published As

Publication number Publication date
GB2049349A (en) 1980-12-17
DE3017932A1 (de) 1980-11-20
GB2049349B (en) 1983-04-27
IT8021902A0 (it) 1980-05-08
MY8500727A (en) 1985-12-31
CA1143829A (en) 1983-03-29
DE3017932C2 (de) 1983-01-05
FR2456443B1 (fr) 1985-11-08
FR2456443A1 (fr) 1980-12-05
US4223340A (en) 1980-09-16
JPS55153491A (en) 1980-11-29

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