HK94394A - Apparatus for noise reducing composite video signal - Google Patents

Apparatus for noise reducing composite video signal

Info

Publication number
HK94394A
HK94394A HK94394A HK94394A HK94394A HK 94394 A HK94394 A HK 94394A HK 94394 A HK94394 A HK 94394A HK 94394 A HK94394 A HK 94394A HK 94394 A HK94394 A HK 94394A
Authority
HK
Hong Kong
Prior art keywords
video signal
composite video
noise reducing
reducing composite
noise
Prior art date
Application number
HK94394A
Other languages
English (en)
Inventor
Chung Hsin Lu
Alfonse Acampora
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
Publication of HK94394A publication Critical patent/HK94394A/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Studio Circuits (AREA)
  • Television Systems (AREA)
HK94394A 1985-07-03 1994-09-08 Apparatus for noise reducing composite video signal HK94394A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75168185A 1985-07-03 1985-07-03
US06/793,734 US4737850A (en) 1985-07-03 1985-11-01 Apparatus for noise reducing composite video signal

Publications (1)

Publication Number Publication Date
HK94394A true HK94394A (en) 1994-09-16

Family

ID=27115447

Family Applications (1)

Application Number Title Priority Date Filing Date
HK94394A HK94394A (en) 1985-07-03 1994-09-08 Apparatus for noise reducing composite video signal

Country Status (8)

Country Link
US (1) US4737850A (xx)
JP (1) JP2534846B2 (xx)
KR (1) KR950007902B1 (xx)
DE (1) DE3622204C2 (xx)
FR (1) FR2584553B1 (xx)
GB (1) GB2177872B (xx)
HK (1) HK94394A (xx)
SG (1) SG24092G (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63232577A (ja) * 1987-03-19 1988-09-28 Sony Corp ノイズ低減回路
JPH01248893A (ja) * 1988-03-30 1989-10-04 Toshiba Corp 雑音除去装置
US4941046A (en) * 1988-07-22 1990-07-10 Sony Corporation Signal processing circuit for a moving detection circuit which includes coefficient generator wherein a number of delay devices are connected in series with the first one receiving the output of a moving detection circuit and including a time base filter
JP2827328B2 (ja) * 1989-09-28 1998-11-25 ソニー株式会社 映像信号処理装置
DE4013474C2 (de) * 1990-04-27 1995-10-12 Broadcast Television Syst Anordnung zur Reduktion von Rauschen in einem Videosignal
JP2934036B2 (ja) * 1991-03-07 1999-08-16 松下電器産業株式会社 動き検出方法およびノイズ低減装置
DE4143179A1 (de) * 1991-12-30 1993-07-01 Broadcast Television Syst Verfahren zur reduktion von rauschen
US5384865A (en) * 1992-06-01 1995-01-24 Eastman Kodak Company Adaptive, hybrid median filter for temporal noise suppression
GB9307433D0 (en) * 1993-04-08 1993-06-02 Snell & Wilcox Ltd Video signal processing
FI95977C (fi) * 1994-02-25 1996-04-10 Nokia Telecommunications Oy Verkkojärjestely
US5442407A (en) * 1994-03-22 1995-08-15 Matsushita Electric Corporation Of America Video signal noise reduction system using time-varying filter coefficients
US5872602A (en) * 1995-12-13 1999-02-16 Johnson; Robert E. Fluoroscopic imaging system with image enhancement apparatus and method
GB9607668D0 (en) * 1996-04-12 1996-06-12 Snell & Wilcox Ltd Video noise reducer
JP2002184502A (ja) 2000-12-18 2002-06-28 Jst Mfg Co Ltd 電気コネクタ
JP4214501B2 (ja) 2000-12-18 2009-01-28 日本圧着端子製造株式会社 電気コネクタ
JP5473555B2 (ja) * 2009-11-20 2014-04-16 三菱電機株式会社 撮像装置
US10909706B1 (en) 2017-06-02 2021-02-02 Apple Inc. Robust hardware efficient disparity estimation using total-variation L1 regularization

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469101A (en) * 1973-03-23 1977-03-30 Dolby Laboratories Inc Noise reduction systems
GB1515551A (en) * 1975-04-25 1978-06-28 British Broadcasting Corp Noise reduction in electrical signals
US4240106A (en) * 1976-10-14 1980-12-16 Micro Consultants, Limited Video noise reduction
GB1594341A (en) * 1976-10-14 1981-07-30 Micro Consultants Ltd Picture information processing system for television
US4064530A (en) * 1976-11-10 1977-12-20 Cbs Inc. Noise reduction system for color television
FR2387557A1 (fr) * 1977-04-14 1978-11-10 Telediffusion Fse Systemes de reduction de visibilite du bruit sur des images de television
JPS5510228A (en) * 1978-07-05 1980-01-24 Nec Corp S/n improving unit for television video signal
JPS592227B2 (ja) * 1978-08-21 1984-01-17 株式会社日立製作所 雑音除去方式
US4275418A (en) * 1978-09-14 1981-06-23 Micro Consultants Limited Video noise reduction systems
US4291333A (en) * 1979-05-22 1981-09-22 Fernseh Inc. Noise filter
US4392123A (en) * 1980-06-02 1983-07-05 The Dindima Group Pty. Ltd. Signal-to-noise improving system
US4390894A (en) * 1980-08-20 1983-06-28 U.S. Philips Corporation Noise suppression circuit for a video signal
US4393396A (en) * 1980-08-20 1983-07-12 U.S. Philips Corporation Video signal processing circuit for noise reduction
DE3121597C3 (de) * 1981-05-30 1993-09-30 Bosch Gmbh Robert System zur Verminderung des Rauschens in einem Fernseh-Bildsignal
US4682251A (en) * 1984-03-21 1987-07-21 Victor Company Of Japan, Ltd. Video signal reproducing apparatus having a noise reduction circuit
US4636841A (en) * 1984-05-31 1987-01-13 Rca Corporation Field comb for luminance separation of NTSC signals
US4639784A (en) * 1985-02-19 1987-01-27 Rca Corporation Video signal recursive filter adaptively controlled responsive to the history of image motion

Also Published As

Publication number Publication date
US4737850A (en) 1988-04-12
FR2584553B1 (fr) 1992-01-10
GB2177872A (en) 1987-01-28
JP2534846B2 (ja) 1996-09-18
SG24092G (en) 1992-05-15
DE3622204A1 (de) 1987-01-08
GB2177872B (en) 1989-09-20
JPS6212281A (ja) 1987-01-21
FR2584553A1 (fr) 1987-01-09
GB8615923D0 (en) 1986-08-06
DE3622204C2 (de) 1997-01-16
KR870001730A (ko) 1987-03-17
KR950007902B1 (ko) 1995-07-21

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)