HK94394A - Apparatus for noise reducing composite video signal - Google Patents
Apparatus for noise reducing composite video signalInfo
- 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
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)
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)
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)
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 |
-
1985
- 1985-11-01 US US06/793,734 patent/US4737850A/en not_active Expired - Fee Related
-
1986
- 1986-06-30 GB GB8615923A patent/GB2177872B/en not_active Expired
- 1986-07-02 JP JP61154289A patent/JP2534846B2/ja not_active Expired - Lifetime
- 1986-07-02 FR FR868609626A patent/FR2584553B1/fr not_active Expired - Fee Related
- 1986-07-02 DE DE3622204A patent/DE3622204C2/de not_active Expired - Fee Related
- 1986-07-03 KR KR1019860005376A patent/KR950007902B1/ko not_active IP Right Cessation
-
1992
- 1992-03-06 SG SG24092A patent/SG24092G/en unknown
-
1994
- 1994-09-08 HK HK94394A patent/HK94394A/xx not_active IP Right Cessation
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) |