KR920000433B1 - Digital noise reducer - Google Patents
Digital noise reducerInfo
- Publication number
- KR920000433B1 KR920000433B1 KR8812196A KR880012196A KR920000433B1 KR 920000433 B1 KR920000433 B1 KR 920000433B1 KR 8812196 A KR8812196 A KR 8812196A KR 880012196 A KR880012196 A KR 880012196A KR 920000433 B1 KR920000433 B1 KR 920000433B1
- Authority
- KR
- South Korea
- Prior art keywords
- digital noise
- noise reducer
- reducer
- digital
- noise
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
-
- 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62236289A JP2543535B2 (ja) | 1987-09-22 | 1987-09-22 | デイジタルノイズリデユ―サ |
JP62-236289 | 1987-09-22 | ||
JP63-44154 | 1988-02-29 | ||
JP63044154A JPH01220581A (ja) | 1988-02-29 | 1988-02-29 | ノイズリデユーサ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890005726A KR890005726A (ko) | 1989-05-16 |
KR920000433B1 true KR920000433B1 (en) | 1992-01-13 |
Family
ID=26384002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR8812196A KR920000433B1 (en) | 1987-09-22 | 1988-09-21 | Digital noise reducer |
Country Status (2)
Country | Link |
---|---|
US (1) | US4926361A (ko) |
KR (1) | KR920000433B1 (ko) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2222053B (en) * | 1988-08-17 | 1993-03-31 | Topexpress Ltd | Signal processing means for sensing a periodic signal in the presence of another interfering periodic noise |
US5144434A (en) * | 1989-07-13 | 1992-09-01 | Canon Kabushiki Kaisha | Video signal processing device using look-up table |
JPH0722341B2 (ja) * | 1989-09-25 | 1995-03-08 | 大日本スクリーン製造株式会社 | 偽画像除去方法 |
EP0472764B1 (de) * | 1990-08-30 | 1996-03-06 | Deutsche ITT Industries GmbH | Verfahren zur Reduktion des Farbrauschens eines Fernsehsignals |
JPH0767176B2 (ja) * | 1990-11-28 | 1995-07-19 | 松下電器産業株式会社 | 符号化雑音除去フィルタ |
DE4105516C2 (de) * | 1991-02-22 | 1995-11-16 | Hell Ag Linotype | Verfahren und Vorrichtung zur verbesserten Wiedergabe von Konturen |
JP3327397B2 (ja) * | 1991-03-12 | 2002-09-24 | ソニー株式会社 | 偏向補正波形発生回路 |
US5287174A (en) * | 1991-04-05 | 1994-02-15 | Sanyo Electric Co., Ltd. | Vertical resolution correcting circuit for video signal |
DE4137404C2 (de) * | 1991-11-14 | 1997-07-10 | Philips Broadcast Television S | Verfahren zur Reduktion von Rauschen |
JP3139798B2 (ja) * | 1991-12-10 | 2001-03-05 | 株式会社東芝 | 信号ノイズ低減装置 |
US5325203A (en) * | 1992-04-16 | 1994-06-28 | Sony Corporation | Adaptively controlled noise reduction device for producing a continuous output |
DE4239396C1 (de) * | 1992-11-24 | 1994-02-24 | Itt Ind Gmbh Deutsche | Verfahren zur Erzeugung eines modifizierten Videosignals |
US5469364A (en) * | 1993-03-15 | 1995-11-21 | Hughey; Bradley W. | Apparatus and methods for measuring and detecting variations in the value of a capacitor |
US5574512A (en) * | 1994-08-15 | 1996-11-12 | Thomson Consumer Electronics, Inc. | Motion adaptive video noise reduction system |
JP3334500B2 (ja) * | 1996-06-17 | 2002-10-15 | ソニー株式会社 | ノイズリデューサおよびビデオ信号処理装置 |
KR100615839B1 (ko) * | 1998-10-26 | 2006-08-25 | 소니 가부시끼 가이샤 | 화상 처리 장치, 화상 처리 방법, 학습 장치 및 학습 방법 |
JP4365555B2 (ja) * | 2002-01-22 | 2009-11-18 | 株式会社日立製作所 | 画像記録装置 |
CN1998227A (zh) * | 2004-08-10 | 2007-07-11 | 汤姆逊许可公司 | 用于指示视频中运动的检测度的设备和方法 |
US7769089B1 (en) | 2004-12-02 | 2010-08-03 | Kolorific, Inc. | Method and system for reducing noise level in a video signal |
WO2007116514A1 (ja) * | 2006-04-07 | 2007-10-18 | Mitsubishi Denki Kabushiki Kaisha | ノイズ除去装置及びノイズ除去方法 |
KR101145090B1 (ko) | 2009-02-26 | 2012-05-11 | 주식회사 엘지화학 | 파울링이 저감된 폴리올레핀의 제조방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4009334A (en) * | 1976-03-17 | 1977-02-22 | Eastman Kodak Company | Video noise reduction circuit |
US4112499A (en) * | 1977-03-17 | 1978-09-05 | United Technologies Corporation | Digital transient discriminator with noise spike clipping |
US4684976A (en) * | 1985-04-18 | 1987-08-04 | Mitsubishi Denki Kabushiki Kaisha | Feedback comb-type filter |
NL8501956A (nl) * | 1985-07-09 | 1987-02-02 | Philips Nv | Beeldherstelschakeling. |
JPS6258793A (ja) * | 1985-09-03 | 1987-03-14 | Victor Co Of Japan Ltd | テレビジヨン信号の同時化回路 |
US4750037A (en) * | 1985-10-07 | 1988-06-07 | Victor Company Of Japan, Ltd. | Noise reduction system for video signal |
JPH0822022B2 (ja) * | 1987-02-13 | 1996-03-04 | 日本ビクター株式会社 | ノイズリデューサ |
JPS63222589A (ja) * | 1987-03-12 | 1988-09-16 | Toshiba Corp | ノイズ低減回路 |
-
1988
- 1988-09-16 US US07/245,208 patent/US4926361A/en not_active Expired - Lifetime
- 1988-09-21 KR KR8812196A patent/KR920000433B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR890005726A (ko) | 1989-05-16 |
US4926361A (en) | 1990-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
NORF | Unpaid initial registration fee |