DE69603268D1 - Luminanz/chrominanz trennungsfilter mit gemeinsamen verzögerungselement - Google Patents
Luminanz/chrominanz trennungsfilter mit gemeinsamen verzögerungselementInfo
- Publication number
- DE69603268D1 DE69603268D1 DE69603268T DE69603268T DE69603268D1 DE 69603268 D1 DE69603268 D1 DE 69603268D1 DE 69603268 T DE69603268 T DE 69603268T DE 69603268 T DE69603268 T DE 69603268T DE 69603268 D1 DE69603268 D1 DE 69603268D1
- Authority
- DE
- Germany
- Prior art keywords
- luminance
- delay element
- separating filter
- common delay
- chrominance separating
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
- H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S348/00—Television
- Y10S348/908—Convertible circuits, e.g. y/c separation or noise reduction
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/423,710 US5519454A (en) | 1995-04-21 | 1995-04-21 | Luma/chroma separation filter with common delay element for comb filter separation and recursive noise reduction of composite video input signal |
PCT/US1996/005217 WO1996033578A1 (en) | 1995-04-21 | 1996-04-16 | Luma/chroma separation filter with common delay element |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69603268D1 true DE69603268D1 (de) | 1999-08-19 |
DE69603268T2 DE69603268T2 (de) | 1999-11-11 |
Family
ID=23679913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69603268T Expired - Lifetime DE69603268T2 (de) | 1995-04-21 | 1996-04-16 | Luminanz/chrominanz trennungsfilter mit gemeinsamen verzögerungselement |
Country Status (13)
Country | Link |
---|---|
US (1) | US5519454A (de) |
EP (1) | EP0821858B1 (de) |
JP (1) | JP3393649B2 (de) |
KR (1) | KR100388579B1 (de) |
CN (1) | CN1140998C (de) |
AU (1) | AU5485396A (de) |
DE (1) | DE69603268T2 (de) |
ES (1) | ES2133959T3 (de) |
MX (1) | MX9708123A (de) |
MY (1) | MY113601A (de) |
RU (1) | RU2156550C2 (de) |
TR (1) | TR199701214T1 (de) |
WO (1) | WO1996033578A1 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6122016A (en) * | 1994-11-14 | 2000-09-19 | U.S. Philips Corporation | Video signal processing |
JPH1023296A (ja) * | 1996-07-05 | 1998-01-23 | Canon Inc | 信号処理装置及び方法 |
US6349139B1 (en) * | 1997-06-17 | 2002-02-19 | Macrovision Corporation | Method and apparatus for minimizing chroma subcarrier instability caused by a video line scrambling system |
US7644282B2 (en) * | 1998-05-28 | 2010-01-05 | Verance Corporation | Pre-processed information embedding system |
US6912315B1 (en) * | 1998-05-28 | 2005-06-28 | Verance Corporation | Pre-processed information embedding system |
US6737957B1 (en) | 2000-02-16 | 2004-05-18 | Verance Corporation | Remote control signaling using audio watermarks |
JP2002033942A (ja) * | 2000-07-17 | 2002-01-31 | Sanyo Electric Co Ltd | 画像信号の雑音抑制方法及びこの雑音抑制方法を用いた画像信号処理装置 |
US20040028124A1 (en) * | 2002-07-30 | 2004-02-12 | Jukka Nuutinen | Method of operating a communications system and a communications system |
EP2782337A3 (de) | 2002-10-15 | 2014-11-26 | Verance Corporation | Media-Überwchung, Verwaltung und Informationssystem |
US20060125966A1 (en) * | 2003-06-20 | 2006-06-15 | Koninklijke Philips Electronics N.V. | Luminance and color separation |
US20060239501A1 (en) | 2005-04-26 | 2006-10-26 | Verance Corporation | Security enhancements of digital watermarks for multi-media content |
US8020004B2 (en) | 2005-07-01 | 2011-09-13 | Verance Corporation | Forensic marking using a common customization function |
US8781967B2 (en) | 2005-07-07 | 2014-07-15 | Verance Corporation | Watermarking in an encrypted domain |
US8049820B2 (en) * | 2007-08-06 | 2011-11-01 | Mediatek Inc. | Video processing circuits and methods using same buffer for video decoder and cross color suppressor |
GB2460418B (en) * | 2008-05-28 | 2010-04-14 | Mirics Semiconductor Ltd | Broadcast receiver system |
US8259938B2 (en) | 2008-06-24 | 2012-09-04 | Verance Corporation | Efficient and secure forensic marking in compressed |
KR20100101426A (ko) * | 2009-03-09 | 2010-09-17 | 삼성전자주식회사 | 영상처리장치 및 그 제어 방법 |
US20100231799A1 (en) * | 2009-03-10 | 2010-09-16 | Mediatek, Inc. | Method and apparatus for reducing color noises |
US8838977B2 (en) | 2010-09-16 | 2014-09-16 | Verance Corporation | Watermark extraction and content screening in a networked environment |
US8923548B2 (en) | 2011-11-03 | 2014-12-30 | Verance Corporation | Extraction of embedded watermarks from a host content using a plurality of tentative watermarks |
US8615104B2 (en) | 2011-11-03 | 2013-12-24 | Verance Corporation | Watermark extraction based on tentative watermarks |
US8533481B2 (en) | 2011-11-03 | 2013-09-10 | Verance Corporation | Extraction of embedded watermarks from a host content based on extrapolation techniques |
US8682026B2 (en) | 2011-11-03 | 2014-03-25 | Verance Corporation | Efficient extraction of embedded watermarks in the presence of host content distortions |
US8745403B2 (en) | 2011-11-23 | 2014-06-03 | Verance Corporation | Enhanced content management based on watermark extraction records |
US9547753B2 (en) | 2011-12-13 | 2017-01-17 | Verance Corporation | Coordinated watermarking |
US9323902B2 (en) | 2011-12-13 | 2016-04-26 | Verance Corporation | Conditional access using embedded watermarks |
US9571606B2 (en) | 2012-08-31 | 2017-02-14 | Verance Corporation | Social media viewing system |
US20140075469A1 (en) | 2012-09-13 | 2014-03-13 | Verance Corporation | Content distribution including advertisements |
US8869222B2 (en) | 2012-09-13 | 2014-10-21 | Verance Corporation | Second screen content |
US8726304B2 (en) | 2012-09-13 | 2014-05-13 | Verance Corporation | Time varying evaluation of multimedia content |
US9262793B2 (en) | 2013-03-14 | 2016-02-16 | Verance Corporation | Transactional video marking system |
US9251549B2 (en) | 2013-07-23 | 2016-02-02 | Verance Corporation | Watermark extractor enhancements based on payload ranking |
US9208334B2 (en) | 2013-10-25 | 2015-12-08 | Verance Corporation | Content management using multiple abstraction layers |
KR101731770B1 (ko) | 2014-03-13 | 2017-04-28 | 베란스 코오포레이션 | 임베디드 코드를 사용한 양방향 콘텐츠 획득 |
CN106937097B (zh) * | 2017-03-01 | 2018-12-25 | 奇酷互联网络科技(深圳)有限公司 | 一种图像处理方法、系统及移动终端 |
US10645337B1 (en) * | 2019-04-30 | 2020-05-05 | Analong Devices International Unlimited Company | Video line inversion for reducing impact of periodic interference signals on analog video transmission |
US11736815B2 (en) | 2020-12-15 | 2023-08-22 | Analog Devices International Unlimited Company | Interferer removal for reducing impact of periodic interference signals on analog video transmission |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54127623A (en) * | 1978-03-27 | 1979-10-03 | Nec Corp | S/n improving device for television video signal |
JPS60121885A (ja) * | 1983-12-05 | 1985-06-29 | Victor Co Of Japan Ltd | 映像信号の雑音低減回路 |
JPH0695767B2 (ja) * | 1985-09-26 | 1994-11-24 | 日本電気ホームエレクトロニクス株式会社 | 高画質テレビジヨンy/c分離装置 |
US4786963A (en) * | 1987-06-26 | 1988-11-22 | Rca Licensing Corporation | Adaptive Y/C separation apparatus for TV signals |
JPH0497686A (ja) * | 1990-08-15 | 1992-03-30 | Matsushita Electric Ind Co Ltd | Y/c分離フィルター一体型ノイズ軽減回路 |
US5241375A (en) * | 1991-06-26 | 1993-08-31 | Thomson Consumer Electronics, Inc. | Chrominance noise reduction apparatus employing two-dimensional recursive filtering of multiplexed baseband color difference components |
-
1995
- 1995-04-21 US US08/423,710 patent/US5519454A/en not_active Expired - Lifetime
-
1996
- 1996-04-16 WO PCT/US1996/005217 patent/WO1996033578A1/en active IP Right Grant
- 1996-04-16 JP JP53184096A patent/JP3393649B2/ja not_active Expired - Fee Related
- 1996-04-16 KR KR1019970707473A patent/KR100388579B1/ko not_active IP Right Cessation
- 1996-04-16 EP EP96911773A patent/EP0821858B1/de not_active Expired - Lifetime
- 1996-04-16 RU RU97119053/09A patent/RU2156550C2/ru not_active IP Right Cessation
- 1996-04-16 AU AU54853/96A patent/AU5485396A/en not_active Abandoned
- 1996-04-16 TR TR97/01214T patent/TR199701214T1/xx unknown
- 1996-04-16 ES ES96911773T patent/ES2133959T3/es not_active Expired - Lifetime
- 1996-04-16 CN CNB961946954A patent/CN1140998C/zh not_active Expired - Fee Related
- 1996-04-16 MX MX9708123A patent/MX9708123A/es unknown
- 1996-04-16 DE DE69603268T patent/DE69603268T2/de not_active Expired - Lifetime
- 1996-04-19 MY MYPI96001511A patent/MY113601A/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPH11504174A (ja) | 1999-04-06 |
DE69603268T2 (de) | 1999-11-11 |
EP0821858B1 (de) | 1999-07-14 |
MX9708123A (es) | 1998-04-30 |
TR199701214T1 (xx) | 1998-02-21 |
EP0821858A1 (de) | 1998-02-04 |
US5519454A (en) | 1996-05-21 |
WO1996033578A1 (en) | 1996-10-24 |
RU2156550C2 (ru) | 2000-09-20 |
JP3393649B2 (ja) | 2003-04-07 |
ES2133959T3 (es) | 1999-09-16 |
CN1187925A (zh) | 1998-07-15 |
MY113601A (en) | 2002-04-30 |
AU5485396A (en) | 1996-11-07 |
KR19990007950A (ko) | 1999-01-25 |
CN1140998C (zh) | 2004-03-03 |
KR100388579B1 (ko) | 2003-11-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
R082 | Change of representative |
Ref document number: 821858 Country of ref document: EP Representative=s name: MANFRED ROSSMANITH, DE |