DE3889948D1 - Koder und Dekoder mit einer Unter-Nyquist-Abtastung. - Google Patents
Koder und Dekoder mit einer Unter-Nyquist-Abtastung.Info
- Publication number
- DE3889948D1 DE3889948D1 DE3889948T DE3889948T DE3889948D1 DE 3889948 D1 DE3889948 D1 DE 3889948D1 DE 3889948 T DE3889948 T DE 3889948T DE 3889948 T DE3889948 T DE 3889948T DE 3889948 D1 DE3889948 D1 DE 3889948D1
- Authority
- DE
- Germany
- Prior art keywords
- decoder
- encoder
- sub
- nyquist
- scan
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62048127A JPS63215185A (ja) | 1987-03-03 | 1987-03-03 | サブナイキスト符号化装置および復号化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3889948D1 true DE3889948D1 (de) | 1994-07-14 |
DE3889948T2 DE3889948T2 (de) | 1995-02-23 |
Family
ID=12794659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3889948T Expired - Fee Related DE3889948T2 (de) | 1987-03-03 | 1988-03-02 | Koder und Dekoder mit einer Unter-Nyquist-Abtastung. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4868654A (de) |
EP (1) | EP0281387B1 (de) |
JP (1) | JPS63215185A (de) |
KR (1) | KR900008823B1 (de) |
DE (1) | DE3889948T2 (de) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5220583A (en) * | 1988-10-03 | 1993-06-15 | Motorola, Inc. | Digital fm demodulator with a reduced sampling rate |
JP2797393B2 (ja) * | 1989-04-10 | 1998-09-17 | キヤノン株式会社 | 記録再生装置 |
GB9006325D0 (en) * | 1990-03-21 | 1990-05-16 | Philips Electronic Associated | Maintaining video signals |
JPH03228488A (ja) * | 1990-02-01 | 1991-10-09 | Nippon Television Network Corp | テレビジョン方式 |
US5111295A (en) * | 1990-04-20 | 1992-05-05 | Chao Lee M | Method and system for high definition color TV compatible with existing TV sets, existing broadcasting channels and existing VCR equipment |
JPH043594A (ja) * | 1990-04-20 | 1992-01-08 | Hitachi Ltd | 信号補間装置 |
US5128759A (en) * | 1990-05-31 | 1992-07-07 | Sony Corporation | Video signal decoder |
US5021880A (en) * | 1990-06-13 | 1991-06-04 | Northern Telecom Limited | Digital video signal compression |
KR950008710B1 (ko) * | 1990-12-26 | 1995-08-04 | 삼성전자주식회사 | 필드간 내삽장치 |
US5274464A (en) * | 1991-02-20 | 1993-12-28 | Samsung Electronics Co. Ltd. | Spatial filter for improved VHS system |
TW208106B (de) * | 1991-02-20 | 1993-06-21 | Samsung Electronics Co Ltd | |
NL9101080A (nl) * | 1991-06-24 | 1993-01-18 | Koninkl Philips Electronics Nv | Inrichting voor het splitsen van een digitaal geinterlinieerd televisie signaal in componenten. |
GB2259421B (en) * | 1991-09-04 | 1995-01-18 | Sony Broadcast & Communication | Image data recording and transmission |
US5168375A (en) * | 1991-09-18 | 1992-12-01 | Polaroid Corporation | Image reconstruction by use of discrete cosine and related transforms |
KR0171366B1 (ko) * | 1991-10-28 | 1999-03-20 | 강진구 | 자동화질 보상회로 |
KR970002697B1 (ko) * | 1992-05-13 | 1997-03-08 | 마쯔시다덴기산교 가부시기가이샤 | 영상신호변환장치 |
KR100309358B1 (ko) * | 1992-07-30 | 2001-12-28 | 요트.게.아. 롤페즈 | 역방향재생모드에서텔레비젼프레임을디스플레이하는디바이스 |
JP3104439B2 (ja) * | 1992-11-13 | 2000-10-30 | ソニー株式会社 | 高能率符号化及び/又は復号化装置 |
KR0157665B1 (ko) * | 1993-09-20 | 1998-11-16 | 모리시타 요이찌 | 압축텔레비젼신호기록재생장치 |
US5570296A (en) * | 1994-03-30 | 1996-10-29 | Apple Computer, Inc. | System and method for synchronized presentation of video and audio signals |
US6181368B1 (en) | 1994-04-14 | 2001-01-30 | Asahi Kogaku Kogyo Kabushiki Kaisha | Electronic endoscope |
FR2735319B1 (fr) * | 1995-06-09 | 1997-07-18 | Telediffusion Fse | Insertion de donnees dans un signal d'image |
US6091940A (en) | 1998-10-21 | 2000-07-18 | Parkervision, Inc. | Method and system for frequency up-conversion |
US7515896B1 (en) | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US6049706A (en) | 1998-10-21 | 2000-04-11 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US6853690B1 (en) | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
JP4876048B2 (ja) * | 2007-09-21 | 2012-02-15 | 株式会社日立製作所 | 映像送受信方法、受信装置、映像蓄積装置 |
US20100135379A1 (en) * | 2008-12-02 | 2010-06-03 | Sensio Technologies Inc. | Method and system for encoding and decoding frames of a digital image stream |
US8169620B1 (en) | 2009-09-21 | 2012-05-01 | The United States Of America, As Represented By The Administrator Of The National Aeronautics And Space Administration | Sub-pixel spatial resolution wavefront phase imaging |
US9986202B2 (en) | 2016-03-28 | 2018-05-29 | Microsoft Technology Licensing, Llc | Spectrum pre-shaping in video |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1098674B (it) * | 1978-08-09 | 1985-09-07 | Alfa Romeo Spa | Dispositivo elettronico per il rilievo della velocita' di un organo rotante |
US4340940A (en) * | 1980-08-26 | 1982-07-20 | Rca Corporation | Hardware reduction by truncation of selected number of most significant bits for digital video system using subsampling and adaptive reconstruction |
US4320416A (en) * | 1980-10-15 | 1982-03-16 | Rca Corporation | Technique for optimally encoding digitally encoded video signals |
GB2126822B (en) * | 1982-07-30 | 1986-08-06 | British Broadcasting Corp | Video signal processing |
GB2138238B (en) * | 1983-03-02 | 1987-07-08 | British Broadcasting Corp | High definition video signal transmission |
US4605963A (en) * | 1983-08-15 | 1986-08-12 | Rca Corporation | Reduction of control bits for adaptive sub-nyquist encoder |
EP0163512B1 (de) * | 1984-05-29 | 1992-08-19 | General Electric Company | Raumzeitliche Signalverarbeitung mit Frequenzverkammung eines Fernsehsignals |
JPS6162286A (ja) * | 1984-09-04 | 1986-03-31 | Univ Nagoya | 画像信号帯域圧縮方式 |
DE3435265A1 (de) * | 1984-09-26 | 1986-04-03 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren zur aufloesungserhoehung fuer ein kompatibles fernsehsystem |
DE3443041A1 (de) * | 1984-11-26 | 1986-05-28 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur verbesserung der uebertragungsqualitaet von pcm-codierten bildsignalen |
JP2561070B2 (ja) * | 1985-06-14 | 1996-12-04 | 日本放送協会 | 適応型サブサンプル用フイルタ装置 |
US4716453A (en) * | 1985-06-20 | 1987-12-29 | At&T Bell Laboratories | Digital video transmission system |
GB8603880D0 (en) * | 1986-02-17 | 1986-03-26 | Indep Broadcasting Authority | Hybrid interpolative predictive code |
US4908697A (en) * | 1987-07-24 | 1990-03-13 | North American Philips Corporation | Two-line mac high definition television system |
-
1987
- 1987-03-03 JP JP62048127A patent/JPS63215185A/ja active Pending
-
1988
- 1988-02-29 US US07/161,928 patent/US4868654A/en not_active Expired - Lifetime
- 1988-03-02 EP EP19880301833 patent/EP0281387B1/de not_active Expired - Lifetime
- 1988-03-02 DE DE3889948T patent/DE3889948T2/de not_active Expired - Fee Related
- 1988-03-03 KR KR1019880002192A patent/KR900008823B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4868654A (en) | 1989-09-19 |
KR880012023A (ko) | 1988-10-31 |
EP0281387B1 (de) | 1994-06-08 |
JPS63215185A (ja) | 1988-09-07 |
KR900008823B1 (ko) | 1990-11-30 |
EP0281387A2 (de) | 1988-09-07 |
DE3889948T2 (de) | 1995-02-23 |
EP0281387A3 (en) | 1990-04-04 |
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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) | ||
8339 | Ceased/non-payment of the annual fee |