DE69132646D1 - System und Methode zum Kodieren von Videosignalen - Google Patents
System und Methode zum Kodieren von VideosignalenInfo
- Publication number
- DE69132646D1 DE69132646D1 DE69132646T DE69132646T DE69132646D1 DE 69132646 D1 DE69132646 D1 DE 69132646D1 DE 69132646 T DE69132646 T DE 69132646T DE 69132646 T DE69132646 T DE 69132646T DE 69132646 D1 DE69132646 D1 DE 69132646D1
- Authority
- DE
- Germany
- Prior art keywords
- video signals
- coding video
- coding
- signals
- video
- 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
- 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
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- 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
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2044846A JPH03247191A (ja) | 1990-02-26 | 1990-02-26 | 映像信号符号化方法 |
JP2047521A JPH03250811A (ja) | 1990-02-28 | 1990-02-28 | フイルタ回路 |
JP04753190A JP3154254B2 (ja) | 1990-02-28 | 1990-02-28 | 画像データ符号化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69132646D1 true DE69132646D1 (de) | 2001-08-02 |
DE69132646T2 DE69132646T2 (de) | 2002-04-25 |
Family
ID=27292045
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69132646T Expired - Lifetime DE69132646T2 (de) | 1990-02-26 | 1991-02-25 | System und Methode zum Kodieren von Videosignalen |
DE69130076T Expired - Lifetime DE69130076T2 (de) | 1990-02-26 | 1991-02-25 | Videosignalübertragungssystem und -verfahren zur Kodierung von Videosignalen |
DE69133024T Expired - Lifetime DE69133024T2 (de) | 1990-02-26 | 1991-02-25 | System und Methode zur Kodierung von Videosignalen |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69130076T Expired - Lifetime DE69130076T2 (de) | 1990-02-26 | 1991-02-25 | Videosignalübertragungssystem und -verfahren zur Kodierung von Videosignalen |
DE69133024T Expired - Lifetime DE69133024T2 (de) | 1990-02-26 | 1991-02-25 | System und Methode zur Kodierung von Videosignalen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5164828A (de) |
EP (3) | EP0739143B1 (de) |
KR (1) | KR100248692B1 (de) |
DE (3) | DE69132646T2 (de) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2514115B2 (ja) * | 1991-02-15 | 1996-07-10 | 株式会社グラフィックス・コミュニケーション・テクノロジーズ | 画像信号符号化装置 |
DE4118571A1 (de) * | 1991-06-06 | 1992-12-10 | Philips Patentverwaltung | Vorrichtung zur steuerung des quantisierers eines hybrid-kodierers |
US5357281A (en) * | 1991-11-07 | 1994-10-18 | Canon Kabushiki Kaisha | Image processing apparatus and terminal apparatus |
SE468737B (sv) * | 1991-11-15 | 1993-03-08 | Televerket | Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren |
SE468736B (sv) * | 1991-11-15 | 1993-03-08 | Televerket | Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter |
JP3241778B2 (ja) * | 1991-12-24 | 2001-12-25 | ソニー株式会社 | 符号化装置 |
JPH05236465A (ja) * | 1992-02-24 | 1993-09-10 | Sony Corp | ビデオ信号の伝送方法 |
FR2688369B1 (fr) * | 1992-03-03 | 1996-02-09 | Thomson Csf | Procede de codage d'images a tres bas debit et dispositif de codage-decodage mettant en óoeuvre ce procede. |
JP3093499B2 (ja) * | 1992-03-06 | 2000-10-03 | 三菱電機株式会社 | シーンチェンジ検出装置 |
CA2133459A1 (en) * | 1992-04-01 | 1993-10-14 | Michael Keith | Method and apparatus for compressing and decompressing a sequence of digital video images using sync frames |
DE69334116T2 (de) | 1992-06-09 | 2007-08-30 | Canon K.K. | Kodierungsvorrichtung |
KR0166716B1 (ko) * | 1992-06-18 | 1999-03-20 | 강진구 | 블럭 dpcm을 이용한 부호화/복호화방법 및 장치 |
JPH0622301A (ja) * | 1992-06-30 | 1994-01-28 | Sony Corp | 画像符号化装置 |
JP2871316B2 (ja) * | 1992-07-10 | 1999-03-17 | 日本ビクター株式会社 | 動画像符号化装置 |
CA2106331C (en) * | 1992-09-17 | 1998-08-25 | Noboru Kawayachi | Adaptive prediction encoding device which can effectively refresh an encoded signal with an encoding efficiency kept high |
JP3341781B2 (ja) * | 1992-12-15 | 2002-11-05 | ソニー株式会社 | 画像復号化装置および画像符号化装置 |
US5861921A (en) * | 1993-03-29 | 1999-01-19 | Canon Kabushiki Kaisha | Controlling quantization parameters based on code amount |
US5389965A (en) * | 1993-04-01 | 1995-02-14 | At&T Corp. | Video telephone station having variable image clarity |
JP2902284B2 (ja) * | 1993-11-12 | 1999-06-07 | ケイディディ株式会社 | 動画像の符号化装置 |
US5592226A (en) * | 1994-01-26 | 1997-01-07 | Btg Usa Inc. | Method and apparatus for video data compression using temporally adaptive motion interpolation |
DE69524896T2 (de) * | 1994-03-25 | 2002-11-14 | Nec Corp., Tokio/Tokyo | Wiedergabe von Videobildern mit erhöhter Geschwindigkeit |
US5805223A (en) * | 1994-05-25 | 1998-09-08 | Canon Kk | Image encoding apparatus having an intrapicture encoding mode and interpicture encoding mode |
US5872597A (en) * | 1994-08-26 | 1999-02-16 | Kabushiki Kaisha Toshiba | System for decoding moving picture signal multiplied and coded by DCT coefficient and additional data |
US5608458A (en) * | 1994-10-13 | 1997-03-04 | Lucent Technologies Inc. | Method and apparatus for a region-based approach to coding a sequence of video images |
US5552832A (en) * | 1994-10-26 | 1996-09-03 | Intel Corporation | Run-length encoding sequence for video signals |
US5623312A (en) * | 1994-12-22 | 1997-04-22 | Lucent Technologies Inc. | Compressed-domain bit rate reduction system |
US5710595A (en) * | 1994-12-29 | 1998-01-20 | Lucent Technologies Inc. | Method and apparatus for controlling quantization and buffering for digital signal compression |
US6002801A (en) * | 1995-04-18 | 1999-12-14 | Advanced Micro Devices, Inc. | Method and apparatus for improved video decompression by selection of IDCT method based on image characteristics |
US5903313A (en) * | 1995-04-18 | 1999-05-11 | Advanced Micro Devices, Inc. | Method and apparatus for adaptively performing motion compensation in a video processing apparatus |
US5774600A (en) * | 1995-04-18 | 1998-06-30 | Advanced Micro Devices, Inc. | Method of pixel averaging in a video processing apparatus |
WO1996033575A1 (en) * | 1995-04-18 | 1996-10-24 | Advanced Micro Devices, Inc. | Video decoder using block oriented data structures |
US5953457A (en) * | 1995-04-18 | 1999-09-14 | Advanced Micro Devices, Inc. | Method and apparatus for improved video decompression by prescaling of pixel and error terms to merging |
US5864637A (en) * | 1995-04-18 | 1999-01-26 | Advanced Micro Devices, Inc. | Method and apparatus for improved video decompression by selective reduction of spatial resolution |
EP0757490A3 (de) | 1995-08-02 | 1999-01-13 | Matsushita Electric Industrial Co., Ltd. | Videokodierungsvorrichtung und ihre Anwendung in ein Videoübertragungssystem, Quantisierungskontrollverfahren und zugehöriges Verfahren zur Rechnung des durchschnittlichen Datenflusses |
WO1997016030A1 (en) * | 1995-10-25 | 1997-05-01 | Philips Electronics N.V. | Segmented picture coding method and system, and corresponding decoding method and system |
JPH09200778A (ja) * | 1995-12-29 | 1997-07-31 | Daewoo Electron Co Ltd | 映像信号符号化方法及び映像信号符号化装置 |
JPH10234033A (ja) * | 1997-02-21 | 1998-09-02 | Matsushita Electric Ind Co Ltd | 動画像信号の復号方法および動画像信号の復号装置 |
US6061399A (en) * | 1997-05-28 | 2000-05-09 | Sarnoff Corporation | Method and apparatus for information stream frame synchronization |
AU717480B2 (en) * | 1998-08-01 | 2000-03-30 | Korea Advanced Institute Of Science And Technology | Loop-filtering method for image data and apparatus therefor |
WO2000035202A1 (en) * | 1998-12-10 | 2000-06-15 | Matsushita Electric Industrial Co., Ltd. | Filter arithmetic device |
AU2003900746A0 (en) * | 2003-02-17 | 2003-03-06 | Silverbrook Research Pty Ltd | Methods, systems and apparatus (NPS041) |
TW499672B (en) * | 2000-02-18 | 2002-08-21 | Intervideo Inc | Fast convergence method for bit allocation stage of MPEG audio layer 3 encoders |
GB0022949D0 (en) * | 2000-09-19 | 2000-11-01 | Sgs Thomson Microelectronics | Processing instruction words |
EP1225704A1 (de) | 2001-01-12 | 2002-07-24 | STMicroelectronics S.r.l. | Verfahren und System zur Komprimierung und Dekomprimierung von digitalen Informationen und Rechnerprogrammprodukt dafür |
US20030012287A1 (en) * | 2001-03-05 | 2003-01-16 | Ioannis Katsavounidis | Systems and methods for decoding of systematic forward error correction (FEC) codes of selected data in a video bitstream |
US7412004B2 (en) * | 2001-06-29 | 2008-08-12 | Agere Systems Inc. | Method and apparatus for controlling buffer overflow in a communication system |
US7460629B2 (en) | 2001-06-29 | 2008-12-02 | Agere Systems Inc. | Method and apparatus for frame-based buffer control in a communication system |
US7769084B1 (en) * | 2002-07-15 | 2010-08-03 | Apple Inc. | Method for implementing a quantizer in a multimedia compression and encoding system |
US7418037B1 (en) * | 2002-07-15 | 2008-08-26 | Apple Inc. | Method of performing rate control for a compression system |
WO2004012459A1 (ja) * | 2002-07-26 | 2004-02-05 | Matsushita Electric Industrial Co., Ltd. | 動画像符号化方法、動画像復号化方法および記録媒体 |
US7940843B1 (en) | 2002-12-16 | 2011-05-10 | Apple Inc. | Method of implementing improved rate control for a multimedia compression and encoding system |
US7804897B1 (en) * | 2002-12-16 | 2010-09-28 | Apple Inc. | Method for implementing an improved quantizer in a multimedia compression and encoding system |
JP5227875B2 (ja) * | 2009-04-06 | 2013-07-03 | 株式会社日立製作所 | 動画像符号化装置 |
CN107277519B (zh) * | 2017-06-30 | 2019-11-15 | 武汉斗鱼网络科技有限公司 | 一种判断视频帧的帧类型的方法及电子设备 |
KR102543444B1 (ko) * | 2017-08-29 | 2023-06-13 | 삼성전자주식회사 | 영상 부호화 장치 |
US11412260B2 (en) * | 2018-10-29 | 2022-08-09 | Google Llc | Geometric transforms for image compression |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54114920A (en) * | 1978-02-28 | 1979-09-07 | Kokusai Denshin Denwa Co Ltd | Television signal adaptive forecasting encoding system |
US4328425A (en) * | 1980-08-04 | 1982-05-04 | Xerox Corporation | Filter for image pixels |
JPS58127488A (ja) * | 1982-01-25 | 1983-07-29 | Kokusai Denshin Denwa Co Ltd <Kdd> | テレビジヨン信号の適応予測符号化方式 |
DE3437182A1 (de) * | 1984-10-10 | 1986-04-10 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | Verfahren zur aufzeichnung und/oder wiedergabe digital kodierter signale |
JPH0620303B2 (ja) * | 1984-11-08 | 1994-03-16 | 日本電信電話株式会社 | フレ−ム間符号化方式におけるリフレッシュ処理方式 |
DE3511660A1 (de) * | 1985-03-29 | 1986-10-02 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur verbesserung der bildqualitaet bei dpcm-codierten bildsignalen |
CA1252569A (en) * | 1985-09-13 | 1989-04-11 | Akihiro Furukawa | Method and device of coding a digital video signal for reproduction of pictures with a high quality even upon occurrence of a drastical change between the pictures |
EP0625854A1 (de) * | 1987-04-28 | 1994-11-23 | Mitsubishi Denki Kabushiki Kaisha | System zur Bildcodierung und -decodierung |
FR2625635B1 (fr) * | 1987-12-30 | 1994-04-15 | Thomson Grand Public | Procede adaptatif de codage et de decodage d'une suite d'images par transformation, et dispositifs pour la mise en oeuvre de ce procede |
EP0330455A3 (de) * | 1988-02-22 | 1990-07-04 | Kabushiki Kaisha Toshiba | Vorrichtung zum Kodieren von Bildern |
DE3811536A1 (de) * | 1988-04-06 | 1989-10-19 | Philips Patentverwaltung | Praediktiver standbildcodierer |
JP2870756B2 (ja) * | 1988-04-20 | 1999-03-17 | 株式会社リコー | 空間フィルタ画像処理装置 |
JP2570384B2 (ja) * | 1988-05-30 | 1997-01-08 | 日本電気株式会社 | 動画像信号の符号化・復号化方式 |
US4953023A (en) * | 1988-09-29 | 1990-08-28 | Sony Corporation | Coding apparatus for encoding and compressing video data |
JPH02172389A (ja) * | 1988-12-26 | 1990-07-03 | Victor Co Of Japan Ltd | 動画像信号の高能率符号化方式 |
EP0396846B1 (de) * | 1989-05-12 | 1993-04-28 | Rai Radiotelevisione Italiana | Gerät zur Diskret-Kosinus-Transform-Kodierung digitaler Videosignale |
JPH0714209B2 (ja) * | 1989-12-20 | 1995-02-15 | 松下電器産業株式会社 | 動画像符号化装置 |
-
1991
- 1991-02-21 US US07/658,787 patent/US5164828A/en not_active Expired - Lifetime
- 1991-02-25 EP EP96110477A patent/EP0739143B1/de not_active Expired - Lifetime
- 1991-02-25 DE DE69132646T patent/DE69132646T2/de not_active Expired - Lifetime
- 1991-02-25 DE DE69130076T patent/DE69130076T2/de not_active Expired - Lifetime
- 1991-02-25 EP EP91301467A patent/EP0444839B1/de not_active Expired - Lifetime
- 1991-02-25 DE DE69133024T patent/DE69133024T2/de not_active Expired - Lifetime
- 1991-02-25 EP EP96110475A patent/EP0739142B1/de not_active Expired - Lifetime
- 1991-02-26 KR KR1019910003080A patent/KR100248692B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0739143A3 (de) | 1996-12-18 |
EP0444839B1 (de) | 1998-09-02 |
KR100248692B1 (ko) | 2000-03-15 |
US5164828A (en) | 1992-11-17 |
DE69130076D1 (de) | 1998-10-08 |
EP0739142A2 (de) | 1996-10-23 |
EP0739143B1 (de) | 2002-05-29 |
DE69133024D1 (de) | 2002-07-04 |
DE69132646T2 (de) | 2002-04-25 |
EP0444839A3 (de) | 1994-02-09 |
EP0739143A2 (de) | 1996-10-23 |
DE69130076T2 (de) | 1999-04-29 |
EP0739142A3 (de) | 1996-12-18 |
EP0444839A2 (de) | 1991-09-04 |
EP0739142B1 (de) | 2001-06-27 |
DE69133024T2 (de) | 2003-02-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69132646D1 (de) | System und Methode zum Kodieren von Videosignalen | |
DE69320516D1 (de) | Methode und Gerät zum Editieren von Video | |
DE69320191D1 (de) | System zum Kodieren/Dekodieren von QAMSignalen | |
DE69030819D1 (de) | Dekodierungssystem zur Dekodierung von Videosignalen | |
DE69330332D1 (de) | System und Methode zum Schneiden von Videos | |
DE69229695D1 (de) | Bildkodiersystem und Bildkodierverfahren | |
KR890700877A (ko) | 바이코우드의 코오드화 및 해독의 방법 및 장치 | |
DE3484879D1 (de) | System zum umformen und filtern von videobildern. | |
DE69328830D1 (de) | Digitales system zum einfügen von audio/video | |
NO961793D0 (no) | Brönnrensesystem og fremgangsmåte | |
DE69126585D1 (de) | Verfahren und Gerät zur Kodierung von bewegten Bildsignalen | |
DE69227401D1 (de) | Verfahren zum Kodieren und Dekodieren von Sprachsignalen | |
DE69316439D1 (de) | Methode und Vorrichtung zur Kodierung und Dekodierung von Videodaten | |
DE69326990D1 (de) | Kodierungssystem und -verfahren | |
DE69228926D1 (de) | Holographisches aufnahme- und abtastsystem und methode | |
DE69031105D1 (de) | Videosignalkodierungsverfahren | |
NO940622L (no) | Rensing fremgangsmåte og apparat | |
DE69524420D1 (de) | Videoverarbeitung und verfahren zur umsetzung von videosignalen | |
DE69326905D1 (de) | System und Methode für Wiedergewinnung von Digitaldaten | |
DE69121411D1 (de) | Methode und gerät zur codierung von analogen signalen | |
DE69131171D1 (de) | System zur Übertragung und zum Empfangen von kodierten Fernsehsignalen | |
DE3788326D1 (de) | Verfahren und Apparat zur Kodierung von Bewegtbildsignalen. | |
DE69620932D1 (de) | Verfahren zum Kodieren und Dekodieren von Bewegtbildsignalen | |
DE68921106D1 (de) | Digitales Verfahren und System zur Bildveränderung. | |
GB2253122B (en) | Decoding method and apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |