DE69423603D1 - Koder mit Wörtern variabler Länge, der zwei Tabellen benutzt - Google Patents
Koder mit Wörtern variabler Länge, der zwei Tabellen benutztInfo
- Publication number
- DE69423603D1 DE69423603D1 DE69423603T DE69423603T DE69423603D1 DE 69423603 D1 DE69423603 D1 DE 69423603D1 DE 69423603 T DE69423603 T DE 69423603T DE 69423603 T DE69423603 T DE 69423603T DE 69423603 D1 DE69423603 D1 DE 69423603D1
- Authority
- DE
- Germany
- Prior art keywords
- tables
- variable length
- length coder
- coder
- variable
- 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
- H04N19/10—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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
-
- 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
- H04N19/134—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
- H04N19/176—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
- 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
- H04N19/10—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
- H04N19/90—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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940000748A KR970009408B1 (ko) | 1994-01-18 | 1994-01-18 | 인터/인트라 테이블 선택 회로 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69423603D1 true DE69423603D1 (de) | 2000-04-27 |
Family
ID=19375761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69423603T Expired - Lifetime DE69423603D1 (de) | 1994-01-18 | 1994-12-30 | Koder mit Wörtern variabler Länge, der zwei Tabellen benutzt |
Country Status (6)
Country | Link |
---|---|
US (1) | US5650782A (de) |
EP (1) | EP0663773B1 (de) |
JP (1) | JP3337583B2 (de) |
KR (1) | KR970009408B1 (de) |
CN (1) | CN1123979C (de) |
DE (1) | DE69423603D1 (de) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100211917B1 (ko) * | 1995-10-26 | 1999-08-02 | 김영환 | 물체 모양정보 부호화 방법 |
JP3094390B2 (ja) * | 1995-11-29 | 2000-10-03 | 三星電子株式会社 | 任意形態の物体の境界を含むブロックの変換符号化装置 |
CN1921374B (zh) * | 1996-03-18 | 2010-05-12 | 株式会社东芝 | 编码装置和编码方法 |
EP0873018B1 (de) * | 1996-11-06 | 2002-09-25 | Matsushita Electric Industrial Co., Ltd. | Verfahren zur bilddekodierung |
US7116829B1 (en) | 1996-11-06 | 2006-10-03 | Matsushita Electric Industrial Co., Ltd. | Image coding and decoding methods, image coding and decoding apparatuses, and recording media for image coding and decoding programs |
US5995148A (en) * | 1997-02-14 | 1999-11-30 | At&T Corp | Video coder having scalar dependent variable length coder |
US6330672B1 (en) | 1997-12-03 | 2001-12-11 | At&T Corp. | Method and apparatus for watermarking digital bitstreams |
WO2001015458A2 (en) * | 1999-08-25 | 2001-03-01 | Hamid Gharavi | Dual priority video transmission for mobile applications |
JP3600487B2 (ja) * | 1999-08-31 | 2004-12-15 | 株式会社東芝 | 可変長復号器及びこれを用いた動画像復号装置 |
IL133896A0 (en) * | 2000-01-06 | 2001-04-30 | Telescicom Ltd | Method and system for encoding data for transmission channels |
KR100856398B1 (ko) | 2000-05-17 | 2008-09-04 | 삼성전자주식회사 | 복수 매핑 테이블을 이용한 가변장 부호화 및 복호화방법과 그 장치 |
EP3099066B1 (de) | 2001-11-22 | 2019-08-14 | Godo Kaisha IP Bridge 1 | Kodierungsverfahren variabler länge und dekodierungsverfahren variabler länge |
US6690307B2 (en) * | 2002-01-22 | 2004-02-10 | Nokia Corporation | Adaptive variable length coding of digital video |
ES2724399T3 (es) * | 2002-03-27 | 2019-09-10 | Panasonic Ip Corp America | Procedimiento y dispositivo de codificación de longitud variable |
KR100486524B1 (ko) * | 2002-07-04 | 2005-05-03 | 엘지전자 주식회사 | 비디오 코덱의 지연시간 단축 장치 |
ATE543179T1 (de) | 2002-09-04 | 2012-02-15 | Microsoft Corp | Entropische kodierung mittels anpassung des kodierungsmodus zwischen niveau- und lauflängenniveau-modus |
US7212681B1 (en) * | 2003-01-15 | 2007-05-01 | Cisco Technology, Inc. | Extension of two-dimensional variable length coding for image compression |
US7194137B2 (en) * | 2003-05-16 | 2007-03-20 | Cisco Technology, Inc. | Variable length coding method and apparatus for video compression |
US7471841B2 (en) | 2004-06-15 | 2008-12-30 | Cisco Technology, Inc. | Adaptive breakpoint for hybrid variable length coding |
US7454076B2 (en) * | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Hybrid variable length coding method for low bit rate video coding |
US7492956B2 (en) * | 2004-08-18 | 2009-02-17 | Cisco Technology, Inc. | Video coding using multi-dimensional amplitude coding and 2-D non-zero/zero cluster position coding |
US7499596B2 (en) | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Amplitude coding for clustered transform coefficients |
US7471840B2 (en) * | 2004-08-18 | 2008-12-30 | Cisco Technology, Inc. | Two-dimensional variable length coding of runs of zero and non-zero transform coefficients for image compression |
US7499595B2 (en) * | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Joint amplitude and position coding for photographic image and video coding |
US7454073B2 (en) * | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Video compression using multiple variable length coding processes for multiple classes of transform coefficient blocks |
US7680349B2 (en) * | 2004-08-18 | 2010-03-16 | Cisco Technology, Inc. | Variable length coding for clustered transform coefficients in video compression |
US7620258B2 (en) * | 2004-08-18 | 2009-11-17 | Cisco Technology, Inc. | Extended amplitude coding for clustered transform coefficients |
US7599840B2 (en) * | 2005-07-15 | 2009-10-06 | Microsoft Corporation | Selectively using multiple entropy models in adaptive coding and decoding |
US7693709B2 (en) | 2005-07-15 | 2010-04-06 | Microsoft Corporation | Reordering coefficients for waveform coding or decoding |
WO2007040361A1 (en) * | 2005-10-05 | 2007-04-12 | Lg Electronics Inc. | Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
US7242328B1 (en) * | 2006-02-03 | 2007-07-10 | Cisco Technology, Inc. | Variable length coding for sparse coefficients |
US8599926B2 (en) | 2006-10-12 | 2013-12-03 | Qualcomm Incorporated | Combined run-length coding of refinement and significant coefficients in scalable video coding enhancement layers |
US8565314B2 (en) * | 2006-10-12 | 2013-10-22 | Qualcomm Incorporated | Variable length coding table selection based on block type statistics for refinement coefficient coding |
US8325819B2 (en) * | 2006-10-12 | 2012-12-04 | Qualcomm Incorporated | Variable length coding table selection based on video block type for refinement coefficient coding |
US9319700B2 (en) | 2006-10-12 | 2016-04-19 | Qualcomm Incorporated | Refinement coefficient coding based on history of corresponding transform coefficient values |
US7970215B2 (en) * | 2007-03-30 | 2011-06-28 | Intel Corporation | Automatic generation of compact code tables |
US8179974B2 (en) | 2008-05-02 | 2012-05-15 | Microsoft Corporation | Multi-level representation of reordered transform coefficients |
US8406307B2 (en) | 2008-08-22 | 2013-03-26 | Microsoft Corporation | Entropy coding/decoding of hierarchically organized data |
US8363725B2 (en) * | 2008-09-08 | 2013-01-29 | Sony Corporation | Method and apparatus for VLC encoding in a video encoding system |
JP5492206B2 (ja) | 2009-07-27 | 2014-05-14 | 株式会社東芝 | 画像符号化方法および画像復号方法、ならびに、画像符号化装置および画像復号装置 |
US9106933B1 (en) | 2010-05-18 | 2015-08-11 | Google Inc. | Apparatus and method for encoding video using different second-stage transform |
US9025661B2 (en) | 2010-10-01 | 2015-05-05 | Qualcomm Incorporated | Indicating intra-prediction mode selection for video coding |
CA2810899C (en) | 2010-10-05 | 2016-08-09 | General Instrument Corporation | Coding and decoding utilizing adaptive context model selection with zigzag scan |
US8913662B2 (en) | 2011-01-06 | 2014-12-16 | Qualcomm Incorporated | Indicating intra-prediction mode selection for video coding using CABAC |
US8938001B1 (en) | 2011-04-05 | 2015-01-20 | Google Inc. | Apparatus and method for coding using combinations |
US8891616B1 (en) | 2011-07-27 | 2014-11-18 | Google Inc. | Method and apparatus for entropy encoding based on encoding cost |
US9247257B1 (en) | 2011-11-30 | 2016-01-26 | Google Inc. | Segmentation based entropy encoding and decoding |
US11039138B1 (en) | 2012-03-08 | 2021-06-15 | Google Llc | Adaptive coding of prediction modes using probability distributions |
US9774856B1 (en) | 2012-07-02 | 2017-09-26 | Google Inc. | Adaptive stochastic entropy coding |
US9509998B1 (en) | 2013-04-04 | 2016-11-29 | Google Inc. | Conditional predictive multi-symbol run-length coding |
US9392288B2 (en) | 2013-10-17 | 2016-07-12 | Google Inc. | Video coding using scatter-based scan tables |
US9179151B2 (en) | 2013-10-18 | 2015-11-03 | Google Inc. | Spatial proximity context entropy coding |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5411614A (en) * | 1977-06-27 | 1979-01-27 | Nec Corp | Code conversion unit for digital signal |
US5122876A (en) * | 1988-12-26 | 1992-06-16 | Canon Kabushiki Kaisha | Image signal restoring apparatus |
JPH02237368A (ja) * | 1989-03-10 | 1990-09-19 | Sharp Corp | 画像通信端末装置 |
CA2016996C (en) * | 1989-05-18 | 1993-01-19 | Masayuki Okajima | Codec system encoding and decoding an image signal at a high speed |
US5128758A (en) * | 1989-06-02 | 1992-07-07 | North American Philips Corporation | Method and apparatus for digitally processing a high definition television augmentation signal |
DE69111633T2 (de) * | 1990-01-30 | 1996-04-04 | Philips Electronics Nv | Vorrichtungen zur variablen Längen-Kodierung und Dekodierung von digitalen Daten. |
EP0469835B1 (de) * | 1990-07-31 | 1998-09-30 | Canon Kabushiki Kaisha | Verfahren und Gerät zur Bildverarbeitung |
JPH04170187A (ja) * | 1990-11-01 | 1992-06-17 | Olympus Optical Co Ltd | 動画像符号化方式 |
US5392037A (en) * | 1991-05-21 | 1995-02-21 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for encoding and decoding |
JPH05207286A (ja) * | 1991-05-28 | 1993-08-13 | Matsushita Electric Works Ltd | 画像符号化方式 |
JPH04357788A (ja) * | 1991-06-03 | 1992-12-10 | Toshiba Corp | 動画像符号化装置及び動画像再生装置 |
US5321398A (en) * | 1991-09-27 | 1994-06-14 | Sony Corporation | Variable length coder and data packing circuit |
US5227878A (en) * | 1991-11-15 | 1993-07-13 | At&T Bell Laboratories | Adaptive coding and decoding of frames and fields of video |
JPH05316359A (ja) * | 1992-05-14 | 1993-11-26 | Fujitsu Ltd | 画像データ符号化装置 |
KR950010913B1 (ko) * | 1992-07-23 | 1995-09-25 | 삼성전자주식회사 | 가변장부호화 및 복호화시스템 |
US5982437A (en) * | 1992-10-26 | 1999-11-09 | Sony Corporation | Coding method and system, and decoding method and system |
US5400075A (en) * | 1993-01-13 | 1995-03-21 | Thomson Consumer Electronics, Inc. | Adaptive variable length encoder/decoder |
-
1994
- 1994-01-18 KR KR1019940000748A patent/KR970009408B1/ko not_active IP Right Cessation
- 1994-12-28 JP JP33880694A patent/JP3337583B2/ja not_active Expired - Lifetime
- 1994-12-30 DE DE69423603T patent/DE69423603D1/de not_active Expired - Lifetime
- 1994-12-30 EP EP19940120942 patent/EP0663773B1/de not_active Expired - Lifetime
- 1994-12-30 US US08/367,528 patent/US5650782A/en not_active Expired - Lifetime
-
1995
- 1995-01-16 CN CN95101262A patent/CN1123979C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR950024106A (ko) | 1995-08-21 |
US5650782A (en) | 1997-07-22 |
JP3337583B2 (ja) | 2002-10-21 |
EP0663773A3 (de) | 1996-01-24 |
EP0663773B1 (de) | 2000-03-22 |
CN1123979C (zh) | 2003-10-08 |
CN1121661A (zh) | 1996-05-01 |
KR970009408B1 (ko) | 1997-06-13 |
EP0663773A2 (de) | 1995-07-19 |
JPH0846521A (ja) | 1996-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |