CN1121661A - 使用两个可变长度编码表的可变长度编码器 - Google Patents
使用两个可变长度编码表的可变长度编码器 Download PDFInfo
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- CN1121661A CN1121661A CN95101262A CN95101262A CN1121661A CN 1121661 A CN1121661 A CN 1121661A CN 95101262 A CN95101262 A CN 95101262A CN 95101262 A CN95101262 A CN 95101262A CN 1121661 A CN1121661 A CN 1121661A
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- 238000006243 chemical reaction Methods 0.000 description 2
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- 238000012544 monitoring process Methods 0.000 description 1
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- 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
Abstract
Description
水果 | 标本 | ||
QP<16 | 第一VLC表 | 8,069,349 | 9,905,614 |
第二VLC表 | 2,158,448 | 2,585,994 | |
Q≥16 | 第一VLC表 | 881,723 | 1,192,607 |
第二VLC表 | 852,020 | 1,023,155 |
Claims (3)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940000748A KR970009408B1 (ko) | 1994-01-18 | 1994-01-18 | 인터/인트라 테이블 선택 회로 |
KR748/94 | 1994-01-18 | ||
KR748/1994 | 1994-01-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1121661A true CN1121661A (zh) | 1996-05-01 |
CN1123979C CN1123979C (zh) | 2003-10-08 |
Family
ID=19375761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95101262A Expired - Lifetime CN1123979C (zh) | 1994-01-18 | 1995-01-16 | 使用两个可变长度编码表的可变长度编码器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5650782A (zh) |
EP (1) | EP0663773B1 (zh) |
JP (1) | JP3337583B2 (zh) |
KR (1) | KR970009408B1 (zh) |
CN (1) | CN1123979C (zh) |
DE (1) | DE69423603D1 (zh) |
Cited By (3)
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CN1301014C (zh) * | 2001-11-22 | 2007-02-14 | 松下电器产业株式会社 | 可变长度编码方法以及可变长度解码方法 |
CN1921374B (zh) * | 1996-03-18 | 2010-05-12 | 株式会社东芝 | 编码装置和编码方法 |
CN101286744B (zh) * | 2007-03-30 | 2012-04-25 | 英特尔公司 | 自动生成压缩码表的方法和装置 |
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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 |
KR100318057B1 (ko) * | 1996-11-06 | 2001-12-24 | 모리시타 요이찌 | 화상 복호화 방법 |
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 |
US6690307B2 (en) * | 2002-01-22 | 2004-02-10 | Nokia Corporation | Adaptive variable length coding of digital video |
HUE030635T2 (en) | 2002-03-27 | 2017-06-28 | Panasonic Ip Corp America | A variable length coding and decoding system and a variable length coding and decoding method |
KR100486524B1 (ko) * | 2002-07-04 | 2005-05-03 | 엘지전자 주식회사 | 비디오 코덱의 지연시간 단축 장치 |
DE60330198D1 (de) | 2002-09-04 | 2009-12-31 | 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 |
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 |
US7471841B2 (en) | 2004-06-15 | 2008-12-30 | Cisco Technology, Inc. | Adaptive breakpoint for hybrid variable length coding |
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 |
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 |
US7499595B2 (en) * | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Joint amplitude and position coding for photographic image and video coding |
US7499596B2 (en) | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Amplitude coding for clustered transform coefficients |
US7620258B2 (en) * | 2004-08-18 | 2009-11-17 | Cisco Technology, Inc. | Extended amplitude coding for clustered transform coefficients |
US7680349B2 (en) * | 2004-08-18 | 2010-03-16 | Cisco Technology, Inc. | Variable length coding for clustered transform coefficients in video compression |
US7599840B2 (en) * | 2005-07-15 | 2009-10-06 | Microsoft Corporation | Selectively using multiple entropy models in adaptive coding and decoding |
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US8325819B2 (en) | 2006-10-12 | 2012-12-04 | Qualcomm Incorporated | Variable length coding table selection based on video block type for refinement coefficient coding |
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 |
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 |
WO2011013192A1 (ja) | 2009-07-27 | 2011-02-03 | 株式会社東芝 | 画像符号化方法および画像復号方法 |
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 |
MX2013003557A (es) | 2010-10-05 | 2013-05-01 | Gen Instrument Corp | Codificacion y decodificacion utilizando seleccion de modelo adaptativo al contexto con escaneo en zigzag. |
US8913662B2 (en) | 2011-01-06 | 2014-12-16 | Qualcomm Incorporated | Indicating intra-prediction mode selection for video coding using CABAC |
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-
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 EP EP19940120942 patent/EP0663773B1/en not_active Expired - Lifetime
- 1994-12-30 DE DE69423603T patent/DE69423603D1/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
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1921374B (zh) * | 1996-03-18 | 2010-05-12 | 株式会社东芝 | 编码装置和编码方法 |
CN1301014C (zh) * | 2001-11-22 | 2007-02-14 | 松下电器产业株式会社 | 可变长度编码方法以及可变长度解码方法 |
CN101286744B (zh) * | 2007-03-30 | 2012-04-25 | 英特尔公司 | 自动生成压缩码表的方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0663773B1 (en) | 2000-03-22 |
KR950024106A (ko) | 1995-08-21 |
CN1123979C (zh) | 2003-10-08 |
DE69423603D1 (de) | 2000-04-27 |
KR970009408B1 (ko) | 1997-06-13 |
EP0663773A2 (en) | 1995-07-19 |
JPH0846521A (ja) | 1996-02-16 |
JP3337583B2 (ja) | 2002-10-21 |
EP0663773A3 (en) | 1996-01-24 |
US5650782A (en) | 1997-07-22 |
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