DE69809713T2 - Kompression von digitalen signalen mit verbesserter quantisierung - Google Patents

Kompression von digitalen signalen mit verbesserter quantisierung

Info

Publication number
DE69809713T2
DE69809713T2 DE69809713T DE69809713T DE69809713T2 DE 69809713 T2 DE69809713 T2 DE 69809713T2 DE 69809713 T DE69809713 T DE 69809713T DE 69809713 T DE69809713 T DE 69809713T DE 69809713 T2 DE69809713 T2 DE 69809713T2
Authority
DE
Germany
Prior art keywords
compression
digital signals
improved quantization
quantization
improved
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
Application number
DE69809713T
Other languages
English (en)
Other versions
DE69809713D1 (de
Inventor
Oliver Hartwig Werner
Nicholas Dominic Wells
Michael James Knee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Broadcasting Corp
Snell Advanced Media Ltd
Original Assignee
British Broadcasting Corp
Snell and Wilcox Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB9703831A external-priority patent/GB2323493A/en
Priority claimed from GBGB9703834.3A external-priority patent/GB9703834D0/en
Application filed by British Broadcasting Corp, Snell and Wilcox Ltd filed Critical British Broadcasting Corp
Application granted granted Critical
Publication of DE69809713D1 publication Critical patent/DE69809713D1/de
Publication of DE69809713T2 publication Critical patent/DE69809713T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N19/134—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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • 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
    • H04N19/10—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
    • H04N19/90—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
DE69809713T 1997-02-25 1998-02-25 Kompression von digitalen signalen mit verbesserter quantisierung Expired - Fee Related DE69809713T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9703831A GB2323493A (en) 1997-02-25 1997-02-25 Quantisation for compression systems
GBGB9703834.3A GB9703834D0 (en) 1997-02-25 1997-02-25 Quantiser for compression systems
PCT/GB1998/000582 WO1998038800A1 (en) 1997-02-25 1998-02-25 Digital signal compression encoding with improved quantisation

Publications (2)

Publication Number Publication Date
DE69809713D1 DE69809713D1 (de) 2003-01-09
DE69809713T2 true DE69809713T2 (de) 2003-05-15

Family

ID=26311057

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69809713T Expired - Fee Related DE69809713T2 (de) 1997-02-25 1998-02-25 Kompression von digitalen signalen mit verbesserter quantisierung

Country Status (7)

Country Link
US (1) US6668088B1 (de)
EP (1) EP0963657B1 (de)
JP (1) JP2001518247A (de)
AU (1) AU727884B2 (de)
CA (1) CA2280819A1 (de)
DE (1) DE69809713T2 (de)
WO (1) WO1998038800A1 (de)

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EP1145562A1 (de) * 1999-11-03 2001-10-17 Koninklijke Philips Electronics N.V. Verbessertes cascaden-kompressionsverfahren und -system für digitale videodaten und bilder
US6417949B1 (en) * 1999-11-05 2002-07-09 Scientific-Atlanta, Inc. Broadband communication system for efficiently transmitting broadband signals
DE60143927D1 (de) 2000-03-13 2011-03-10 Sony Corp Verfahren und vorrichtung zur erzeugung von kompakten metadateien für transcodierungshinweise
KR100856398B1 (ko) * 2000-05-17 2008-09-04 삼성전자주식회사 복수 매핑 테이블을 이용한 가변장 부호화 및 복호화방법과 그 장치
KR20030086331A (ko) * 2001-03-28 2003-11-07 소니 가부시끼 가이샤 양자화 장치, 양자화 방법, 양자화 프로그램 및 기록 매체
US6950463B2 (en) * 2001-06-13 2005-09-27 Microsoft Corporation Non-compensated transcoding of a video stream
US6763068B2 (en) 2001-12-28 2004-07-13 Nokia Corporation Method and apparatus for selecting macroblock quantization parameters in a video encoder
AU2002951574A0 (en) 2002-09-20 2002-10-03 Unisearch Limited Method of signalling motion information for efficient scalable video compression
AU2003260192B2 (en) * 2002-09-20 2010-03-04 Newsouth Innovations Pty Limited Method of signalling motion information for efficient scalable video compression
EP1439712A1 (de) 2002-12-17 2004-07-21 Visiowave S.A. Verfahren zur Auswahl von dem besten Codec unter "Räumlichen Videocodecs" für ein gleiches Eingangsignal
US7433519B2 (en) * 2003-04-04 2008-10-07 Avid Technology, Inc. Bitstream format for compressed image data
US7403561B2 (en) * 2003-04-04 2008-07-22 Avid Technology, Inc. Fixed bit rate, intraframe compression and decompression of video
WO2005076632A2 (en) * 2004-01-30 2005-08-18 Thomson Licensing Encoder with adaptive rate control for h.264
US7746927B1 (en) * 2004-03-26 2010-06-29 Apple Inc. Robust single-pass variable bit rate encoding
US7573952B1 (en) * 2005-08-23 2009-08-11 Sun Microsystems, Inc. Barycentric coordinate technique for resampling quantized signals
EP1937002B1 (de) * 2006-12-21 2017-11-01 Rohde & Schwarz GmbH & Co. KG Verfahren und Vorrichtung zum Abschätzen der Qualität komprimierter Bilder und/oder Videosequenzen
EP1940176A3 (de) 2006-12-28 2008-07-09 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Kodierung einer Sequenz von digitalisierten Bildern
WO2008080881A1 (en) * 2006-12-28 2008-07-10 Siemens Aktiengesellschaft Method and device for coding a sequence of digitized images
BRPI0906760A2 (pt) * 2008-01-17 2015-07-07 Thomson Licensing Método e aparelho para precisão de controle de taxa em codificação de vídeo
JP5426506B2 (ja) * 2010-09-06 2014-02-26 日本電信電話株式会社 適応量子化方法，適応量子化装置および適応量子化プログラム
US10101049B2 (en) 2015-11-12 2018-10-16 Oracle International Corporation Determining parameters of air-cooling mechanisms
GB2568083B (en) * 2017-11-03 2021-06-02 Imagination Tech Ltd Histogram-based per-layer data format selection for hardware implementation of deep neutral network
EP3562156A1 (de) 2018-04-27 2019-10-30 InterDigital VC Holdings, Inc. Verfahren und vorrichtung zur adaptiven kontextmodellierung in der videocodierung und -decodierung
KR102243119B1 (ko) * 2019-07-17 2021-04-21 한양대학교 산학협력단 가변 정밀도 양자화 장치 및 방법
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Also Published As

Publication number Publication date
CA2280819A1 (en) 1998-09-03
EP0963657B1 (de) 2002-11-27
AU6303198A (en) 1998-09-18
AU727884B2 (en) 2001-01-04
US6668088B1 (en) 2003-12-23
JP2001518247A (ja) 2001-10-09
EP0963657A1 (de) 1999-12-15
WO1998038800A1 (en) 1998-09-03
DE69809713D1 (de) 2003-01-09

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee