ATE328445T1 - Videokodierung mit konstanter qualität - Google Patents

Videokodierung mit konstanter qualität

Info

Publication number
ATE328445T1
ATE328445T1 AT02005979T AT02005979T ATE328445T1 AT E328445 T1 ATE328445 T1 AT E328445T1 AT 02005979 T AT02005979 T AT 02005979T AT 02005979 T AT02005979 T AT 02005979T AT E328445 T1 ATE328445 T1 AT E328445T1
Authority
AT
Austria
Prior art keywords
video coding
quality video
constant quality
packets
data
Prior art date
Application number
AT02005979T
Other languages
English (en)
Inventor
Patrice Alexandre
Gildas Guelou
Xavier Ducloux
Original Assignee
Nextream Sa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8861969&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE328445(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nextream Sa filed Critical Nextream Sa
Application granted granted Critical
Publication of ATE328445T1 publication Critical patent/ATE328445T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2365—Multiplexing of several video streams
    • H04N21/23655—Statistical multiplexing, e.g. by controlling the encoder to alter its bitrate to optimize the bandwidth utilization
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23614—Multiplexing of additional data and video streams

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
AT02005979T 2001-03-29 2002-03-15 Videokodierung mit konstanter qualität ATE328445T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0104623A FR2823049B1 (fr) 2001-03-29 2001-03-29 Procede et dispositif de controle de la qualite de donnees video

Publications (1)

Publication Number Publication Date
ATE328445T1 true ATE328445T1 (de) 2006-06-15

Family

ID=8861969

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02005979T ATE328445T1 (de) 2001-03-29 2002-03-15 Videokodierung mit konstanter qualität

Country Status (11)

Country Link
US (1) US7082167B2 (de)
EP (1) EP1248469B1 (de)
JP (1) JP4669190B2 (de)
KR (1) KR100841268B1 (de)
CN (1) CN100350801C (de)
AT (1) ATE328445T1 (de)
DE (1) DE60211790T2 (de)
FR (1) FR2823049B1 (de)
MX (1) MXPA02002719A (de)
MY (1) MY135393A (de)
TW (1) TW563370B (de)

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US6816058B2 (en) * 2001-04-26 2004-11-09 Mcgregor Christopher M Bio-metric smart card, bio-metric smart card reader and method of use
EP1513353A3 (de) * 2003-09-05 2008-10-08 Matsushita Electric Industrial Co., Ltd. Videostromverarbeitungsvorrichtung und Videostromverarbeitungsverfahren
WO2006061838A2 (en) * 2004-12-08 2006-06-15 Imagine Communications Ltd. Distributed statistical multiplexing of multi-media
IL176288A0 (en) * 2006-06-13 2007-07-04 Imagine Comm Ltd Synchronous transmission over packet based network
US8711926B2 (en) * 2007-02-08 2014-04-29 Qualcomm Incorporated Distortion estimation for quantized data
EP2101503A1 (de) * 2008-03-11 2009-09-16 British Telecommunications Public Limited Company Videokodierung
EP2200319A1 (de) 2008-12-10 2010-06-23 BRITISH TELECOMMUNICATIONS public limited company Multiplex-Videostreaming
US8396114B2 (en) * 2009-01-29 2013-03-12 Microsoft Corporation Multiple bit rate video encoding using variable bit rate and dynamic resolution for adaptive video streaming
EP2219342A1 (de) 2009-02-12 2010-08-18 BRITISH TELECOMMUNICATIONS public limited company Video-Streaming
JP2010244316A (ja) * 2009-04-07 2010-10-28 Sony Corp 符号化装置および方法、並びに、復号装置および方法
US8705616B2 (en) 2010-06-11 2014-04-22 Microsoft Corporation Parallel multiple bitrate video encoding to reduce latency and dependences between groups of pictures
CN101964913B (zh) * 2010-08-27 2012-02-29 南京邮电大学 基于模糊分类的帧间误码掩盖方法
US9591318B2 (en) 2011-09-16 2017-03-07 Microsoft Technology Licensing, Llc Multi-layer encoding and decoding
US11089343B2 (en) 2012-01-11 2021-08-10 Microsoft Technology Licensing, Llc Capability advertisement, configuration and control for video coding and decoding
US9525714B2 (en) * 2013-08-02 2016-12-20 Blackberry Limited Wireless transmission of real-time media
US9532043B2 (en) 2013-08-02 2016-12-27 Blackberry Limited Wireless transmission of real-time media
JP6724581B2 (ja) * 2016-06-15 2020-07-15 富士通株式会社 画像符号化装置、方法、及びプログラム

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115309A (en) * 1990-09-10 1992-05-19 At&T Bell Laboratories Method and apparatus for dynamic channel bandwidth allocation among multiple parallel video coders
FR2697393A1 (fr) * 1992-10-28 1994-04-29 Philips Electronique Lab Dispositif de codage de signaux numériques représentatifs d'images, et dispositif de décodage correspondant.
US5686964A (en) * 1995-12-04 1997-11-11 Tabatabai; Ali Bit rate control mechanism for digital image and video data compression
US5801779A (en) * 1995-12-26 1998-09-01 C-Cube Microsystems, Inc. Rate control with panic mode
JPH1051766A (ja) * 1996-08-05 1998-02-20 Mitsubishi Electric Corp 画像符号化データ変換装置
JP3116994B2 (ja) * 1996-08-29 2000-12-11 富士ゼロックス株式会社 画質予測装置および方法ならびに画質制御装置および方法
US6038256A (en) * 1996-12-31 2000-03-14 C-Cube Microsystems Inc. Statistical multiplexed video encoding using pre-encoding a priori statistics and a priori and a posteriori statistics
US6111991A (en) * 1998-01-16 2000-08-29 Sharp Laboratories Of America Method and apparatus for optimizing quantizer values in an image encoder
FR2782879B1 (fr) * 1998-08-28 2000-11-03 Thomson Multimedia Sa Procede de compression d'images
US6567117B1 (en) * 1998-09-09 2003-05-20 Nippon Telegraph And Telephone Corporation Method for regulating image quality, picture communication equipment using same and recording medium having recorded therein a program for executing the method
GB2341745A (en) * 1998-09-10 2000-03-22 Snell & Wilcox Ltd Image encoding
EP1005233A1 (de) * 1998-10-12 2000-05-31 STMicroelectronics S.r.l. Steuerung zur konstanten Bitratencodierung in einem Videocodierer durch Preanalyse der Bilder in Sliceeinheiten
US6738423B1 (en) * 2000-01-21 2004-05-18 Nokia Mobile Phones Ltd. Method for encoding and decoding video information, a motion compensated video encoder and a corresponding decoder

Also Published As

Publication number Publication date
US7082167B2 (en) 2006-07-25
CN100350801C (zh) 2007-11-21
MXPA02002719A (es) 2005-07-25
FR2823049B1 (fr) 2003-06-06
KR100841268B1 (ko) 2008-06-25
US20020181584A1 (en) 2002-12-05
EP1248469A1 (de) 2002-10-09
JP4669190B2 (ja) 2011-04-13
EP1248469B1 (de) 2006-05-31
MY135393A (en) 2008-04-30
JP2002314996A (ja) 2002-10-25
DE60211790T2 (de) 2007-05-24
TW563370B (en) 2003-11-21
CN1379591A (zh) 2002-11-13
FR2823049A1 (fr) 2002-10-04
DE60211790D1 (de) 2006-07-06
KR20020077074A (ko) 2002-10-11

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