DE69527577T2 - Bildkodierungsgerät mit mehreren Kodierern - Google Patents

Bildkodierungsgerät mit mehreren Kodierern

Info

Publication number
DE69527577T2
DE69527577T2 DE69527577T DE69527577T DE69527577T2 DE 69527577 T2 DE69527577 T2 DE 69527577T2 DE 69527577 T DE69527577 T DE 69527577T DE 69527577 T DE69527577 T DE 69527577T DE 69527577 T2 DE69527577 T2 DE 69527577T2
Authority
DE
Germany
Prior art keywords
image coding
coding device
several encoders
encoders
several
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
Application number
DE69527577T
Other languages
English (en)
Other versions
DE69527577D1 (de
Inventor
Yoko Matsuura
Shoji Shiomoto
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.)
Sony Corp
Original Assignee
Sony Corp
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 JP13517694A external-priority patent/JPH07322254A/ja
Priority claimed from JP14123594A external-priority patent/JPH07327229A/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69527577D1 publication Critical patent/DE69527577D1/de
Publication of DE69527577T2 publication Critical patent/DE69527577T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image 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
    • H04N19/115—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
    • 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
    • H04N19/157—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
    • 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
    • H04N21/2365—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
    • H04N19/134—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
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
DE69527577T 1994-05-25 1995-05-23 Bildkodierungsgerät mit mehreren Kodierern Expired - Lifetime DE69527577T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13517694A JPH07322254A (ja) 1994-05-25 1994-05-25 符号化装置
JP14123594A JPH07327229A (ja) 1994-05-31 1994-05-31 多重符号化装置

Publications (2)

Publication Number Publication Date
DE69527577D1 DE69527577D1 (de) 2002-09-05
DE69527577T2 true DE69527577T2 (de) 2003-04-03

Family

ID=26469090

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69527577T Expired - Lifetime DE69527577T2 (de) 1994-05-25 1995-05-23 Bildkodierungsgerät mit mehreren Kodierern

Country Status (7)

Country Link
US (1) US5956426A (de)
EP (1) EP0685971B1 (de)
KR (1) KR100382136B1 (de)
CN (1) CN1132430C (de)
DE (1) DE69527577T2 (de)
MY (1) MY116350A (de)
TW (1) TW374283B (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07322252A (ja) * 1994-05-23 1995-12-08 Canon Inc 画像符号化装置
US5940738A (en) 1995-05-26 1999-08-17 Hyundai Electronics America, Inc. Video pedestal network
US5793410A (en) * 1995-05-26 1998-08-11 Hyundai Electronics America Video pedestal network
GB9517130D0 (en) * 1995-08-22 1995-10-25 Nat Transcommunications Ltd Statistical multiplexing
EP0784409A3 (de) * 1996-01-11 2001-11-14 Sony Corporation Videokodierung und -multiplex
DE69730419T2 (de) * 1996-04-12 2005-09-08 Imedia Corp., San Francisco System zur Verteilung komprimierter Videosignale, mit statistischem Multiplexer mit Transkodierern
US6292589B1 (en) * 1996-06-21 2001-09-18 Compaq Computer Corporation Method for choosing rate control parameters in motion-compensated transform-based picture coding scheme using non-parametric technique
US6408095B1 (en) * 1996-08-27 2002-06-18 Canon Kabushiki Kaisha System, apparatus and method for communication, display and output of images
JPH10164581A (ja) * 1996-12-03 1998-06-19 Sony Corp 画像信号符号化方法及び装置、信号記録媒体
EP0888009B1 (de) * 1996-12-12 2006-02-22 Sony Corporation Vorrichtung und verfahren zur kodierung von bilddaten sowie verfahren zur bilddatenübertragung
EP0851656A1 (de) * 1996-12-23 1998-07-01 HE HOLDINGS, INC. dba HUGHES ELECTRONICS System und Verfahren zur hochauflösenden Videokompression mit Bildtäfelung
GB2327577B (en) 1997-07-18 2002-09-11 British Broadcasting Corp Re-encoding decoded signals
US6845107B1 (en) * 1997-10-15 2005-01-18 Sony Corporation Video data multiplexer, video data multiplexing control method, method and apparatus for multiplexing encoded stream, and encoding method and apparatus
US6278735B1 (en) * 1998-03-19 2001-08-21 International Business Machines Corporation Real-time single pass variable bit rate control strategy and encoder
CN1153473C (zh) * 1998-07-10 2004-06-09 皇家菲利浦电子有限公司 具有几个数据压缩信道的数据压缩组件
GB9815615D0 (en) * 1998-07-18 1998-09-16 Nds Ltd Statistical multiplexing
US6754241B1 (en) * 1999-01-06 2004-06-22 Sarnoff Corporation Computer system for statistical multiplexing of bitstreams
WO2000074388A1 (en) * 1999-05-26 2000-12-07 Koninklijke Philips Electronics N.V. Digital video signals coding method and corresponding coding or transcoding system
US6721957B1 (en) * 1999-08-16 2004-04-13 Georgia Tech Research Corporation System and method for maximizing bandwidth efficiency in a digital video program stream
KR100635010B1 (ko) * 1999-10-07 2006-10-16 삼성전자주식회사 다수의 부호기를 이용한 영상부호화장치
CN1322759C (zh) * 2000-04-27 2007-06-20 三菱电机株式会社 编码装置和编码方法
US7418007B1 (en) 2000-09-20 2008-08-26 General Instrument Corporation Method and apparatus for determining a transmission bit rate in a statistical multiplexer
US7072393B2 (en) 2001-06-25 2006-07-04 International Business Machines Corporation Multiple parallel encoders and statistical analysis thereof for encoding a video sequence
US7266133B2 (en) 2002-11-13 2007-09-04 General Instrument Corporation Methods and apparatus for statistical multiplexing with distributed multiplexers
CN1973550B (zh) * 2004-07-07 2010-08-18 汤姆森许可贸易公司 使用冗余视频流的通过dsl的数字视频广播系统中的快速频道改变
US9781433B2 (en) * 2005-01-26 2017-10-03 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems, methods, and apparatus for real-time video encoding
US8223845B1 (en) * 2005-03-16 2012-07-17 Apple Inc. Multithread processing of video frames
US8259811B2 (en) * 2007-11-30 2012-09-04 Olympus Imaging Corp Method for determining a number of items of encoded data that can be stored in a memory, and method for controlling sizes of items of encoded image data to be stored in a memory
JP5491936B2 (ja) 2010-03-31 2014-05-14 株式会社メガチップス 画像処理装置
WO2014138633A2 (en) * 2013-03-08 2014-09-12 Board Of Regents, The University Of Texas System Systems and methods for digital media compression and recompression

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386237A (en) * 1980-12-22 1983-05-31 Intelsat NIC Processor using variable precision block quantization
US4455649A (en) * 1982-01-15 1984-06-19 International Business Machines Corporation Method and apparatus for efficient statistical multiplexing of voice and data signals
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
JP3070110B2 (ja) * 1991-02-27 2000-07-24 日本電気株式会社 動画像信号の伝送システム
JP3109854B2 (ja) * 1991-04-23 2000-11-20 キヤノン株式会社 画像符号化方法及び装置
JP3164647B2 (ja) * 1992-06-03 2001-05-08 株式会社東芝 動画像符号化方法及び装置
US5506844A (en) * 1994-05-20 1996-04-09 Compression Labs, Inc. Method for configuring a statistical multiplexer to dynamically allocate communication channel bandwidth

Also Published As

Publication number Publication date
DE69527577D1 (de) 2002-09-05
KR950035450A (ko) 1995-12-30
TW374283B (en) 1999-11-11
MY116350A (en) 2004-01-31
CN1122989A (zh) 1996-05-22
EP0685971A2 (de) 1995-12-06
EP0685971B1 (de) 2002-07-31
US5956426A (en) 1999-09-21
KR100382136B1 (ko) 2003-07-18
EP0685971A3 (de) 1997-10-22
CN1132430C (zh) 2003-12-24

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Legal Events

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)