DE69524141D1 - Adaptiver Bildkodierer mit dynamischer Bitzuteilung - Google Patents

Adaptiver Bildkodierer mit dynamischer Bitzuteilung

Info

Publication number
DE69524141D1
DE69524141D1 DE69524141T DE69524141T DE69524141D1 DE 69524141 D1 DE69524141 D1 DE 69524141D1 DE 69524141 T DE69524141 T DE 69524141T DE 69524141 T DE69524141 T DE 69524141T DE 69524141 D1 DE69524141 D1 DE 69524141D1
Authority
DE
Germany
Prior art keywords
bit allocation
image encoder
adaptive image
dynamic bit
dynamic
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
DE69524141T
Other languages
English (en)
Other versions
DE69524141T2 (de
Inventor
John Hartung
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.)
AT&T Corp
Original Assignee
AT&T 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
Application filed by AT&T Corp filed Critical AT&T Corp
Publication of DE69524141D1 publication Critical patent/DE69524141D1/de
Application granted granted Critical
Publication of DE69524141T2 publication Critical patent/DE69524141T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00Image coding
    • G06T9/008Vector quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/15Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/154Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/94Vector quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/107Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/152Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Image Processing (AREA)
DE69524141T 1994-05-25 1995-05-17 Adaptiver Bildkodierer mit dynamischer Bitzuteilung Expired - Lifetime DE69524141T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/248,982 US5457495A (en) 1994-05-25 1994-05-25 Adaptive video coder with dynamic bit allocation

Publications (2)

Publication Number Publication Date
DE69524141D1 true DE69524141D1 (de) 2002-01-10
DE69524141T2 DE69524141T2 (de) 2002-07-04

Family

ID=22941539

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69524141T Expired - Lifetime DE69524141T2 (de) 1994-05-25 1995-05-17 Adaptiver Bildkodierer mit dynamischer Bitzuteilung

Country Status (5)

Country Link
US (1) US5457495A (de)
EP (1) EP0684737B1 (de)
JP (1) JP2883833B2 (de)
CA (1) CA2146048C (de)
DE (1) DE69524141T2 (de)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592227A (en) * 1994-09-15 1997-01-07 Vcom, Inc. Method and apparatus for compressing a digital signal using vector quantization
US5627601A (en) * 1994-11-30 1997-05-06 National Semiconductor Corporation Motion estimation with bit rate criterion
US5508750A (en) * 1995-02-03 1996-04-16 Texas Instruments Incorporated Encoding data converted from film format for progressive display
EP0731614B1 (de) * 1995-03-10 2002-02-06 Kabushiki Kaisha Toshiba Bildkodierungs-/-dekodierungsvorrichtung
GB2303267B (en) * 1995-06-06 2000-03-22 Sony Uk Ltd Video compression
US5748242A (en) * 1995-08-25 1998-05-05 Lucent Technologies Inc. Color video vector quantization with chrominance codebook bypass
US5778191A (en) * 1995-10-26 1998-07-07 Motorola, Inc. Method and device for error control of a macroblock-based video compression technique
GB9522077D0 (en) * 1995-10-27 1996-01-03 Univ Strathclyde Data compression
US5844612A (en) * 1995-11-09 1998-12-01 Utah State University Foundation Motion vector quantizing selection system
US5799110A (en) * 1995-11-09 1998-08-25 Utah State University Foundation Hierarchical adaptive multistage vector quantization
US5909513A (en) * 1995-11-09 1999-06-01 Utah State University Bit allocation for sequence image compression
US6011587A (en) * 1996-03-07 2000-01-04 Kokusai Denshin Denwa Kabushiki Kaisha Packet video bitrate conversion system
JP3157101B2 (ja) * 1996-03-08 2001-04-16 沖電気工業株式会社 画像符号化方法及び画像符号化装置
US5867221A (en) * 1996-03-29 1999-02-02 Interated Systems, Inc. Method and system for the fractal compression of data using an integrated circuit for discrete cosine transform compression/decompression
US5844607A (en) * 1996-04-03 1998-12-01 International Business Machines Corporation Method and apparatus for scene change detection in digital video compression
GB2313974B (en) * 1996-06-06 2000-06-28 Berners Lee Charles Peter Apparatus and method for encoding data
US5926226A (en) * 1996-08-09 1999-07-20 U.S. Robotics Access Corp. Method for adjusting the quality of a video coder
US5861905A (en) * 1996-08-21 1999-01-19 Brummett; Paul Louis Digital television system with artificial intelligence
US6983018B1 (en) * 1998-11-30 2006-01-03 Microsoft Corporation Efficient motion vector coding for video compression
US6490250B1 (en) 1999-03-09 2002-12-03 Conexant Systems, Inc. Elementary stream multiplexer
WO2001059934A1 (en) * 2000-02-11 2001-08-16 Splash Technology, Inc. System and method for image compression using systolic vector quantization
US6937814B1 (en) * 2000-04-14 2005-08-30 Realnetworks, Inc. System and method for play while recording processing
US6778607B2 (en) * 2001-05-22 2004-08-17 Intel Corporation Method and apparatus for multi-rate encoding of video sequences
US7003039B2 (en) * 2001-07-18 2006-02-21 Avideh Zakhor Dictionary generation method for video and image compression
US7733345B2 (en) * 2001-11-27 2010-06-08 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding position interpolator
US7027982B2 (en) * 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio
US20030169816A1 (en) * 2002-01-22 2003-09-11 Limin Wang Adaptive universal variable length codeword coding for digital video content
US7016547B1 (en) 2002-06-28 2006-03-21 Microsoft Corporation Adaptive entropy encoding/decoding for screen capture content
US6980695B2 (en) * 2002-06-28 2005-12-27 Microsoft Corporation Rate allocation for mixed content video
US7433824B2 (en) 2002-09-04 2008-10-07 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
DE60330198D1 (de) 2002-09-04 2009-12-31 Microsoft Corp Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus
US7499495B2 (en) 2003-07-18 2009-03-03 Microsoft Corporation Extended range motion vectors
US7343291B2 (en) 2003-07-18 2008-03-11 Microsoft Corporation Multi-pass variable bitrate media encoding
US7609763B2 (en) 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
US20050013498A1 (en) 2003-07-18 2005-01-20 Microsoft Corporation Coding of motion vector information
US7383180B2 (en) * 2003-07-18 2008-06-03 Microsoft Corporation Constant bitrate media encoding techniques
US7599438B2 (en) 2003-09-07 2009-10-06 Microsoft Corporation Motion vector block pattern coding and decoding
US7616692B2 (en) 2003-09-07 2009-11-10 Microsoft Corporation Hybrid motion vector prediction for interlaced forward-predicted fields
US7724827B2 (en) 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US8064520B2 (en) 2003-09-07 2011-11-22 Microsoft Corporation Advanced bi-directional predictive coding of interlaced video
US7317839B2 (en) 2003-09-07 2008-01-08 Microsoft Corporation Chroma motion vector derivation for interlaced forward-predicted fields
US7567617B2 (en) 2003-09-07 2009-07-28 Microsoft Corporation Predicting motion vectors for fields of forward-predicted interlaced video frames
US7620106B2 (en) 2003-09-07 2009-11-17 Microsoft Corporation Joint coding and decoding of a reference field selection and differential motion vector information
US7623574B2 (en) 2003-09-07 2009-11-24 Microsoft Corporation Selecting between dominant and non-dominant motion vector predictor polarities
US7688894B2 (en) * 2003-09-07 2010-03-30 Microsoft Corporation Scan patterns for interlaced video content
US7782954B2 (en) * 2003-09-07 2010-08-24 Microsoft Corporation Scan patterns for progressive video content
US7577200B2 (en) 2003-09-07 2009-08-18 Microsoft Corporation Extended range variable length coding/decoding of differential motion vector information
US20050207501A1 (en) * 2004-03-18 2005-09-22 Sony Corporation Method of and system for video bit allocation for scene cuts and scene changes
US7684981B2 (en) 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
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
US7565018B2 (en) * 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
US8599925B2 (en) * 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US7933337B2 (en) * 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
US7774205B2 (en) * 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
US8254455B2 (en) 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
US8179974B2 (en) 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
US8325800B2 (en) 2008-05-07 2012-12-04 Microsoft Corporation Encoding streaming media as a high bit rate layer, a low bit rate layer, and one or more intermediate bit rate layers
US8379851B2 (en) 2008-05-12 2013-02-19 Microsoft Corporation Optimized client side rate control and indexed file layout for streaming media
US7860996B2 (en) 2008-05-30 2010-12-28 Microsoft Corporation Media streaming with seamless ad insertion
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
US8265140B2 (en) 2008-09-30 2012-09-11 Microsoft Corporation Fine-grained client-side control of scalable media delivery
US8189666B2 (en) 2009-02-02 2012-05-29 Microsoft Corporation Local picture identifier and computation of co-located information
US8660178B2 (en) 2010-07-01 2014-02-25 Broadcom Corporation Method and system for multi-layer rate control for a multi-codec system
CN102025998B (zh) * 2010-12-28 2013-05-08 重庆邮电大学 一种数字图像信号矢量量化码书设计方法
JP2015080025A (ja) * 2013-10-15 2015-04-23 株式会社東芝 電子機器および通信制御方法
FR3033114A1 (fr) * 2015-02-19 2016-08-26 Orange Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants
WO2017133753A1 (en) * 2016-02-01 2017-08-10 Huawei Technologies Co., Ltd. Vector quantization for video coding using codebook generated by selected training signals
US10986378B2 (en) * 2019-08-30 2021-04-20 Rovi Guides, Inc. Systems and methods for providing content during reduced streaming quality
US11005909B2 (en) 2019-08-30 2021-05-11 Rovi Guides, Inc. Systems and methods for providing content during reduced streaming quality
US11184648B2 (en) 2019-08-30 2021-11-23 Rovi Guides, Inc. Systems and methods for providing content during reduced streaming quality

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1333420C (en) * 1988-02-29 1994-12-06 Tokumichi Murakami Vector quantizer
EP0387051B1 (de) * 1989-03-10 1997-08-06 Canon Kabushiki Kaisha Verfahren und Vorrichtung zum Codieren von Bildinformation
US5194864A (en) * 1990-10-03 1993-03-16 Olympus Optical Co., Ltd. Vector quantization method and apparatus
US5134477A (en) * 1990-12-11 1992-07-28 At&T Bell Laboratories Hdtv receiver
US5128756A (en) * 1990-12-11 1992-07-07 At&T Bell Laboratories High definition television coding arrangement with graceful degradation
US5172228A (en) * 1991-11-19 1992-12-15 Utah State University Foundation Image compression method and apparatus employing distortion adaptive tree search vector quantization
US5398069A (en) * 1993-03-26 1995-03-14 Scientific Atlanta Adaptive multi-stage vector quantization

Also Published As

Publication number Publication date
EP0684737A3 (de) 1999-08-18
DE69524141T2 (de) 2002-07-04
JPH089376A (ja) 1996-01-12
JP2883833B2 (ja) 1999-04-19
EP0684737B1 (de) 2001-11-28
EP0684737A2 (de) 1995-11-29
CA2146048A1 (en) 1995-11-26
CA2146048C (en) 1999-03-23
US5457495A (en) 1995-10-10

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