DE69838729D1 - Verfahren und vorrichtung zur verringerung des benötigten speicherplatzes zur speicherung von referenzbildern in einem videodekoder - Google Patents

Verfahren und vorrichtung zur verringerung des benötigten speicherplatzes zur speicherung von referenzbildern in einem videodekoder

Info

Publication number
DE69838729D1
DE69838729D1 DE69838729T DE69838729T DE69838729D1 DE 69838729 D1 DE69838729 D1 DE 69838729D1 DE 69838729 T DE69838729 T DE 69838729T DE 69838729 T DE69838729 T DE 69838729T DE 69838729 D1 DE69838729 D1 DE 69838729D1
Authority
DE
Germany
Prior art keywords
reducing
storage space
reference images
video code
storing reference
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
DE69838729T
Other languages
English (en)
Other versions
DE69838729T2 (de
Inventor
Dinei Florencio
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.)
MediaTek Inc
Original Assignee
MediaTek Inc
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 MediaTek Inc filed Critical MediaTek Inc
Publication of DE69838729D1 publication Critical patent/DE69838729D1/de
Application granted granted Critical
Publication of DE69838729T2 publication Critical patent/DE69838729T2/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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/223—Analysis of motion using block-matching
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • 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
    • H04N19/127—Prioritisation of hardware or computational resources
    • 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
    • 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
    • H04N19/10—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
    • H04N19/177—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 group of pictures [GOP]
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
    • H04N19/428—Recompression, e.g. by spatial or temporal decimation
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G06T2207/20052—Discrete cosine transform [DCT]
    • 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
DE69838729T 1997-09-26 1998-09-28 Verfahren und vorrichtung zur verringerung des benötigten speicherplatzes zur speicherung von referenzbildern in einem videodekoder Expired - Lifetime DE69838729T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US6011297P 1997-09-26 1997-09-26
US60112P 1997-09-26
US09/001,201 US5933195A (en) 1997-09-26 1997-12-30 Method and apparatus memory requirements for storing reference frames in a video decoder
US1201 1997-12-30
PCT/US1998/020314 WO1999016253A1 (en) 1997-09-26 1998-09-28 Method and apparatus for reducing memory requirements for storing reference frames in a video decoder

Publications (2)

Publication Number Publication Date
DE69838729D1 true DE69838729D1 (de) 2007-12-27
DE69838729T2 DE69838729T2 (de) 2008-10-30

Family

ID=26668707

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69838729T Expired - Lifetime DE69838729T2 (de) 1997-09-26 1998-09-28 Verfahren und vorrichtung zur verringerung des benötigten speicherplatzes zur speicherung von referenzbildern in einem videodekoder

Country Status (8)

Country Link
US (1) US5933195A (de)
EP (1) EP1025709B1 (de)
JP (1) JP2001517906A (de)
KR (1) KR100635687B1 (de)
CN (1) CN1147162C (de)
AU (1) AU9588198A (de)
DE (1) DE69838729T2 (de)
WO (1) WO1999016253A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6594315B1 (en) * 1996-12-18 2003-07-15 Thomson Licensing S.A. Formatting of recompressed data in an MPEG decoder
JPH10276349A (ja) * 1997-03-27 1998-10-13 Asahi Optical Co Ltd 画像信号補正装置
US6081802A (en) * 1997-08-12 2000-06-27 Microsoft Corporation System and method for accessing compactly stored map element information from memory
US6295094B1 (en) * 1997-09-11 2001-09-25 U.S. Philips Corporation Instant replay of digital video optimized using non MPEG frame tags
US6499060B1 (en) 1999-03-12 2002-12-24 Microsoft Corporation Media coding for loss recovery with remotely predicted data units
JP3322233B2 (ja) * 1999-03-19 2002-09-09 日本電気株式会社 動画像伸長方法及びそれを実行するプログラムを記録した記録媒体
US6615335B1 (en) * 1999-07-02 2003-09-02 Koninklijke Philips Electronics N.V. Compressed storage of information
KR100335057B1 (ko) * 2000-03-08 2002-05-02 구자홍 동영상 수신 장치
EP1269761A1 (de) * 2000-03-31 2003-01-02 Koninklijke Philips Electronics N.V. Kodierung von zwei korrelierten datensequenzen
US6864896B2 (en) * 2001-05-15 2005-03-08 Rambus Inc. Scalable unified memory architecture
US6937652B2 (en) * 2002-04-19 2005-08-30 Seiko Epson Corporation Frame compression using radix approximation
CN1666532A (zh) * 2002-07-02 2005-09-07 松下电器产业株式会社 图像编码方法和图像解码方法
KR101132351B1 (ko) * 2004-05-03 2012-04-05 톰슨 리서치 펀딩 코포레이션 Ｄｓｌ 시스템에 대해 고속으로 채널 변경할 수 있게 하는 방법 및 장치
WO2006027846A1 (ja) * 2004-09-10 2006-03-16 Matsushita Electric Industrial Co., Ltd. ザッピングストリームの生成装置とその方法
US8634413B2 (en) 2004-12-30 2014-01-21 Microsoft Corporation Use of frame caching to improve packet loss recovery
US7965771B2 (en) 2006-02-27 2011-06-21 Cisco Technology, Inc. Method and apparatus for immediate display of multicast IPTV over a bandwidth constrained network
US8218654B2 (en) * 2006-03-08 2012-07-10 Cisco Technology, Inc. Method for reducing channel change startup delays for multicast digital video streams
US8031701B2 (en) * 2006-09-11 2011-10-04 Cisco Technology, Inc. Retransmission-based stream repair and stream join
US7937531B2 (en) * 2007-02-01 2011-05-03 Cisco Technology, Inc. Regularly occurring write back scheme for cache soft error reduction
US8769591B2 (en) 2007-02-12 2014-07-01 Cisco Technology, Inc. Fast channel change on a bandwidth constrained network
US7940644B2 (en) * 2007-03-14 2011-05-10 Cisco Technology, Inc. Unified transmission scheme for media stream redundancy
US20080253369A1 (en) * 2007-04-16 2008-10-16 Cisco Technology, Inc. Monitoring and correcting upstream packet loss
US8787153B2 (en) 2008-02-10 2014-07-22 Cisco Technology, Inc. Forward error correction based data recovery with path diversity
US20100098166A1 (en) * 2008-10-17 2010-04-22 Texas Instruments Incorporated Video coding with compressed reference frames
US9168946B2 (en) * 2010-03-19 2015-10-27 Javad Gnss, Inc. Method for generating offset paths for ground vehicles
WO2012095490A1 (de) * 2011-01-12 2012-07-19 Siemens Aktiengesellschaft Kompression und dekompression von referenzbildern in einem videokoder
US20130243100A1 (en) 2012-03-15 2013-09-19 Mediatek Inc. System and Method for Adaptive Frame Re-compression in Video Processing System
US20140169467A1 (en) * 2012-12-14 2014-06-19 Ce Wang Video coding including shared motion estimation between multple independent coding streams
US11244476B2 (en) * 2020-04-06 2022-02-08 Samsung Display Co., Ltd. Systems and methods for low-complexity near lossless fixed-rate hybrid data compression codecs

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262854A (en) * 1992-02-21 1993-11-16 Rca Thomson Licensing Corporation Lower resolution HDTV receivers
US5614952A (en) * 1994-10-11 1997-03-25 Hitachi America, Ltd. Digital video decoder for decoding digital high definition and/or digital standard definition television signals
US5644361A (en) * 1994-11-30 1997-07-01 National Semiconductor Corporation Subsampled frame storage technique for reduced memory size
US6968003B1 (en) * 1996-01-29 2005-11-22 International Business Machines Corporation Speed-memory tradeoff for MPEG decoders
US5777677A (en) * 1996-02-09 1998-07-07 International Business Machines Corporation Approximate MPEG decoder with compressed reference frames

Also Published As

Publication number Publication date
US5933195A (en) 1999-08-03
EP1025709B1 (de) 2007-11-14
CN1299562A (zh) 2001-06-13
AU9588198A (en) 1999-04-12
EP1025709A4 (de) 2001-05-02
KR100635687B1 (ko) 2006-10-17
WO1999016253A1 (en) 1999-04-01
EP1025709A1 (de) 2000-08-09
CN1147162C (zh) 2004-04-21
KR20010030721A (ko) 2001-04-16
DE69838729T2 (de) 2008-10-30
JP2001517906A (ja) 2001-10-09

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