TW376660B - Reducing the memory required for decompression by storing compressed information using DCT based techniques - Google Patents

Reducing the memory required for decompression by storing compressed information using DCT based techniques

Info

Publication number
TW376660B
TW376660B TW086117588A TW86117588A TW376660B TW 376660 B TW376660 B TW 376660B TW 086117588 A TW086117588 A TW 086117588A TW 86117588 A TW86117588 A TW 86117588A TW 376660 B TW376660 B TW 376660B
Authority
TW
Taiwan
Prior art keywords
decoder
frame
memory
dct
module
Prior art date
Application number
TW086117588A
Other languages
English (en)
Inventor
Jefferson Eugene Owen
Jeyendran Balakrishnan
Original Assignee
Sgs Thomson Microelectronics
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 Sgs Thomson Microelectronics filed Critical Sgs Thomson Microelectronics
Application granted granted Critical
Publication of TW376660B publication Critical patent/TW376660B/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods 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
    • H04N19/423Methods 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
    • H04N19/426Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods 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
    • H04N19/423Methods 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
    • H04N19/426Methods 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
    • H04N19/428Recompression, e.g. by spatial or temporal decimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods 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
    • H04N19/423Methods 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
    • 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
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW086117588A 1996-12-03 1997-11-24 Reducing the memory required for decompression by storing compressed information using DCT based techniques TW376660B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/759,166 US6028635A (en) 1996-12-03 1996-12-03 Reducing the memory required for decompression by storing compressed information using DCT based techniques

Publications (1)

Publication Number Publication Date
TW376660B true TW376660B (en) 1999-12-11

Family

ID=25054640

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086117588A TW376660B (en) 1996-12-03 1997-11-24 Reducing the memory required for decompression by storing compressed information using DCT based techniques

Country Status (6)

Country Link
US (2) US6028635A (zh)
EP (1) EP0847203B1 (zh)
JP (1) JPH10229562A (zh)
KR (1) KR100781629B1 (zh)
DE (1) DE69735923D1 (zh)
TW (1) TW376660B (zh)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100273110B1 (ko) * 1997-02-26 2000-12-01 윤종용 엠펙 시스템 디코더 및 이 디코더의 데이터 처리 방법
US6735253B1 (en) * 1997-05-16 2004-05-11 The Trustees Of Columbia University In The City Of New York Methods and architecture for indexing and editing compressed video over the world wide web
EP0925688B1 (en) * 1997-07-16 2004-12-15 Koninklijke Philips Electronics N.V. Video coding method and device, and corresponding decoding device
US6765625B1 (en) * 1998-03-09 2004-07-20 Divio, Inc. Method and apparatus for bit-shuffling video data
JP4214562B2 (ja) * 1998-06-26 2009-01-28 ソニー株式会社 復号装置
JP2000050272A (ja) * 1998-07-31 2000-02-18 Sony Corp 復号化装置及び方法
US6414996B1 (en) * 1998-12-08 2002-07-02 Stmicroelectronics, Inc. System, method and apparatus for an instruction driven digital video processor
US20020114395A1 (en) * 1998-12-08 2002-08-22 Jefferson Eugene Owen System method and apparatus for a motion compensation instruction generator
US7844167B1 (en) 1998-12-08 2010-11-30 Stmicroelectronics, Inc. System and apparatus for digital audio/video decoder splitting signal into component data streams for rendering at least two video signals
US6490324B1 (en) 1998-12-08 2002-12-03 Stmicroelectronics, Inc. System, method and apparatus for a variable output video decoder
US6697061B1 (en) * 1999-01-21 2004-02-24 Hewlett-Packard Development Company, L.P. Image compression featuring selective re-use of prior compression data
US6807311B1 (en) * 1999-07-08 2004-10-19 Ati International Srl Method and apparatus for compressing and storing image data
KR100670824B1 (ko) * 1999-07-31 2007-01-18 삼성전자주식회사 액정표시장치의 백라이트 어셈블리
FR2800550B1 (fr) * 1999-11-03 2002-05-31 St Microelectronics Sa Circuit de decodage mpeg et d'affichage d'images et d'images incrustees
US6459452B1 (en) * 2000-03-31 2002-10-01 Intel Corporation System, method, and apparatus for decoding digital video sequences
US6870963B2 (en) * 2001-06-15 2005-03-22 Qualcomm, Inc. Configurable pattern optimizer
US8275047B2 (en) * 2001-09-20 2012-09-25 Xilinx, Inc. Method and device for block-based conditional motion compensation
KR100830099B1 (ko) * 2001-09-28 2008-05-20 엘지디스플레이 주식회사 액정표시장치의 백라이트 유닛
KR100477103B1 (ko) * 2001-12-19 2005-03-18 삼성에스디아이 주식회사 금속유도화 측면결정화방법을 이용한 멀티플 게이트 박막트랜지스터 및 그의 제조방법
US8284844B2 (en) 2002-04-01 2012-10-09 Broadcom Corporation Video decoding system supporting multiple standards
US6937652B2 (en) * 2002-04-19 2005-08-30 Seiko Epson Corporation Frame compression using radix approximation
US7469012B2 (en) * 2002-05-14 2008-12-23 Broadcom Corporation System and method for transcoding entropy-coded bitstreams
US7398276B2 (en) * 2002-05-30 2008-07-08 Microsoft Corporation Parallel predictive compression and access of a sequential list of executable instructions
US20050105612A1 (en) * 2003-11-14 2005-05-19 Sung Chih-Ta S. Digital video stream decoding method and apparatus
US7519229B2 (en) * 2004-03-30 2009-04-14 Apple, Inc. Video coding system providing separate coding chains for dynamically selected small-size or full-size playback
US8290057B2 (en) 2005-02-18 2012-10-16 Mediatek Incorporation Method of decoding a digital video sequence and related apparatus
US9516326B1 (en) 2005-12-09 2016-12-06 Nvidia Corporation Method for rotating macro-blocks of a frame of a video stream
US9204158B2 (en) * 2005-12-09 2015-12-01 Nvidia Corporation Hardware multi-standard video decoder device
US9794593B1 (en) 2005-12-09 2017-10-17 Nvidia Corporation Video decoder architecture for processing out-of-order macro-blocks of a video stream
US20070189621A1 (en) * 2006-02-15 2007-08-16 Aten International Co., Ltd Image transmission system
US8671069B2 (en) 2008-12-22 2014-03-11 The Trustees Of Columbia University, In The City Of New York Rapid image annotation via brain state decoding and visual pattern mining
US8542737B2 (en) * 2010-03-21 2013-09-24 Human Monitoring Ltd. Intra video image compression and decompression
GB2485613B (en) * 2010-11-22 2014-08-13 Displaylink Uk Ltd Display control device
US9693064B2 (en) * 2011-09-30 2017-06-27 Avago Technologies General Ip (Singapore) Pte. Ltd Video coding infrastructure using adaptive prediction complexity reduction
US9386326B2 (en) 2012-10-05 2016-07-05 Nvidia Corporation Video decoding error concealment techniques
US9892707B2 (en) 2013-03-14 2018-02-13 Displaylink (Uk) Limited Decompressing stored display data every frame refresh
CN104954796B (zh) * 2014-03-28 2019-06-11 联咏科技股份有限公司 视频处理装置与其视频处理电路
US10223810B2 (en) 2016-05-28 2019-03-05 Microsoft Technology Licensing, Llc Region-adaptive hierarchical transform and entropy coding for point cloud compression, and corresponding decompression
US11297346B2 (en) 2016-05-28 2022-04-05 Microsoft Technology Licensing, Llc Motion-compensated compression of dynamic voxelized point clouds
US10694210B2 (en) 2016-05-28 2020-06-23 Microsoft Technology Licensing, Llc Scalable point cloud compression with transform, and corresponding decompression

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382049A1 (fr) * 1977-02-23 1978-09-22 Thomson Csf Processeur pour terminal informatique utilisant un recepteur de television
FR2666189B1 (fr) * 1990-08-22 1992-12-04 Sgs Thomson Microelectronics Systeme de reglage des filtres de traitement du signal video composite dans un appareil secam multistandard.
JP3308990B2 (ja) * 1992-07-03 2002-07-29 松下電器産業株式会社 動画像の予測符号化方法及び予測符号化装置
FR2696068B1 (fr) * 1992-09-18 1994-12-30 Sgs Thomson Microelectronics Circuit d'identification de standard télévisé.
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
US5717816A (en) * 1993-01-13 1998-02-10 Hitachi America Ltd. Method and apparatus for the selection of data for use in VTR trick playback operation in a system using intra-coded video frames
JPH07240844A (ja) * 1993-03-19 1995-09-12 Mitsubishi Electric Corp 画像データ処理装置および画像データ処理方法
EP0626788B1 (en) * 1993-05-26 2000-08-30 STMicroelectronics S.r.l. Video images decoder architecture for implementing a 40 ms processing algorithm in high definition televisions
KR960010196B1 (ko) * 1993-06-04 1996-07-26 배순훈 인간의 시각특성을 이용한 디씨(dc) 변환계수 양자화기
JPH07226917A (ja) * 1994-02-14 1995-08-22 Toshiba Corp 画像再生方式及び装置
US5576765A (en) * 1994-03-17 1996-11-19 International Business Machines, Corporation Video decoder
DE4416967A1 (de) * 1994-05-13 1995-11-16 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Transcodierung von Bitströmen mit Videodaten
DE4419678A1 (de) * 1994-06-06 1995-12-07 Sican Gmbh Verfahren zur Speicherung von Bild-, Video- und Filminformation in Halbleiterspeichern
ATE246864T1 (de) * 1994-06-06 2003-08-15 Sci Worx Gmbh Verfahren zur codierung/decodierung eines datenstroms
TW377935U (en) * 1994-08-10 1999-12-21 Gen Instrument Corp Dram mapping for a digital video decompression processor
TW245871B (en) * 1994-08-15 1995-04-21 Gen Instrument Corp Method and apparatus for efficient addressing of dram in a video decompression processor
US6480542B1 (en) * 1994-08-24 2002-11-12 Siemens Aktiengesellschaft Method for decoding compressed video data with a reduced memory requirement
EP0702493A1 (en) * 1994-09-19 1996-03-20 International Business Machines Corporation Interactive playout of videos
US5644361A (en) * 1994-11-30 1997-07-01 National Semiconductor Corporation Subsampled frame storage technique for reduced memory size
US5473376A (en) * 1994-12-01 1995-12-05 Motorola, Inc. Method and apparatus for adaptive entropy encoding/decoding of quantized transform coefficients in a video compression system
US5724446A (en) * 1995-04-18 1998-03-03 Advanced Micro Devices, Inc. Video decoder apparatus using non-reference frame as an additional prediction source and method therefor
JP3552811B2 (ja) * 1995-09-29 2004-08-11 三菱電機株式会社 ディジタル映像信号符号化装置および復号化装置
US5847762A (en) * 1995-12-27 1998-12-08 Thomson Consumer Electronics, Inc. MPEG system which decompresses and then recompresses MPEG video data before storing said recompressed MPEG video data into memory
US5777677A (en) * 1996-02-09 1998-07-07 International Business Machines Corporation Approximate MPEG decoder with compressed reference frames
US5708732A (en) * 1996-03-06 1998-01-13 Hewlett-Packard Company Fast DCT domain downsampling and inverse motion compensation
US5796434A (en) * 1996-06-07 1998-08-18 Lsi Logic Corporation System and method for performing motion estimation in the DCT domain with improved efficiency
US5825424A (en) * 1996-06-19 1998-10-20 Thomson Consumer Electronics, Inc. MPEG system which decompresses and recompresses image data before storing image data in a memory and in accordance with a resolution of a display device
US6222886B1 (en) * 1996-06-24 2001-04-24 Kabushiki Kaisha Toshiba Compression based reduced memory video decoder
US5844608A (en) * 1996-12-12 1998-12-01 Thomson Consumer Electronics, Inc. Picture element processor for a memory management system

Also Published As

Publication number Publication date
US6668019B1 (en) 2003-12-23
EP0847203A2 (en) 1998-06-10
DE69735923D1 (de) 2006-06-29
KR100781629B1 (ko) 2008-11-18
EP0847203B1 (en) 2006-05-24
US6028635A (en) 2000-02-22
EP0847203A3 (en) 2000-03-08
KR19980063690A (ko) 1998-10-07
JPH10229562A (ja) 1998-08-25

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