DE69614500T2 - Speicherverminderung für das Grundprofil und die Hauptebene eines MPEG-2-Dekoders - Google Patents

Speicherverminderung für das Grundprofil und die Hauptebene eines MPEG-2-Dekoders

Info

Publication number
DE69614500T2
DE69614500T2 DE69614500T DE69614500T DE69614500T2 DE 69614500 T2 DE69614500 T2 DE 69614500T2 DE 69614500 T DE69614500 T DE 69614500T DE 69614500 T DE69614500 T DE 69614500T DE 69614500 T2 DE69614500 T2 DE 69614500T2
Authority
DE
Germany
Prior art keywords
mpeg
decoder
basic profile
main level
memory reduction
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 - Fee Related
Application number
DE69614500T
Other languages
English (en)
Other versions
DE69614500D1 (de
Inventor
Danilo Pau
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.)
STMicroelectronics SRL
Original Assignee
STMicroelectronics SRL
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 STMicroelectronics SRL filed Critical STMicroelectronics SRL
Publication of DE69614500D1 publication Critical patent/DE69614500D1/de
Application granted granted Critical
Publication of DE69614500T2 publication Critical patent/DE69614500T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
DE69614500T 1996-02-27 1996-02-27 Speicherverminderung für das Grundprofil und die Hauptebene eines MPEG-2-Dekoders Expired - Fee Related DE69614500T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96830085A EP0793389B1 (de) 1996-02-27 1996-02-27 Speicherverminderung für das Grundprofil und die Hauptebene eines MPEG-2-Dekoders

Publications (2)

Publication Number Publication Date
DE69614500D1 DE69614500D1 (de) 2001-09-20
DE69614500T2 true DE69614500T2 (de) 2001-11-22

Family

ID=8225818

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69614500T Expired - Fee Related DE69614500T2 (de) 1996-02-27 1996-02-27 Speicherverminderung für das Grundprofil und die Hauptebene eines MPEG-2-Dekoders

Country Status (4)

Country Link
US (1) US5923375A (de)
EP (1) EP0793389B1 (de)
JP (1) JPH09247688A (de)
DE (1) DE69614500T2 (de)

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US6738980B2 (en) * 2001-11-15 2004-05-18 Industrial Technology Research Institute Methods and systems for video streaming with VCR functionality
US7003035B2 (en) 2002-01-25 2006-02-21 Microsoft Corporation Video coding methods and apparatuses
US20040001546A1 (en) 2002-06-03 2004-01-01 Alexandros Tourapis Spatiotemporal prediction for bidirectionally predictive (B) pictures and motion vector prediction for multi-picture reference motion compensation
US7154952B2 (en) 2002-07-19 2006-12-26 Microsoft Corporation Timestamp-independent motion vector prediction for predictive (P) and bidirectionally predictive (B) pictures
US9330060B1 (en) * 2003-04-15 2016-05-03 Nvidia Corporation Method and device for encoding and decoding video image data
US8660182B2 (en) * 2003-06-09 2014-02-25 Nvidia Corporation MPEG motion estimation based on dual start points
KR100517504B1 (ko) * 2003-07-01 2005-09-28 삼성전자주식회사 Ｂ-픽처의 움직임 보상 모드 결정방법 및 장치
US20050013498A1 (en) 2003-07-18 2005-01-20 Microsoft Corporation Coding of motion vector information
US8423597B1 (en) 2003-08-29 2013-04-16 Nvidia Corporation Method and system for adaptive matrix trimming in an inverse discrete cosine transform (IDCT) operation
US7724827B2 (en) 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7623574B2 (en) * 2003-09-07 2009-11-24 Microsoft Corporation Selecting between dominant and non-dominant motion vector predictor polarities
US7616692B2 (en) * 2003-09-07 2009-11-10 Microsoft Corporation Hybrid motion vector prediction for interlaced forward-predicted fields
US8064520B2 (en) 2003-09-07 2011-11-22 Microsoft Corporation Advanced bi-directional predictive coding of interlaced video
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
CN1323556C (zh) * 2004-02-25 2007-06-27 凌阳科技股份有限公司 可节省暂存器的双向动态补偿方法
TWI277013B (en) * 2005-02-01 2007-03-21 Ind Tech Res Inst Method for reducing buffered-frame memory sizes and accesses in a video codec
US7924914B2 (en) 2005-09-20 2011-04-12 Intel Corporation Dynamically configuring a video decoder cache for motion compensation
US8731071B1 (en) 2005-12-15 2014-05-20 Nvidia Corporation System for performing finite input response (FIR) filtering in motion estimation
US8724702B1 (en) 2006-03-29 2014-05-13 Nvidia Corporation Methods and systems for motion estimation used in video coding
US8660380B2 (en) * 2006-08-25 2014-02-25 Nvidia Corporation Method and system for performing two-dimensional transform on data value array with reduced power consumption
US20080267295A1 (en) * 2007-04-26 2008-10-30 Chih-Ta Star Sung Video decompression, de-interlacing and frame rate conversion with frame buffer compression
US8756482B2 (en) * 2007-05-25 2014-06-17 Nvidia Corporation Efficient encoding/decoding of a sequence of data frames
US20080291209A1 (en) * 2007-05-25 2008-11-27 Nvidia Corporation Encoding Multi-media Signals
US9118927B2 (en) * 2007-06-13 2015-08-25 Nvidia Corporation Sub-pixel interpolation and its application in motion compensated encoding of a video signal
US8254455B2 (en) 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
US8873625B2 (en) * 2007-07-18 2014-10-28 Nvidia Corporation Enhanced compression in representing non-frame-edge blocks of image frames
US8666181B2 (en) * 2008-12-10 2014-03-04 Nvidia Corporation Adaptive multiple engine image motion detection system and method
US8189666B2 (en) 2009-02-02 2012-05-29 Microsoft Corporation Local picture identifier and computation of co-located information
US20120236940A1 (en) * 2011-03-16 2012-09-20 Texas Instruments Incorporated Method for Efficient Parallel Processing for Real-Time Video Coding
US9798698B2 (en) 2012-08-13 2017-10-24 Nvidia Corporation System and method for multi-color dilu preconditioner
US9451257B2 (en) 2013-03-22 2016-09-20 Stmicroelectronics S.R.L. Method and apparatus for image encoding and/or decoding and related computer program products

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JPH05268590A (ja) * 1992-03-17 1993-10-15 Nec Corp 動画像符号化復号化回路
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
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
US5815646A (en) * 1993-04-13 1998-09-29 C-Cube Microsystems Decompression processor for video applications
US5684534A (en) * 1993-05-26 1997-11-04 Intel Corporation Task-splitting dual-processor system for motion estimation processing
FR2705805B1 (fr) * 1993-05-27 1996-06-28 Sgs Thomson Microelectronics Système de traitement d'images.
JP2515231B2 (ja) * 1993-06-30 1996-07-10 株式会社日本紡績用品研究所 ル―ズボストップロ―ラ
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
US5557538A (en) * 1994-05-18 1996-09-17 Zoran Microelectronics Ltd. MPEG decoder
JPH0837662A (ja) * 1994-07-22 1996-02-06 Hitachi Ltd 画像符号化復号化装置
TW245871B (en) * 1994-08-15 1995-04-21 Gen Instrument Corp Method and apparatus for efficient addressing of dram in a video decompression processor
US5623311A (en) * 1994-10-28 1997-04-22 Matsushita Electric Corporation Of America MPEG video decoder having a high bandwidth memory
US5644361A (en) * 1994-11-30 1997-07-01 National Semiconductor Corporation Subsampled frame storage technique for reduced memory size
JP3732867B2 (ja) * 1995-03-09 2006-01-11 株式会社ルネサステクノロジ 画像伸張装置
US5774206A (en) * 1995-05-10 1998-06-30 Cagent Technologies, Inc. Process for controlling an MPEG decoder
US5638531A (en) * 1995-06-07 1997-06-10 International Business Machines Corporation Multiprocessor integrated circuit with video refresh logic employing instruction/data caching and associated timing synchronization
EP0778709B1 (de) * 1995-12-04 2001-05-23 STMicroelectronics S.r.l. MPEG-2 Dekodierung mit reduziertem RAM Bedarf durch ADPCM Rekomprimierung vor der Speicherung von dekomprimierten MPEG-Daten
US5818533A (en) * 1996-08-08 1998-10-06 Lsi Logic Corporation Method and apparatus for decoding B frames in video codecs with minimal memory
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
DE69614500D1 (de) 2001-09-20
US5923375A (en) 1999-07-13
EP0793389B1 (de) 2001-08-16
EP0793389A1 (de) 1997-09-03
JPH09247688A (ja) 1997-09-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee