ATE333758T1 - Verfahren und gerät fur die inverse quantisierung von mpeg-4 video - Google Patents

Verfahren und gerät fur die inverse quantisierung von mpeg-4 video

Info

Publication number
ATE333758T1
ATE333758T1 AT99922736T AT99922736T ATE333758T1 AT E333758 T1 ATE333758 T1 AT E333758T1 AT 99922736 T AT99922736 T AT 99922736T AT 99922736 T AT99922736 T AT 99922736T AT E333758 T1 ATE333758 T1 AT E333758T1
Authority
AT
Austria
Prior art keywords
intra
coded
computed
coefficients
video
Prior art date
Application number
AT99922736T
Other languages
English (en)
Inventor
Xuemin Chen
Original Assignee
Gen Instrument 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 Gen Instrument Corp filed Critical Gen Instrument Corp
Application granted granted Critical
Publication of ATE333758T1 publication Critical patent/ATE333758T1/de

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
    • H04N19/10—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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object 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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
AT99922736T 1998-05-04 1999-04-27 Verfahren und gerät fur die inverse quantisierung von mpeg-4 video ATE333758T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8402598P 1998-05-04 1998-05-04

Publications (1)

Publication Number Publication Date
ATE333758T1 true ATE333758T1 (de) 2006-08-15

Family

ID=22182411

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99922736T ATE333758T1 (de) 1998-05-04 1999-04-27 Verfahren und gerät fur die inverse quantisierung von mpeg-4 video

Country Status (11)

Country Link
US (1) US6385242B1 (de)
EP (1) EP1078532B1 (de)
JP (1) JP4592185B2 (de)
KR (1) KR100597569B1 (de)
CN (1) CN1155261C (de)
AT (1) ATE333758T1 (de)
AU (1) AU748947C (de)
CA (1) CA2329725A1 (de)
DE (1) DE69932429T2 (de)
TW (1) TW421974B (de)
WO (1) WO1999057911A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6654931B1 (en) 1998-01-27 2003-11-25 At&T Corp. Systems and methods for playing, browsing and interacting with MPEG-4 coded audio-visual objects
US6650705B1 (en) * 2000-05-26 2003-11-18 Mitsubishi Electric Research Laboratories Inc. Method for encoding and transcoding multiple video objects with variable temporal resolution
US7295609B2 (en) * 2001-11-30 2007-11-13 Sony Corporation Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information
US6931061B2 (en) * 2002-11-13 2005-08-16 Sony Corporation Method of real time MPEG-4 texture decoding for a multiprocessor environment
CN101247524B (zh) * 2003-02-21 2011-05-04 松下电器产业株式会社 图像编码方法
TWI226805B (en) * 2003-08-28 2005-01-11 Mediatek Inc Efficient video codec system and related method
TWI228918B (en) * 2003-09-19 2005-03-01 Mediatek Inc Video predictive decoding method and apparatus
US20050100098A1 (en) * 2003-10-23 2005-05-12 Gong-Sheng Lin Highly integrated mpeg-4 video decoding unit
US7453938B2 (en) * 2004-02-06 2008-11-18 Apple Inc. Target bitrate estimator, picture activity and buffer management in rate control for video coder
US7986731B2 (en) * 2004-02-06 2011-07-26 Apple Inc. H.264/AVC coder incorporating rate and quality controller
US7869503B2 (en) * 2004-02-06 2011-01-11 Apple Inc. Rate and quality controller for H.264/AVC video coder and scene analyzer therefor
US7492820B2 (en) * 2004-02-06 2009-02-17 Apple Inc. Rate control for video coder employing adaptive linear regression bits modeling
JP5224459B2 (ja) * 2006-02-02 2013-07-03 トムソン ライセンシング 動き補償予測のための適応重み選択を行う方法および装置
JPWO2007094100A1 (ja) * 2006-02-13 2009-07-02 株式会社東芝 動画像符号化／復号化方法及び装置並びにプログラム
JP4621629B2 (ja) * 2006-05-25 2011-01-26 株式会社東芝 画像復号装置
US8588295B2 (en) * 2009-03-09 2013-11-19 Mediatek Inc. Methods and electronic devices for quantization and de-quantization
US20120183048A1 (en) * 2011-01-18 2012-07-19 Louis Joseph Kerofsky Video decoder with reduced dynamic range transform with multiple clipping
CN107018424B (zh) * 2011-05-20 2020-06-09 索尼公司 图像处理装置和图像处理方法
MX2014000055A (es) * 2011-06-30 2014-04-30 Samsung Electronics Co Ltd Método de codificación de video con ajuste de profundidad de bits para conversión de punto fijo y aparato para el mismo, y método de decodificación de video y aparato para el mismo.
FR3016764B1 (fr) * 2014-01-17 2016-02-26 Sagemcom Broadband Sas Procede et dispositif de transcodage de donnees video de h.264 vers h.265
WO2018049594A1 (en) * 2016-09-14 2018-03-22 Mediatek Inc. Methods of encoder decision for quad-tree plus binary tree structure

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06181522A (ja) * 1992-10-09 1994-06-28 Hudson Soft Co Ltd 画像処理方法および装置
KR0138641B1 (ko) * 1992-11-30 1998-05-15 구자홍 역양자화 장치
JPH06284412A (ja) * 1993-03-26 1994-10-07 Sony Corp 画像信号符号化方法および画像信号符号化装置、画像信号復号化方法および画像信号復号化装置、ならびに画像信号記録媒体
EP0714212A3 (de) * 1994-11-21 1999-03-31 SICAN, GESELLSCHAFT FÜR SILIZIUM-ANWENDUNGEN UND CAD/CAT NIEDERSACHSEN mbH Bilddekodierer mit konkurrierender Verarbeitung und Verteilung von Verarbeitungseinheiten
JP3385866B2 (ja) * 1996-08-29 2003-03-10 松下電器産業株式会社 逆量子化・逆ｄｃｔ回路
KR100501902B1 (ko) * 1996-09-25 2005-10-10 주식회사 팬택앤큐리텔 영상정보부호화/복호화장치및방법
US6208693B1 (en) * 1997-02-14 2001-03-27 At&T Corp Chroma-key for efficient and low complexity shape representation of coded arbitrary video objects
EP0921684B1 (de) * 1997-12-02 2005-11-02 Daewoo Electronics Corporation Verfahren und Gerät für die Kodierung von Objektinformation von einer Video-Objektebene
US6438165B2 (en) * 1998-03-09 2002-08-20 Lg Electronics Method and apparatus for advanced encoder system

Also Published As

Publication number Publication date
JP2002514868A (ja) 2002-05-21
CN1299563A (zh) 2001-06-13
EP1078532B1 (de) 2006-07-19
AU3966899A (en) 1999-11-23
AU748947B2 (en) 2002-06-13
KR20010043274A (ko) 2001-05-25
HK1037829A1 (en) 2002-02-15
TW421974B (en) 2001-02-11
DE69932429D1 (de) 2006-08-31
KR100597569B1 (ko) 2006-07-10
CA2329725A1 (en) 1999-11-11
JP4592185B2 (ja) 2010-12-01
US6385242B1 (en) 2002-05-07
AU748947C (en) 2003-01-30
CN1155261C (zh) 2004-06-23
EP1078532A1 (de) 2001-02-28
DE69932429T2 (de) 2007-03-08
WO1999057911A1 (en) 1999-11-11

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