HK1037829A1 - Method and apparatus for inverse quantization of mpeg-4 video. - Google Patents

Method and apparatus for inverse quantization of mpeg-4 video.

Info

Publication number
HK1037829A1
HK1037829A1 HK01108418A HK01108418A HK1037829A1 HK 1037829 A1 HK1037829 A1 HK 1037829A1 HK 01108418 A HK01108418 A HK 01108418A HK 01108418 A HK01108418 A HK 01108418A HK 1037829 A1 HK1037829 A1 HK 1037829A1
Authority
HK
Hong Kong
Prior art keywords
intra
coded
computed
coefficients
video
Prior art date
Application number
HK01108418A
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
Publication of HK1037829A1 publication Critical patent/HK1037829A1/xx

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
    • H04N19/20—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
    • 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

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)
HK01108418A 1998-05-04 2001-11-30 Method and apparatus for inverse quantization of mpeg-4 video. HK1037829A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8402598P 1998-05-04 1998-05-04
PCT/US1999/009088 WO1999057911A1 (fr) 1998-05-04 1999-04-27 Procede et dispositif pour la quantification inverse de signaux video mpeg-4

Publications (1)

Publication Number Publication Date
HK1037829A1 true HK1037829A1 (en) 2002-02-15

Family

ID=22182411

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01108418A HK1037829A1 (en) 1998-05-04 2001-11-30 Method and apparatus for inverse quantization of mpeg-4 video.

Country Status (12)

Country Link
US (1) US6385242B1 (fr)
EP (1) EP1078532B1 (fr)
JP (1) JP4592185B2 (fr)
KR (1) KR100597569B1 (fr)
CN (1) CN1155261C (fr)
AT (1) ATE333758T1 (fr)
AU (1) AU748947C (fr)
CA (1) CA2329725A1 (fr)
DE (1) DE69932429T2 (fr)
HK (1) HK1037829A1 (fr)
TW (1) TW421974B (fr)
WO (1) WO1999057911A1 (fr)

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
BRPI0406507B1 (pt) * 2003-02-21 2018-10-16 Matsushita Electric Ind Co Ltd método de codificação de imagem e método de decodificação de imagem
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
US7492820B2 (en) * 2004-02-06 2009-02-17 Apple Inc. Rate control for video coder employing adaptive linear regression bits modeling
US7869503B2 (en) * 2004-02-06 2011-01-11 Apple Inc. Rate and quality controller for H.264/AVC video coder and scene analyzer therefor
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
KR101406156B1 (ko) * 2006-02-02 2014-06-13 톰슨 라이센싱 움직임 보상 예측을 위한 적응 가중 선택 방법 및 장치
BRPI0621340A2 (pt) * 2006-02-13 2011-12-06 Toshiba Kk Toshiba Corp método e aparelho e programa de codificação/decodificação de vìdeo
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
US9641840B2 (en) 2011-05-20 2017-05-02 Sony Corporation Processing device and image processing method for encoding and decoding image
TWI502970B (zh) * 2011-06-30 2015-10-01 Samsung Electronics Co Ltd 以對固定點轉換之位元深度控制做視訊編碼之方法與裝置以及以對固定點轉換之位元深度控制做視訊解碼之方法與裝置
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 (fr) * 2016-09-14 2018-03-22 Mediatek Inc. Procédés de décision de codeur pour une structure d'arbre binaire et d'arbre quaternaire

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 (fr) * 1994-11-21 1999-03-31 SICAN, GESELLSCHAFT FÜR SILIZIUM-ANWENDUNGEN UND CAD/CAT NIEDERSACHSEN mbH Décodeur vidéo employant traitement concurrent et partage de ressources
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
US6125142A (en) * 1997-12-02 2000-09-26 Daewoo Electronics Co., Ltd. Method and apparatus for encoding object information of a video object plane
US6438165B2 (en) * 1998-03-09 2002-08-20 Lg Electronics Method and apparatus for advanced encoder system

Also Published As

Publication number Publication date
DE69932429D1 (de) 2006-08-31
JP4592185B2 (ja) 2010-12-01
CN1299563A (zh) 2001-06-13
EP1078532B1 (fr) 2006-07-19
AU748947C (en) 2003-01-30
WO1999057911A1 (fr) 1999-11-11
CN1155261C (zh) 2004-06-23
EP1078532A1 (fr) 2001-02-28
JP2002514868A (ja) 2002-05-21
TW421974B (en) 2001-02-11
KR20010043274A (ko) 2001-05-25
US6385242B1 (en) 2002-05-07
ATE333758T1 (de) 2006-08-15
KR100597569B1 (ko) 2006-07-10
AU748947B2 (en) 2002-06-13
AU3966899A (en) 1999-11-23
DE69932429T2 (de) 2007-03-08
CA2329725A1 (fr) 1999-11-11

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080427