BR9707821A - Método e aparelho para codificar ou decodificar dados de vídeo digital - Google Patents

Método e aparelho para codificar ou decodificar dados de vídeo digital

Info

Publication number
BR9707821A
BR9707821A BR9707821A BR9707821A BR9707821A BR 9707821 A BR9707821 A BR 9707821A BR 9707821 A BR9707821 A BR 9707821A BR 9707821 A BR9707821 A BR 9707821A BR 9707821 A BR9707821 A BR 9707821A
Authority
BR
Brazil
Prior art keywords
bit rate
playing time
normal
during
encoding
Prior art date
Application number
BR9707821A
Other languages
English (en)
Portuguese (pt)
Inventor
Meinolf Blawat
Carten Herpel
Original Assignee
Thomson Brandt Gmbh
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 Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of BR9707821A publication Critical patent/BR9707821A/pt

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
    • H04N19/169—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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/10—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • 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
    • H04N19/134—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

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)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
BR9707821A 1996-03-02 1997-02-22 Método e aparelho para codificar ou decodificar dados de vídeo digital BR9707821A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP96103269 1996-03-02
PCT/EP1997/000863 WO1997032436A1 (en) 1996-03-02 1997-02-22 Method and apparatus for encoding or decoding digital video data

Publications (1)

Publication Number Publication Date
BR9707821A true BR9707821A (pt) 1999-07-27

Family

ID=8222527

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9707821A BR9707821A (pt) 1996-03-02 1997-02-22 Método e aparelho para codificar ou decodificar dados de vídeo digital

Country Status (13)

Country Link
US (1) US6198878B1 (https=)
EP (1) EP0883965B1 (https=)
JP (1) JP4273207B2 (https=)
KR (1) KR100450155B1 (https=)
CN (1) CN1112809C (https=)
AT (1) ATE191116T1 (https=)
AU (1) AU719364B2 (https=)
BR (1) BR9707821A (https=)
DE (1) DE69701515T2 (https=)
ES (1) ES2144848T3 (https=)
ID (1) ID16112A (https=)
MY (1) MY118129A (https=)
WO (1) WO1997032436A1 (https=)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3791720B2 (ja) * 1997-06-11 2006-06-28 ソニー株式会社 伝送装置及び伝送方法
US7113523B1 (en) * 1997-06-11 2006-09-26 Sony Corporation Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device
TW385436B (en) 1997-12-12 2000-03-21 Toshiba Corp Digital recording system using variable recording rate
US7289723B2 (en) 1997-12-12 2007-10-30 Kabushiki Kaisha Toshiba Digital recording system using variable recording rate
WO1999034543A1 (fr) * 1997-12-31 1999-07-08 Sony Corporation Dispositif et procede de sortie de donnees codees
US6278735B1 (en) 1998-03-19 2001-08-21 International Business Machines Corporation Real-time single pass variable bit rate control strategy and encoder
US6532262B1 (en) * 1998-07-22 2003-03-11 Matsushita Electric Industrial Co., Ltd. Coding method and apparatus and recorder
US6665728B1 (en) * 1998-12-30 2003-12-16 Intel Corporation Establishing optimal latency in streaming data applications that use data packets
DE60035740T2 (de) * 1999-06-22 2007-12-06 Victor Company of Japan, Ltd., Yokohama Vorrichtung und Verfahren zur Kodierung von Bewegtbildsignalen
GB0013273D0 (en) * 2000-06-01 2000-07-26 Philips Electronics Nv Video signal encoding and buffer management
US6694060B2 (en) * 2000-12-21 2004-02-17 General Instrument Corporation Frame bit-size allocation for seamlessly spliced, variable-encoding-rate, compressed digital video signals
US7050497B2 (en) * 2001-03-28 2006-05-23 Thomson Licensing Process and device for the video coding of high definition images
US6925120B2 (en) * 2001-09-24 2005-08-02 Mitsubishi Electric Research Labs, Inc. Transcoder for scalable multi-layer constant quality video bitstreams
US7418037B1 (en) * 2002-07-15 2008-08-26 Apple Inc. Method of performing rate control for a compression system
US7940843B1 (en) 2002-12-16 2011-05-10 Apple Inc. Method of implementing improved rate control for a multimedia compression and encoding system
US7804897B1 (en) * 2002-12-16 2010-09-28 Apple Inc. Method for implementing an improved quantizer in a multimedia compression and encoding system
JP4263140B2 (ja) 2003-08-04 2009-05-13 Ｎｅｃエレクトロニクス株式会社 データ記録装置、データ記録方法及び記録制御プログラム
US7346106B1 (en) * 2003-12-30 2008-03-18 Apple Inc. Robust multi-pass variable bit rate encoding
CN1961583A (zh) * 2004-05-28 2007-05-09 皇家飞利浦电子股份有限公司 用于编码数据流的方法和设备
US20060209954A1 (en) * 2005-03-16 2006-09-21 Limin Wang Method and apparatus for providing a rate control for interlace coding
RU2389145C2 (ru) * 2005-04-11 2010-05-10 Телефонактиеболагет Лм Эрикссон (Пабл) Способ управления передачами пакетов данных для данных с переменным битрейтом
US8363717B2 (en) * 2005-05-17 2013-01-29 Canon Kabushiki Kaisha Image processing apparatus
US7822117B1 (en) * 2005-09-30 2010-10-26 Ambarella, Inc. Video encoder rate control using bit usage measuring and allocating by macroblock classes
CN101312530B (zh) * 2007-05-24 2010-12-01 中兴通讯股份有限公司 平滑时分流媒体传输码率的方法及装置
US8370520B2 (en) * 2008-11-24 2013-02-05 Juniper Networks, Inc. Adaptive network content delivery system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134476A (en) 1990-03-30 1992-07-28 At&T Bell Laboratories Video signal encoding with bit rate control
GB9012538D0 (en) * 1990-06-05 1990-07-25 Philips Nv Coding of video signals
DE69330043T2 (de) * 1992-10-28 2001-07-19 Victor Company Of Japan, Ltd. Kodiervorrichtung und -verfahren mit variablen Übertragungsraten
GB2280566B (en) * 1993-07-30 1997-06-11 Sony Uk Ltd Video data compression
JPH07212710A (ja) * 1994-01-21 1995-08-11 Hitachi Ltd 画像送信方法および画像送信装置および画像受信方法および画像受信装置および可変速度対応蓄積装置
EP0670663A1 (fr) 1994-03-02 1995-09-06 Laboratoires D'electronique Philips S.A.S. Procédé et dispositif de codage de signaux numériques représentatifs d'une séquence d'images
US5974223A (en) * 1995-04-08 1999-10-26 Sony Corporation Method of and apparatus for data recording, method of and apparatus for data reproduction, recording medium, and method of and apparatus for data transmission

Also Published As

Publication number Publication date
EP0883965B1 (en) 2000-03-22
DE69701515D1 (de) 2000-04-27
WO1997032436A1 (en) 1997-09-04
US6198878B1 (en) 2001-03-06
ES2144848T3 (es) 2000-06-16
CN1112809C (zh) 2003-06-25
KR19990087156A (ko) 1999-12-15
ATE191116T1 (de) 2000-04-15
KR100450155B1 (ko) 2004-12-14
HK1018151A1 (en) 1999-12-10
JP2000505619A (ja) 2000-05-09
AU719364B2 (en) 2000-05-04
MY118129A (en) 2004-09-30
AU2092397A (en) 1997-09-16
CN1212811A (zh) 1999-03-31
JP4273207B2 (ja) 2009-06-03
DE69701515T2 (de) 2000-07-20
ID16112A (id) 1997-09-04
EP0883965A1 (en) 1998-12-16

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 22/02/2017

B15K Others concerning applications: alteration of classification

Ipc: H04N 19/177 (2014.01), H04N 19/115 (2014.0