ATE297635T1 - Verfahren und vorrichtung zur umkodierung eines videodatenstroms - Google Patents

Verfahren und vorrichtung zur umkodierung eines videodatenstroms

Info

Publication number
ATE297635T1
ATE297635T1 AT03715077T AT03715077T ATE297635T1 AT E297635 T1 ATE297635 T1 AT E297635T1 AT 03715077 T AT03715077 T AT 03715077T AT 03715077 T AT03715077 T AT 03715077T AT E297635 T1 ATE297635 T1 AT E297635T1
Authority
AT
Austria
Prior art keywords
complexity
image
recoded
recoding
images
Prior art date
Application number
AT03715077T
Other languages
English (en)
Inventor
Xavier Ducloux
Patrice Alexandre
Patrick Dumenil
Original Assignee
Nextream France
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 Nextream France filed Critical Nextream France
Application granted granted Critical
Publication of ATE297635T1 publication Critical patent/ATE297635T1/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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/102—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
    • 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
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/10—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
    • 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)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Recording Measured Values (AREA)
  • Closed-Circuit Television Systems (AREA)
AT03715077T 2002-02-11 2003-02-10 Verfahren und vorrichtung zur umkodierung eines videodatenstroms ATE297635T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0201744A FR2835995B1 (fr) 2002-02-11 2002-02-11 Dispositif et methode de recodage d'un flux de donnees video
PCT/FR2003/000409 WO2003069915A2 (fr) 2002-02-11 2003-02-10 Dispositif et methode de recodage d'un flux de donnees video

Publications (1)

Publication Number Publication Date
ATE297635T1 true ATE297635T1 (de) 2005-06-15

Family

ID=27620144

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03715077T ATE297635T1 (de) 2002-02-11 2003-02-10 Verfahren und vorrichtung zur umkodierung eines videodatenstroms

Country Status (9)

Country Link
US (1) US7907666B2 (de)
EP (1) EP1474928B1 (de)
CN (1) CN1311689C (de)
AT (1) ATE297635T1 (de)
AU (1) AU2003219272A1 (de)
DE (1) DE60300818T2 (de)
ES (1) ES2243897T3 (de)
FR (1) FR2835995B1 (de)
WO (1) WO2003069915A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7263126B2 (en) * 2003-09-15 2007-08-28 Sharp Laboratories Of America, Inc. System and method for transcoding with adaptive bit rate control

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69607696T2 (de) * 1995-02-15 2000-10-19 Koninklijke Philips Electronics N.V., Eindhoven Vorrichtung und verfahren zur transkodierung von videosignalen
EP0756800B1 (de) * 1995-02-22 2000-05-10 Koninklijke Philips Electronics N.V. System zur simultanen übertragung mehrerer videoprogramme über einen übertragungskanal
US6100940A (en) * 1998-01-21 2000-08-08 Sarnoff Corporation Apparatus and method for using side information to improve a coding system
US6167084A (en) * 1998-08-27 2000-12-26 Motorola, Inc. Dynamic bit allocation for statistical multiplexing of compressed and uncompressed digital video signals
JP3871840B2 (ja) * 1999-12-24 2007-01-24 日本電気株式会社 圧縮動画像再符号化装置
US6731685B1 (en) * 2000-09-20 2004-05-04 General Instrument Corporation Method and apparatus for determining a bit rate need parameter in a statistical multiplexer
US6950463B2 (en) * 2001-06-13 2005-09-27 Microsoft Corporation Non-compensated transcoding of a video stream

Also Published As

Publication number Publication date
WO2003069915A3 (fr) 2004-03-25
AU2003219272A1 (en) 2003-09-04
CN1311689C (zh) 2007-04-18
US7907666B2 (en) 2011-03-15
FR2835995A1 (fr) 2003-08-15
DE60300818D1 (de) 2005-07-14
FR2835995B1 (fr) 2004-05-14
ES2243897T3 (es) 2005-12-01
EP1474928B1 (de) 2005-06-08
US20050254791A1 (en) 2005-11-17
EP1474928A2 (de) 2004-11-10
DE60300818T2 (de) 2006-03-16
WO2003069915A2 (fr) 2003-08-21
AU2003219272A8 (en) 2003-09-04
CN1628464A (zh) 2005-06-15

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