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MXPA04004422A - Codificacion y decodificacion de video de primer plano y de fondo, en donde la imagen es dividida en rebanadas. - Google Patents

Codificacion y decodificacion de video de primer plano y de fondo, en donde la imagen es dividida en rebanadas.

Info

Publication number
MXPA04004422A
MXPA04004422A MXPA04004422A MXPA04004422A MXPA04004422A MX PA04004422 A MXPA04004422 A MX PA04004422A MX PA04004422 A MXPA04004422 A MX PA04004422A MX PA04004422 A MXPA04004422 A MX PA04004422A MX PA04004422 A MXPA04004422 A MX PA04004422A
Authority
MX
Mexico
Prior art keywords
picture
sub
pictures
background
slices
Prior art date
Application number
MXPA04004422A
Other languages
English (en)
Inventor
Wang Ye-Kui
Original Assignee
Nokia 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9926514&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MXPA04004422(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Corp filed Critical Nokia Corp
Publication of MXPA04004422A publication Critical patent/MXPA04004422A/es

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
    • H04N19/29—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding involving scalability at the object level, e.g. video object layer [VOL]
    • 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
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/23—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding with coding of regions that are present throughout a whole video segment, e.g. sprites, background or mosaic

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 Systems (AREA)
  • Editing Of Facsimile Originals (AREA)

Abstract

Un metodo de codificacion y decodificacion de video, en donde una imagen primero se divide en subimagenes correspondientes a una o mas regiones de imagen subjetivamente importantes y a una subimagen de region de fondo, que queda despues de que las otras subimagenes son removidas de la imagen. La subimagenes se forman para conformarse a grupos permisibles predeterminados de macrobloques de codificacion de video (MBs). Los grupos permisibles de MBs pueden ser, por ejemplo, de forma rectangular. La imagen despues se divide en rebanadas de modo que cada subimagen es codificada independiente de otras subimagenes excepto por la subimagen de region de fondo, que puede ser codificada mediante el uso de otras subimagenes. Las rebanadas de la subimagen de fondo se forman en un orden de escaneo con saltos sobre los MBs que pertenecen a otra subimagen. La subimagen de fondo es unicamente decodificada si todas las posiciones y tamanos de todas las otras subimagenes pueden ser reconstruidas al decodificar la imagen.
MXPA04004422A 2001-11-27 2002-11-22 Codificacion y decodificacion de video de primer plano y de fondo, en donde la imagen es dividida en rebanadas. MXPA04004422A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0128359A GB2382940A (en) 2001-11-27 2001-11-27 Encoding objects and background blocks
PCT/IB2002/004932 WO2003047266A1 (en) 2001-11-27 2002-11-22 Video encoding and decoding of foreground and background; wherein picture is divided into slices

Publications (1)

Publication Number Publication Date
MXPA04004422A true MXPA04004422A (es) 2004-08-11

Family

ID=9926514

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04004422A MXPA04004422A (es) 2001-11-27 2002-11-22 Codificacion y decodificacion de video de primer plano y de fondo, en donde la imagen es dividida en rebanadas.

Country Status (13)

Country Link
US (2) US7206456B2 (es)
EP (1) EP1452037B1 (es)
JP (1) JP4485796B2 (es)
CN (1) CN1593065B (es)
AT (1) ATE474421T1 (es)
AU (1) AU2002347489A1 (es)
BR (2) BR0214410A (es)
DE (1) DE60237028D1 (es)
ES (1) ES2347537T3 (es)
GB (1) GB2382940A (es)
HU (1) HU229462B1 (es)
MX (1) MXPA04004422A (es)
WO (1) WO2003047266A1 (es)

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Also Published As

Publication number Publication date
BRPI0214410B1 (pt) 2019-07-02
US7206456B2 (en) 2007-04-17
DE60237028D1 (de) 2010-08-26
JP4485796B2 (ja) 2010-06-23
GB2382940A (en) 2003-06-11
BR0214410A (pt) 2004-09-14
US20070183676A1 (en) 2007-08-09
HUP0402623A2 (hu) 2005-07-28
CN1593065A (zh) 2005-03-09
ES2347537T3 (es) 2010-11-02
CN1593065B (zh) 2010-05-05
EP1452037A1 (en) 2004-09-01
ATE474421T1 (de) 2010-07-15
US20030112867A1 (en) 2003-06-19
WO2003047266A1 (en) 2003-06-05
GB0128359D0 (en) 2002-01-16
EP1452037B1 (en) 2010-07-14
AU2002347489A1 (en) 2003-06-10
JP2005510982A (ja) 2005-04-21
HU229462B1 (en) 2013-12-30

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