HUP0402623A2 - Eljárás videokódolásra, kép videodekódolására, videokódoló, videodekódoló, számítógépes programtermék, valamint videojel - Google Patents

Eljárás videokódolásra, kép videodekódolására, videokódoló, videodekódoló, számítógépes programtermék, valamint videojel

Info

Publication number
HUP0402623A2
HUP0402623A2 HU0402623A HUP0402623A HUP0402623A2 HU P0402623 A2 HUP0402623 A2 HU P0402623A2 HU 0402623 A HU0402623 A HU 0402623A HU P0402623 A HUP0402623 A HU P0402623A HU P0402623 A2 HUP0402623 A2 HU P0402623A2
Authority
HU
Hungary
Prior art keywords
video
sub
image
images
computer program
Prior art date
Application number
HU0402623A
Other languages
English (en)
Inventor
Miska Hannuksela
Ye-Kui Wang
Original Assignee
Nokia Corporation
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=HUP0402623(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Corporation filed Critical Nokia Corporation
Publication of HUP0402623A2 publication Critical patent/HUP0402623A2/hu
Publication of HU229462B1 publication Critical patent/HU229462B1/hu

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
    • H04N19/20—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
    • 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

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

A találmány tárgyát videokódoló és -dekódoló eljárás képezi, amelyneksorán a képet először egy vagy több szubjektív szempontból fontosképrégiónak megfelelő alképekre, valamit egy, a képből a többi alképeltávolítása után maradó háttér régió alképre bontják. Az alképeketvideokódoló makroblokkok (MB-k) előre meghatározott, engedélyezettcsoportjainak megfelelően alakítják ki. Az MB-k engedélyezettcsoportjai lehetnek például téglalap alakúak. A képet ezutánszeletekre osztják fel úgy, hogy az egyes alképek a többi alképtólfüggetlenül kerülnek kódolásra, kivéve a háttérrégió alképet, amelymás alképek használatával lehet kódolva. A háttéralkép szeleteiletapogatási sorrendben a más alképekhez tartozó MB-k átugrásávalkerülnek kialakításra. A háttéralképet csak akkor dekódolják, ameny-nyiben az össszes többi alkép pozíciója és mérete rekonstruálható akép dekódolása közben. A találmány tárgya továbbá videokódoló,videodekódoló számítógépes programtermék, valamint videojel is. Ó
HU0402623A 2001-11-27 2002-11-22 Method of video coding, video coder, further computer program product HU229462B1 (en)

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 (2)

Publication Number Publication Date
HUP0402623A2 true HUP0402623A2 (hu) 2005-07-28
HU229462B1 HU229462B1 (en) 2013-12-30

Family

ID=9926514

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0402623A HU229462B1 (en) 2001-11-27 2002-11-22 Method of video coding, video coder, further computer program product

Country Status (13)

Country Link
US (2) US7206456B2 (hu)
EP (1) EP1452037B1 (hu)
JP (1) JP4485796B2 (hu)
CN (1) CN1593065B (hu)
AT (1) ATE474421T1 (hu)
AU (1) AU2002347489A1 (hu)
BR (2) BRPI0214410B1 (hu)
DE (1) DE60237028D1 (hu)
ES (1) ES2347537T3 (hu)
GB (1) GB2382940A (hu)
HU (1) HU229462B1 (hu)
MX (1) MXPA04004422A (hu)
WO (1) WO2003047266A1 (hu)

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Also Published As

Publication number Publication date
US20070183676A1 (en) 2007-08-09
GB0128359D0 (en) 2002-01-16
DE60237028D1 (de) 2010-08-26
GB2382940A (en) 2003-06-11
EP1452037B1 (en) 2010-07-14
MXPA04004422A (es) 2004-08-11
ATE474421T1 (de) 2010-07-15
HU229462B1 (en) 2013-12-30
JP2005510982A (ja) 2005-04-21
BRPI0214410B1 (pt) 2019-07-02
JP4485796B2 (ja) 2010-06-23
CN1593065B (zh) 2010-05-05
US7206456B2 (en) 2007-04-17
CN1593065A (zh) 2005-03-09
BR0214410A (pt) 2004-09-14
EP1452037A1 (en) 2004-09-01
ES2347537T3 (es) 2010-11-02
WO2003047266A1 (en) 2003-06-05
US20030112867A1 (en) 2003-06-19
AU2002347489A1 (en) 2003-06-10

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