DK2924995T3 - Fremgangsmåde til videoafkodning, ved at anvende bloksammenlægning - Google Patents

Fremgangsmåde til videoafkodning, ved at anvende bloksammenlægning Download PDF

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Publication number
DK2924995T3
DK2924995T3 DK15166149.3T DK15166149T DK2924995T3 DK 2924995 T3 DK2924995 T3 DK 2924995T3 DK 15166149 T DK15166149 T DK 15166149T DK 2924995 T3 DK2924995 T3 DK 2924995T3
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Prior art keywords
unit
information
data unit
prediction
merging
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DK15166149.3T
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English (en)
Inventor
Tammy Lee
Woo-Jin Han
Il-Koo Kim
Sun-Il Lee
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Samsung Electronics Co Ltd
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Priority claimed from KR20110006486A external-priority patent/KR101484281B1/ko
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Publication of DK2924995T3 publication Critical patent/DK2924995T3/da

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    • 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
    • H04N19/102—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
    • 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
    • H04N19/134—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
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/157—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
    • H04N19/174—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
    • H04N19/10—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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Claims (2)

1. Fremgangsmåde til at afkode en video, hvor fremgangsmåden omfatter: at tilvejebringe et overspringsflag for en kodningsenhed, hvilket overspringsflag indikerer hvorvidt en indkodningsmodus for kodningsenheden er en overspringsmodus, fra en bitstrøm, at tilvejebringe et sammenlægningsindeks, der indikerer én blok blandt en kandi-datblokgruppe, for kodningsenheden, fra bitstrømmen, når overspringsflaget indikerer, at indkodningsmodusen, for kodningsenheden, er i overspringsmodusen, når overspringsflaget indikerer, at indkodningsmodusen, for kodningsenheden ikke er overspringsmodusen: at tilvejebringe information om en partitionstype, fra bitstrømmen; at bestemme mindst én partition, som indbefatter en partition fra kodningsenhe den, baseret på informationen om partitionstypen; og at tilvejebringe sammenlægningsinformation for partitionen, hvor sammenlæg ningsinformationen af partitionen indikerer, hvorvidt partitionen blandt én eller flere partitioner er afkodet i en sammenlægningsmodus; et sammenlægningsindeks, som indikerer én blok blandt kandidatblokgruppen for den partition, der er tilvejebragt fra bitstrømmen, når sammenlægningsinformationen for partitionen indikerer sammenlægningsmodusen; og at udføre bevægelseskompensation på partitionen, ved at anvende bevægelsesinformation af den blok, som sammenlægningsindekset indikerer, kendetegnet ved, at kandidatblokgruppen for partitionen indbefatter én eller flere blokke fra blandt de følgende tre nærtliggende blokke af kodningsenheden: en venstre-nedre-blok, der er placeret på en venstre side af en blok, der er yderst til venstre, blandt nedre blokke direkte under en nedre grænse af kodningsenheden, hvor den venstre-nedre-blok er placeret under en blok, der er nederst, blandt venstre blokke tilstødende til en venstre grænse af kodningsenheden, en venstre-øvre-blok, der er placeret på en venstre side af en blok, der er yderst til venstre, blandt øvre blokke direkte over en øvre grænse af kodningsenheden, hvor den venstre-øvre-blok er placeret over en blok, der er øverst, blandt de venstre blokke tilstødende til en venstre grænse af kodningsenheden, og en højre-øvre-blok, der er placeret på en højre side af en blok, som er yderst til højre, blandt de øvre blokke direkte over den øvre grænse af kodningsenheden.
2. Fremgangsmåde ifølge krav 1, hvor fremgangsmåden yderligere omfatter, at udføre bevægelseskompensation på partitionen, ved at anvende bevægelsesinformation af én blandt de nærtliggende blokke tilstødende til partitionen, når partitionsinfor-mationen af partitionen er afledt fra forudsigelsesinformationen af de nærtliggende blokke.
DK15166149.3T 2010-07-09 2011-07-07 Fremgangsmåde til videoafkodning, ved at anvende bloksammenlægning DK2924995T3 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US36282910P 2010-07-09 2010-07-09
US36795210P 2010-07-27 2010-07-27
KR20110006486A KR101484281B1 (ko) 2010-07-09 2011-01-21 블록 병합을 이용한 비디오 부호화 방법 및 그 장치, 블록 병합을 이용한 비디오 복호화 방법 및 그 장치
EP11803806.6A EP2580912B1 (en) 2010-07-09 2011-07-07 Method for decoding video by using block merging

Publications (1)

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DK2924995T3 true DK2924995T3 (da) 2018-10-01

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Application Number Title Priority Date Filing Date
DK15166149.3T DK2924995T3 (da) 2010-07-09 2011-07-07 Fremgangsmåde til videoafkodning, ved at anvende bloksammenlægning
DK14193556.9T DK2858366T3 (da) 2010-07-09 2011-07-07 Fremgangsmåde til at afkode video ved at anvende bloksammenlægning
DK15166150.1T DK2924996T3 (da) 2010-07-09 2011-07-07 Apparat til videoafkodning, ved at anvende bloksammenlægning
DK15154330.3T DK2897365T3 (da) 2010-07-09 2011-07-07 Apparat til at afkode video ved at anvende bloksammenlægning

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DK14193556.9T DK2858366T3 (da) 2010-07-09 2011-07-07 Fremgangsmåde til at afkode video ved at anvende bloksammenlægning
DK15166150.1T DK2924996T3 (da) 2010-07-09 2011-07-07 Apparat til videoafkodning, ved at anvende bloksammenlægning
DK15154330.3T DK2897365T3 (da) 2010-07-09 2011-07-07 Apparat til at afkode video ved at anvende bloksammenlægning

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US (6) US8885727B2 (da)
EP (4) EP2858366B1 (da)
CY (4) CY1118582T1 (da)
DK (4) DK2924995T3 (da)
PL (1) PL2924995T3 (da)
RS (1) RS57809B1 (da)
SI (1) SI2924995T1 (da)
WO (1) WO2012005520A2 (da)

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