DK2911399T3 - Fremgangsmåde for at afkode billeder - Google Patents

Fremgangsmåde for at afkode billeder Download PDF

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Publication number
DK2911399T3
DK2911399T3 DK15161956.6T DK15161956T DK2911399T3 DK 2911399 T3 DK2911399 T3 DK 2911399T3 DK 15161956 T DK15161956 T DK 15161956T DK 2911399 T3 DK2911399 T3 DK 2911399T3
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coding unit
depth
unit
information
split
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DK15161956.6T
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English (en)
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Hae-Kyung Jung
Min-Su Cheon
Jung-Hye Min
Il-Koo Kim
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Samsung Electronics Co Ltd
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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
    • H04N19/102—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image 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
    • H04N19/103—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
    • H04N19/115—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/172—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
    • H04N19/17—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/50—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
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion 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
    • H04N19/90—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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Claims (1)

1. Fremgangsmåde til at afkode et billede, hvor fremgangsmåden omfatter: at ekstrahere information, om en maksimalstørrelse af en kodningsenhed, og opsplitningsinformation, som indikerer hvorvidt en kodningsenhed med en dybde k skal opsplittes, hvor k er et heltal, i kodningsenheder, som har en dybde k+1, fra en bitstrøm, som indbefatter indkodet data af billedet; at bestemme en opsplitningsstruktur af en firkantformet maksimal kodningsenhed, ifølge opsplitningsinformationen, således at den maksimale kodningsenhed er hierarkisk opsplittet som dybden øges; og at ekstrahere overspringsinformation, som indikerer hvorvidt en forudsigelsesmodus af en nuværende kodningsenhed er en overspringsmodus, fra bitstrømmen, hvor billedet er opsplittet i en flerhed af firkantformet maksimale kodningsenheder, ifølge informationen om den maksimale størrelse af kodningsenheden, en maksimal kodningsenhed fra flerheden af maksimale kodningsenheder er hierarkisk opsplittet i én eller flere firkantformet kodningsenheder, som har dybder ifølge opsplitningsinformationen, en kodningsenhed af en nuværende dybde i, hvor i er et heltal, er én af samme størrelse og firkantformet dataenheder, som er opsplittet fra en kodningsenhed, som har en dybde i-1, når opsplitningsinformationen indikerer en opsplitning for kodningsenheden af den nuværende dybde i, bliver kodningsenheden af den nuværende dybde i opsplittet i kodningsenheder af en dybde i+1, uafhængigt af nabokodningsenheder, når opsplitningsinformationen indikerer en ikke-opsplitning af kodningsenheden af den nuværende dybde i, bliver kodningsenheden af den nuværende dybde i bestemt, som den nuværende kodningsenhed, som ikke længere er opsplittet, overspringsinformationen af den nuværende kodningsenhed er tilvejebragt, og én eller flere firkantformet transformationsenheder, som bruges til at udføre invers-transformation for den nuværende kodningsenhed, er tilvejebragt fra den nuværende kodningsenhed baseret på en transformationsenhedsstørrelsesinformation, som er tilvejebragt fra bitstrømmen, hvor den ene eller flere firkantformet transformationsenheder er forskellige fra én eller flere forudsigelsesenheder, som bruges, til at udføre forudsigelsesafkodning for den nuværende kodningsenhed, at bestemme den nuværende kodningsenhed som én forudsigelsesenhed hvis forudsigelsesmodus er overspringsmodusen, når overspringsinformationen indikerer, at forudsi-gelsesmodusen af den nuværende kodningsenhed er overspringsmodusen, og at tilvejebringe den ene eller flere forudsigelsesenheder fra den nuværende kodningsenhed, ved at opsplitte ligeligt en bredde eller en højde af den nuværende kodningsenhed i to, eller ved at ligeligt opsplitte både højden og bredden af den nuværende kodningsenhed i to, eller at bestemme den nuværende kodningsenhed som den ene forudsigelsesenhed, baseret på en partitionstypeinformation af den nuværende kodningsenhed, hvor partitionstypeinformationen er tilvejebragt fra bitstrømmen, når overspringsinformationen indikerer, at forudsigelsesmodusen af den nuværende kodningsenhed ikke er over-springsmodusen.
DK15161956.6T 2009-07-24 2010-07-23 Fremgangsmåde for at afkode billeder DK2911399T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090067827A KR101483750B1 (ko) 2009-07-24 2009-07-24 영상의 부호화 방법 및 장치, 영상 복호화 방법 및 장치
EP10802493.6A EP2458860B1 (en) 2009-07-24 2010-07-23 Method for decoding an image

Publications (1)

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DK2911399T3 true DK2911399T3 (da) 2018-10-29

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ID=43499569

Family Applications (4)

Application Number Title Priority Date Filing Date
DK15161960.8T DK2911401T3 (da) 2009-07-24 2010-07-23 Fremgangsmåde til at afkode billeder
DK15161956.6T DK2911399T3 (da) 2009-07-24 2010-07-23 Fremgangsmåde for at afkode billeder
DK15161952.5T DK2911398T3 (da) 2009-07-24 2010-07-23 Apparat til at afkode billeder
DK15161957.4T DK2911400T3 (da) 2009-07-24 2010-07-23 Apparat til at afkode billeder

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DK15161960.8T DK2911401T3 (da) 2009-07-24 2010-07-23 Fremgangsmåde til at afkode billeder

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DK15161952.5T DK2911398T3 (da) 2009-07-24 2010-07-23 Apparat til at afkode billeder
DK15161957.4T DK2911400T3 (da) 2009-07-24 2010-07-23 Apparat til at afkode billeder

Country Status (16)

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US (6) US8768081B2 (da)
EP (5) EP2911398B1 (da)
JP (6) JP5912079B2 (da)
KR (1) KR101483750B1 (da)
CN (7) CN104469364B (da)
CY (4) CY1120823T1 (da)
DK (4) DK2911401T3 (da)
ES (5) ES2691984T3 (da)
HR (4) HRP20181644T1 (da)
HU (5) HUE043030T2 (da)
LT (4) LT2911399T (da)
PL (5) PL2911398T3 (da)
PT (4) PT2911400T (da)
SI (4) SI2911401T1 (da)
TR (3) TR201815012T4 (da)
WO (1) WO2011010900A2 (da)

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US8885958B2 (en) 2014-11-11
TR201814997T4 (tr) 2018-11-21
JP2015233305A (ja) 2015-12-24
EP2458860A4 (en) 2015-05-27
SI2911399T1 (sl) 2018-11-30
PT2911399T (pt) 2018-11-07
CN104469364A (zh) 2015-03-25
JP6076414B2 (ja) 2017-02-08
LT2911400T (lt) 2018-11-12
PT2911398T (pt) 2018-11-07
SI2911398T1 (sl) 2018-11-30
CY1120823T1 (el) 2019-12-11
JP2017212751A (ja) 2017-11-30
HRP20181640T1 (hr) 2018-12-14
HUE043030T2 (hu) 2019-07-29
CN104506864B (zh) 2018-01-05
ES2691979T3 (es) 2018-11-29
US20150139562A1 (en) 2015-05-21
EP2911401A1 (en) 2015-08-26
JP5912079B2 (ja) 2016-04-27
EP2911399B1 (en) 2018-10-10
PL2911398T3 (pl) 2018-12-31
US9516317B2 (en) 2016-12-06
ES2691983T3 (es) 2018-11-29
EP2458860A2 (en) 2012-05-30
PL2911400T3 (pl) 2018-12-31
SI2911400T1 (sl) 2018-11-30
SI2911401T1 (sl) 2018-11-30
CY1120858T1 (el) 2019-12-11
CN104506864A (zh) 2015-04-08
CN104486621B (zh) 2016-06-01
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JP2013500622A (ja) 2013-01-07
US9131231B2 (en) 2015-09-08
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PT2911401T (pt) 2018-11-07
ES2791705T3 (es) 2020-11-05
JP6076415B2 (ja) 2017-02-08
HUE041711T2 (hu) 2019-05-28
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US20120128260A1 (en) 2012-05-24
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JP2015233306A (ja) 2015-12-24
EP2911398A1 (en) 2015-08-26
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LT2911401T (lt) 2018-11-12
CY1120825T1 (el) 2019-12-11
HRP20181644T1 (hr) 2018-12-14
PL2911401T3 (pl) 2019-03-29
US8768081B2 (en) 2014-07-01
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US20150326854A1 (en) 2015-11-12
PL2458860T3 (pl) 2020-07-13
TR201815012T4 (tr) 2018-11-21
CN102474609B (zh) 2015-02-04
WO2011010900A2 (ko) 2011-01-27
US9131232B2 (en) 2015-09-08
HUE043026T2 (hu) 2019-07-29
CN104506865B (zh) 2017-04-05
TR201815015T4 (tr) 2018-11-21
PT2911400T (pt) 2018-11-07
US20140254948A1 (en) 2014-09-11
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JP6076416B2 (ja) 2017-02-08
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DK2911401T3 (da) 2018-11-05
PL2911399T3 (pl) 2019-03-29
CN104486621A (zh) 2015-04-01
CN104506865A (zh) 2015-04-08
EP2911399A1 (en) 2015-08-26
EP2911398B1 (en) 2018-10-10
JP6646019B2 (ja) 2020-02-14
CN104469363A (zh) 2015-03-25
DK2911398T3 (da) 2018-11-05
KR20110010324A (ko) 2011-02-01
US20150139561A1 (en) 2015-05-21
EP2911400A1 (en) 2015-08-26
HRP20181642T1 (hr) 2018-12-14
HUE041713T2 (hu) 2019-05-28
JP2015233304A (ja) 2015-12-24
CN104469363B (zh) 2017-05-03
US20150016508A1 (en) 2015-01-15
EP2911400B1 (en) 2018-10-10
ES2691984T3 (es) 2018-11-29
LT2911399T (lt) 2018-11-12
JP2015233303A (ja) 2015-12-24
CY1120814T1 (el) 2019-12-11
CN102474609A (zh) 2012-05-23

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