DK2822276T3 - Fremgangsmåde til mellemlagsforudsigelse og indretning, som anvender denne - Google Patents

Fremgangsmåde til mellemlagsforudsigelse og indretning, som anvender denne Download PDF

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Publication number
DK2822276T3
DK2822276T3 DK13754230.4T DK13754230T DK2822276T3 DK 2822276 T3 DK2822276 T3 DK 2822276T3 DK 13754230 T DK13754230 T DK 13754230T DK 2822276 T3 DK2822276 T3 DK 2822276T3
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layer
prediction
inter
information
interlayer
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DK13754230.4T
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Chul Keun Kim
Seung Wook Park
Jae Hyun Lim
Yong Joon Jeon
Joon Young Park
Nae Ri Park
Byeong Moon Jeon
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Lg Electronics Inc
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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
    • H04N19/50—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
    • 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
    • H04N19/169—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
    • H04N19/187—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 scalable video layer
    • 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
    • H04N19/46—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Claims (8)

1. Fremgangsmåde til mellemlagsforudsigelse, omfattende: modtagelse af information, der indikerer en forudsigelsesmodus af en aktuel blok (900), hvor forudsigelsesmodusen er en fusionsmodus; modtagelse af indeksinformation, som angiver en kandidat fra en fusionskandidatliste; opnåelse (S1010) af mellemlagsbevægelsesinformation fra et referencelag (1100); og konstruktion af fusionskandidatlisten, hvor fusionskandidatlisten omfatter rumlige kandidater, som repræsenterer bevægelsesinformation af hosliggende blokke (Ao, Ai, Bo, Bi, B2)afden aktuelle blok (900) og en mellemlagskandidat, som repræsenterer mellemlagsbevægelsesinformationen; og når den kandidat, der angives af indeksinformationen, er mellemlagskandidaten, forudsigelse (S1020) af den aktuelle blok (900) i et aktuelt lag (1110) under anvendelse af mellemlagsbevægelsesinformationen, som repræsenteres af den mellemlagskandidat, der er udvalgt fra fusionskandidatlisten på basis af indeksinformationen, hvor mellemlagsbevægelsesinformationen omfatter en mellemlagsbevægelsesvektor, der er opnået fra referencelaget (1100), og hvor mellemlagsbevægelsesvektoren opnås ved skalering af en bevægelsesvektor af referencelaget (1100) på basis af et opløsningsforhold af referencelaget (1100) og det aktuelle lag (1110).
2. Mellemlagsforudsigelsesfremgangsmåde ifølge krav 1, hvor bevægelsesvektoren af referencelaget (1100) er en bevægelsesvektor ved en referenceposition (LT, RT, CO, C1, C2, C3, LB, RB), som svarer til en position til specificering af den aktuelle blok (900) i referencelaget (1100).
3. Mellemlagsforudsigelsesfremgangsmåde ifølge krav 2, hvor positionen til specificeringen af den aktuelle blok (900) er en øvre venstreposition (LT) af den aktuelle blok.
4. Mellemlagsforudsigelsesfremgangsmåde ifølge krav 2, hvor referencepositionen (LT, RT, CO, C1, C2, C3, LB, RB) opnås ved skalering af positionen til specificering af den aktuelle blok på basis af opløsningsforholdet af referencelaget (1100) og det aktuelle lag (1110).
5. Mellemlagsforudsigelsesfremgangsmåde ifølge krav 2, hvor bevægelsesvektoren af referencepositionen (LT, RT, CO, C1, C2, C3, LB, RB) er en bevægelsesvektor af en forudsigelsesblok, som omfatter referencepositionen.
6. Mellemlagsforudsigelsesfremgangsmåde ifølge krav 1, hvor mellemlagskandidaten tilføjes i hovedet af fusionskandidatlisten eller i bunden af fusionskandidatlisten.
7. Mellemlagsforudsigelsesfremgangsmåde ifølge krav 1, hvor mellemlagskandidaten tilføjes i fusionskandidatlisten efter tidsmæssige kandidater af det aktuelle lag eller efter rumlige kandidater af det aktuelle lag.
8. Afkoder til skalerbar video, omfattende: et entropiafkodningsmodul (315, 355), som modtager information, der angiver en forudsigelsesmodus af en aktuel blok (900), og modtaget indeksinformation, som angiver en kandidat fra en fusionskandidatliste, hvor forudsigelsesmodussen er en fusionsmodus; et første forudsigelsesmodul (250, 450), som forudsiger et referencelag (1100); og et andet forudsigelsesmodul (210, 410), som opnår mellemlagsbevægelsesinformation fra referencelaget, konstruerer fusionskandidatlisten, forudsiger den aktuelle blok (900) i et aktuelt lag (1110) under anvendelse af mellemlagsbevægelsesinformationen, som repræsenteres afen mellemlagskandidat, der er udvalgt fra fusionskandidatlisten på basis af indeksinformationen, hvor fusionskandidatlisten omfatter kandidater, som repræsenterer bevægelsesinformation afen hosliggende blok (Ao, Ai, Bo, Bi, B2) af den aktuelle blok (900) og mellemlagskandidaten, som repræsenterer mellemlagsbevægelsesinformation, hvor den kandidat, der angives af indeksinformationen, er mellemlagskandidaten, hvor mellemlagsbevægelsesinformationen omfatter en mellemlagsbevægelsesvektor, der er opnået fra referencelaget (1100), og hvor mellemlagsbevægelsesvektoren opnås ved skalering af en bevægelsesvektor af referencelaget (1100) på basis af et opløsningsforhold af referencelaget (1100) og det aktuelle lag (1110).
DK13754230.4T 2012-02-29 2013-02-28 Fremgangsmåde til mellemlagsforudsigelse og indretning, som anvender denne DK2822276T3 (da)

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US201261604538P 2012-02-29 2012-02-29
PCT/KR2013/001659 WO2013129878A1 (ko) 2012-02-29 2013-02-28 인터 레이어 예측 방법 및 이를 이용하는 장치

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US (1) US9554149B2 (da)
EP (2) EP2822276B1 (da)
JP (1) JP6166287B2 (da)
KR (1) KR102083011B1 (da)
CN (1) CN104255031B (da)
DK (1) DK2822276T3 (da)
ES (1) ES2703628T3 (da)
HU (1) HUE042534T2 (da)
PL (1) PL2822276T3 (da)
PT (1) PT2822276T (da)
TR (1) TR201900494T4 (da)
WO (1) WO2013129878A1 (da)

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