BR112014010418A2 - acesso aleatório com gerenciamento de buffer de figura decodificada avançada (dpb) na codificação de vídeo - Google Patents

acesso aleatório com gerenciamento de buffer de figura decodificada avançada (dpb) na codificação de vídeo

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Publication number
BR112014010418A2
BR112014010418A2 BR112014010418A BR112014010418A BR112014010418A2 BR 112014010418 A2 BR112014010418 A2 BR 112014010418A2 BR 112014010418 A BR112014010418 A BR 112014010418A BR 112014010418 A BR112014010418 A BR 112014010418A BR 112014010418 A2 BR112014010418 A2 BR 112014010418A2
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BR
Brazil
Prior art keywords
decoding
random access
picture
dpb
advanced
Prior art date
Application number
BR112014010418A
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English (en)
Other versions
BR112014010418B1 (pt
Inventor
Chen Jianle
Wang Ye-Kui
Chen Ying
Original Assignee
Qualcomm Inc
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112014010418A2 publication Critical patent/BR112014010418A2/pt
Publication of BR112014010418B1 publication Critical patent/BR112014010418B1/pt

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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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • 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
    • H04N19/177—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 group of pictures [GOP]
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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)

Abstract

1/1 resumo acesso aleatório com gerenciamento de buffer de figura decodificada avançada (dpb) na codificação de vídeo como um exemplo, técnicas para decodificar dados de vídeo incluem receber um bitstream que inclui uma ou mais figuras de uma sequência de vídeo codificada (cvs), decodificar uma primeira figura de acordo com uma ordem de decodificação, sendo que a primeira figura é a figura de ponto de acesso aleatório (rap) que não é uma figura de renovação de decodificação instantânea (idr), e decodificar pelo menos outra figura seguindo a primeira figura de acordo com a ordem de decodificação com base na primeira figura decodificada. como outro exemplo, técnicas para codificar dados de vídeo incluem gerar um bitstream que inclui uma ou mais figuras de uma cvs, sendo que a primeira figura de acordo com a ordem de decodificação é uma figura de rap que não é uma figura de idr, e evitar incluir pelo menos outra figura, que não a primeira figura, que corresponde a uma figura principal associada com a primeira figura, no bitstream.
BR112014010418-2A 2011-10-31 2012-10-31 Acesso aleatório com gerenciamento de buffer de imagem decodificada avançada (dpb) na codificação de vídeo BR112014010418B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201161553802P 2011-10-31 2011-10-31
US61/553,802 2011-10-31
US201261595605P 2012-02-06 2012-02-06
US61/595,605 2012-02-06
US13/664,279 2012-10-30
US13/664,279 US9264717B2 (en) 2011-10-31 2012-10-30 Random access with advanced decoded picture buffer (DPB) management in video coding
PCT/US2012/062830 WO2013067033A1 (en) 2011-10-31 2012-10-31 Random access with advanced decoded picture buffer (dpb) management in video coding

Publications (2)

Publication Number Publication Date
BR112014010418A2 true BR112014010418A2 (pt) 2017-04-25
BR112014010418B1 BR112014010418B1 (pt) 2022-05-24

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Country Status (21)

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US (2) US9264717B2 (pt)
EP (1) EP2774365B1 (pt)
JP (1) JP5837216B2 (pt)
KR (1) KR101597927B1 (pt)
CN (1) CN103947210B (pt)
AU (2) AU2012332567A1 (pt)
BR (1) BR112014010418B1 (pt)
CA (1) CA2852959C (pt)
DK (1) DK2774365T3 (pt)
ES (1) ES2698554T3 (pt)
HU (1) HUE039675T2 (pt)
IL (1) IL232069A (pt)
IN (1) IN2014CN03181A (pt)
MY (1) MY167629A (pt)
PL (1) PL2774365T3 (pt)
PT (1) PT2774365T (pt)
RU (1) RU2584491C2 (pt)
SG (1) SG11201401440XA (pt)
SI (1) SI2774365T1 (pt)
WO (1) WO2013067033A1 (pt)
ZA (1) ZA201403984B (pt)

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