BR112016029787A8 - faixas de valor para elementos de sintaxe em criptografia de vídeo - Google Patents

faixas de valor para elementos de sintaxe em criptografia de vídeo

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Publication number
BR112016029787A8
BR112016029787A8 BR112016029787A BR112016029787A BR112016029787A8 BR 112016029787 A8 BR112016029787 A8 BR 112016029787A8 BR 112016029787 A BR112016029787 A BR 112016029787A BR 112016029787 A BR112016029787 A BR 112016029787A BR 112016029787 A8 BR112016029787 A8 BR 112016029787A8
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BR
Brazil
Prior art keywords
rps
term
pictures
reference pictures
picture
Prior art date
Application number
BR112016029787A
Other languages
English (en)
Other versions
BR112016029787A2 (pt
Inventor
Krishnan Ramasubramonian Adarsh
Hendry Fnu
Wang Ye-Kui
Original Assignee
Qualcomm Inc
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112016029787A2 publication Critical patent/BR112016029787A2/pt
Publication of BR112016029787A8 publication Critical patent/BR112016029787A8/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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/174—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
    • H04N19/169—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
    • H04N19/182—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 pixel
    • 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
    • H04N19/50—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
    • H04N19/58—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence 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
    • H04N19/70—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

faixas de valor para elementos de sintaxe em criptografia de vídeo. trata-se de sistemas e métodos para criptografar dados de vídeo. o método pode incluir determinar um conjunto de figuração de referência (rps) para uma figuração atual com base nas uma ou mais figurações de referência. o método também pode incluir determinar um valor de contagem de ordem de figuração (poc) de cada figuração de referência do rps e identificar pelo menos um dentre um número de figurações de referência a longo prazo e um número de figurações de referência a curto prazo no rps. o método também pode incluir aplicar restrições ao número de figurações a longo prazo e o número de figurações a curto prazo no rps, sendo que as restrições se baseiam no valor de poc e um tamanho de armazenamento temporário de figuração decodificada máximo menos um, se uma extensão de parâmetro de sequência de vídeo (vps) estiver em uso. o método pode incluir gerar pelo menos um elemento de sintaxe que identifica o rps com base nas restrições e que codifica a figuração atual com base no pelo menos um elemento de sintaxe.
BR112016029787A 2014-06-20 2015-06-19 faixas de valor para elementos de sintaxe em criptografia de vídeo BR112016029787A8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462015210P 2014-06-20 2014-06-20
US14/743,632 US9756355B2 (en) 2014-06-20 2015-06-18 Value ranges for syntax elements in video coding
PCT/US2015/036600 WO2015196025A1 (en) 2014-06-20 2015-06-19 Value ranges for syntax elements in video coding

Publications (2)

Publication Number Publication Date
BR112016029787A2 BR112016029787A2 (pt) 2017-08-22
BR112016029787A8 true BR112016029787A8 (pt) 2021-07-13

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
BR112016029751-2A BR112016029751B1 (pt) 2014-06-20 2015-06-19 Método e dispositivo para codificar um fluxo de bits de acordo com hevc escalonável, uma extensão 3d de hevc ou uma extensão de múltiplas vistas de hevc, e método e dispositivo para decodificar dados de vídeo de acordo com hevc escalonável, uma extensão 3d de hevc ou uma extensão de múltiplas vistas de hevc
BR112016029787A BR112016029787A8 (pt) 2014-06-20 2015-06-19 faixas de valor para elementos de sintaxe em criptografia de vídeo

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BR112016029751-2A BR112016029751B1 (pt) 2014-06-20 2015-06-19 Método e dispositivo para codificar um fluxo de bits de acordo com hevc escalonável, uma extensão 3d de hevc ou uma extensão de múltiplas vistas de hevc, e método e dispositivo para decodificar dados de vídeo de acordo com hevc escalonável, uma extensão 3d de hevc ou uma extensão de múltiplas vistas de hevc

Country Status (9)

Country Link
US (2) US9756355B2 (pt)
EP (2) EP3158763A1 (pt)
JP (2) JP6377778B2 (pt)
KR (2) KR102387848B1 (pt)
CN (2) CN106464919B (pt)
BR (2) BR112016029751B1 (pt)
CA (2) CA2952973A1 (pt)
ES (1) ES2898663T3 (pt)
WO (2) WO2015196025A1 (pt)

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KR20170020793A (ko) 2017-02-24
CN106664426A (zh) 2017-05-10
CN106664426B (zh) 2020-01-21
KR20170020794A (ko) 2017-02-24
BR112016029787A2 (pt) 2017-08-22
CN106464919B (zh) 2019-10-18
KR102387848B1 (ko) 2022-04-15
WO2015196034A1 (en) 2015-12-23
EP3158746A1 (en) 2017-04-26
JP2017523683A (ja) 2017-08-17
ES2898663T3 (es) 2022-03-08
EP3158746B1 (en) 2021-10-20
CA2952973A1 (en) 2015-12-23
US20150373377A1 (en) 2015-12-24
CA2950921A1 (en) 2015-12-23
JP6377778B2 (ja) 2018-08-22
CA2950921C (en) 2023-01-10
US9756355B2 (en) 2017-09-05
JP2017523681A (ja) 2017-08-17
US20150373361A1 (en) 2015-12-24
EP3158763A1 (en) 2017-04-26
JP6453365B2 (ja) 2019-01-16
CN106464919A (zh) 2017-02-22
BR112016029751A2 (pt) 2017-08-22
BR112016029751B1 (pt) 2023-10-17
US9788007B2 (en) 2017-10-10
WO2015196025A1 (en) 2015-12-23

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