BR112017020635A2 - determinação de modo de derivação de informações de movimento em conversão de vídeo em código - Google Patents

determinação de modo de derivação de informações de movimento em conversão de vídeo em código

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Publication number
BR112017020635A2
BR112017020635A2 BR112017020635-8A BR112017020635A BR112017020635A2 BR 112017020635 A2 BR112017020635 A2 BR 112017020635A2 BR 112017020635 A BR112017020635 A BR 112017020635A BR 112017020635 A2 BR112017020635 A2 BR 112017020635A2
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Brazil
Prior art keywords
motion information
current block
derivation mode
information derivation
video
Prior art date
Application number
BR112017020635-8A
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English (en)
Inventor
Li Xiang
Chen Ying
Zhang Li
Liu Hongbin
Chen Jianle
Karczewicz Marta
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Qualcomm Incorporated
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Publication of BR112017020635A2 publication Critical patent/BR112017020635A2/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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/44—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
    • 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
    • H04N19/50—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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/50—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
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

em um exemplo, um método para decodificar dados de vídeo inclui selecionar um modo de derivação de informações de movimento a partir de uma pluralidade de modos de derivação de informações de movimento para determinar informações de movimento para um bloco atual, em que cada modo de derivação de informações de movimento da pluralidade compreende realizar uma busca de movimento por um primeiro conjunto de dados de referência que corresponde a um segundo conjunto de dados de referência fora do bloco atual, e em que as informações de movimento indicam movimento do bloco atual em relação aos dados de vídeo de referência. o método também inclui determinar as informações de movimento para o bloco atual com o uso do modo de derivação de informações de movimento selecionado. o método também inclui decodificar o bloco atual com o uso das informações de movimento determinadas e sem decodificar elementos de sintaxe representativos das informações de movimento.
BR112017020635-8A 2015-03-27 2016-03-25 determinação de modo de derivação de informações de movimento em conversão de vídeo em código BR112017020635A2 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201562139572P 2015-03-27 2015-03-27
US62/139,572 2015-03-27
US201562182367P 2015-06-19 2015-06-19
US62/182,367 2015-06-19
US15/080,479 2016-03-24
US15/080,479 US10958927B2 (en) 2015-03-27 2016-03-24 Motion information derivation mode determination in video coding
PCT/US2016/024334 WO2016160609A1 (en) 2015-03-27 2016-03-25 Motion information derivation mode determination in video coding

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BR112017020635A2 true BR112017020635A2 (pt) 2018-06-26

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BR112017020635-8A BR112017020635A2 (pt) 2015-03-27 2016-03-25 determinação de modo de derivação de informações de movimento em conversão de vídeo em código
BR112017020632-3A BR112017020632A2 (pt) 2015-03-27 2016-03-25 Informações de movimento de derivação para sub- blocos em conversão de vídeo em código
BR112017020627-7A BR112017020627A2 (pt) 2015-03-27 2016-03-25 derivação de vetor de movimento em conversão de vídeo em código

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BR112017020632-3A BR112017020632A2 (pt) 2015-03-27 2016-03-25 Informações de movimento de derivação para sub- blocos em conversão de vídeo em código
BR112017020627-7A BR112017020627A2 (pt) 2015-03-27 2016-03-25 derivação de vetor de movimento em conversão de vídeo em código

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US (3) US10958927B2 (pt)
EP (3) EP3275187B1 (pt)
JP (3) JP6740243B2 (pt)
KR (3) KR102519778B1 (pt)
CN (3) CN107409225B (pt)
AU (5) AU2016243521A1 (pt)
BR (3) BR112017020635A2 (pt)
CA (3) CA2976828A1 (pt)
CL (3) CL2017002383A1 (pt)
CO (3) CO2017009672A2 (pt)
DK (2) DK3275188T3 (pt)
ES (2) ES2900029T3 (pt)
HK (1) HK1243259A1 (pt)
HU (2) HUE056702T2 (pt)
IL (1) IL253849B (pt)
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MY (3) MY187426A (pt)
NZ (2) NZ734554A (pt)
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RU (3) RU2742298C2 (pt)
SA (3) SA517382335B1 (pt)
SG (3) SG11201706539PA (pt)
SI (2) SI3275186T1 (pt)
TW (3) TWI714565B (pt)
WO (3) WO2016160609A1 (pt)

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