BR112014019444A8 - Restrição de unidades de predição em fatias b para interpredição unidirecional - Google Patents

Restrição de unidades de predição em fatias b para interpredição unidirecional

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Publication number
BR112014019444A8
BR112014019444A8 BR112014019444A BR112014019444A BR112014019444A8 BR 112014019444 A8 BR112014019444 A8 BR 112014019444A8 BR 112014019444 A BR112014019444 A BR 112014019444A BR 112014019444 A BR112014019444 A BR 112014019444A BR 112014019444 A8 BR112014019444 A8 BR 112014019444A8
Authority
BR
Brazil
Prior art keywords
unidirectional
computing device
prediction units
interprediction
interpredition
Prior art date
Application number
BR112014019444A
Other languages
English (en)
Other versions
BR112014019444B1 (pt
BR112014019444A2 (pt
Inventor
Seregin Vadim
Wang Xianglin
Karczewicz Marta
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112014019444A2 publication Critical patent/BR112014019444A2/pt
Publication of BR112014019444A8 publication Critical patent/BR112014019444A8/pt
Publication of BR112014019444B1 publication Critical patent/BR112014019444B1/pt

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Classifications

    • 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
    • H04N19/134—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/50—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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/50—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

RESTRIÇÃO DE UNIDADES DE PREDIÇÃO EM FATIAS B PARA INTERPREDIÇÃO UNIDIRECIONAL Um dispositivo de computação determina se uma unidade de predição (PU) em uma fatia B é restrita à interpredição unidirecional. Além disso, o dispositivo de computação gera uma lista de candidato de mesclagem para a PU e determina um candidato de mesclagem selecionado na lista de candidato de mesclagem. Se a PU é restrita à interpredição unidirecional, o dispositivo de computação gera um bloco de vídeo preditivo para a PU com base em não mais do que um bloco de referência associado com informação de movimento especificada pelo candidato de mesclagem selecionado. Se a PU não é restrita à interpredição unidirecional, o dispositivo de computação gera o bloco de vídeo preditivo para a PU com base em um ou mais blocos de referência associados com a informação de movimento especificada pelo candidato de mesclagem selecionado.
BR112014019444-0A 2012-02-08 2013-02-07 Restrição de unidades de predição em fatias b para interpredição unidirecional BR112014019444B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201261596597P 2012-02-08 2012-02-08
US61/596,597 2012-02-08
US201261622968P 2012-04-11 2012-04-11
US61/622,968 2012-04-11
US13/628,562 US9451277B2 (en) 2012-02-08 2012-09-27 Restriction of prediction units in B slices to uni-directional inter prediction
US13/628,562 2012-09-27
PCT/US2013/025153 WO2013119816A1 (en) 2012-02-08 2013-02-07 Restriction of prediction units in b slices to uni-directional inter prediction

Publications (3)

Publication Number Publication Date
BR112014019444A2 BR112014019444A2 (pt) 2017-06-20
BR112014019444A8 true BR112014019444A8 (pt) 2017-07-11
BR112014019444B1 BR112014019444B1 (pt) 2023-02-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014019444-0A BR112014019444B1 (pt) 2012-02-08 2013-02-07 Restrição de unidades de predição em fatias b para interpredição unidirecional

Country Status (22)

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US (2) US9451277B2 (pt)
EP (2) EP3849182B1 (pt)
JP (2) JP2015510357A (pt)
KR (1) KR101825262B1 (pt)
CN (2) CN104094605A (pt)
AU (1) AU2013217035B2 (pt)
BR (1) BR112014019444B1 (pt)
CA (1) CA2862311C (pt)
DK (1) DK2813080T3 (pt)
ES (1) ES2874848T3 (pt)
HK (2) HK1216273A1 (pt)
HU (1) HUE054366T2 (pt)
IL (1) IL233522A (pt)
MY (1) MY168356A (pt)
PH (1) PH12014501622A1 (pt)
PL (1) PL3849182T3 (pt)
RU (1) RU2620723C2 (pt)
SG (1) SG11201403844PA (pt)
SI (1) SI2813080T1 (pt)
UA (1) UA114314C2 (pt)
WO (1) WO2013119816A1 (pt)
ZA (1) ZA201406544B (pt)

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JP2015510357A (ja) 2015-04-02
PH12014501622B1 (en) 2014-10-13
CN104980762B (zh) 2018-07-31
RU2620723C2 (ru) 2017-05-29
CN104094605A (zh) 2014-10-08
RU2014136329A (ru) 2016-04-10
SI2813080T1 (sl) 2021-08-31
KR101825262B1 (ko) 2018-02-02
CN104980762A (zh) 2015-10-14
AU2013217035B2 (en) 2017-04-13
EP2813080B1 (en) 2021-03-17
CA2862311A1 (en) 2013-08-15
PH12014501622A1 (en) 2014-10-13
BR112014019444B1 (pt) 2023-02-14
EP3849182B1 (en) 2024-03-20
PL3849182T3 (pl) 2024-06-24
EP3849182C0 (en) 2024-03-20
BR112014019444A2 (pt) 2017-06-20
KR20140130465A (ko) 2014-11-10
US20150229955A1 (en) 2015-08-13
HK1216273A1 (zh) 2016-10-28
AU2013217035A1 (en) 2014-08-07
SG11201403844PA (en) 2014-09-26
IL233522A (en) 2017-08-31
ZA201406544B (en) 2017-08-30
DK2813080T3 (da) 2021-05-10
EP3849182A1 (en) 2021-07-14
WO2013119816A1 (en) 2013-08-15
HUE054366T2 (hu) 2021-09-28
JP2018142972A (ja) 2018-09-13
US20130202037A1 (en) 2013-08-08
IL233522A0 (en) 2014-08-31
ES2874848T3 (es) 2021-11-05
HK1201000A1 (en) 2015-08-14
US9699472B2 (en) 2017-07-04
CA2862311C (en) 2018-08-21
EP2813080A1 (en) 2014-12-17
UA114314C2 (uk) 2017-05-25
MY168356A (en) 2018-10-31
US9451277B2 (en) 2016-09-20

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