BR112012025275B8 - método para realizar predição de múltiplas hipóteses localizada durante codificação de vídeo de uma unidade de codificação e aparelho associado - Google Patents

método para realizar predição de múltiplas hipóteses localizada durante codificação de vídeo de uma unidade de codificação e aparelho associado

Info

Publication number
BR112012025275B8
BR112012025275B8 BR112012025275A BR112012025275A BR112012025275B8 BR 112012025275 B8 BR112012025275 B8 BR 112012025275B8 BR 112012025275 A BR112012025275 A BR 112012025275A BR 112012025275 A BR112012025275 A BR 112012025275A BR 112012025275 B8 BR112012025275 B8 BR 112012025275B8
Authority
BR
Brazil
Prior art keywords
subcoding
units
unit
encoding
during video
Prior art date
Application number
BR112012025275A
Other languages
English (en)
Other versions
BR112012025275A2 (pt
BR112012025275B1 (pt
Inventor
Lin Jian-Liang
Lei Shaw-Min
Tsai Yu-Pao
Original Assignee
Hfi Innovation Inc
Mediatek 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 Hfi Innovation Inc, Mediatek Inc filed Critical Hfi Innovation Inc
Publication of BR112012025275A2 publication Critical patent/BR112012025275A2/pt
Publication of BR112012025275B1 publication Critical patent/BR112012025275B1/pt
Publication of BR112012025275B8 publication Critical patent/BR112012025275B8/pt

Links

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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/50—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
    • H04N19/50—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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

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

método para realizar previsão de múltiplas hipóteses localizada durante codificação de vídeo de uma unidade de codificação e aparelho associado. trata-se de um método para realizar previsão de múltiplas hipóteses localizada durante codificação de vídeo de uma unidade de codificação que inclui: dividir a unidade de codificação em uma pluralidade de unidades de subcodificação; e realizar previsão de vetor de movimento de cada uma unidades de subcodificação mais particularmente, etapa de realização de previsão de vetor de movimento de cada uma das unidades de subcodificação inclui ainda obter uma pluralidade de vetores de movimento para compensação de movimento de múltiplas hipóteses de uma unidade de subcodificação especifica das unidades de subcodificação a partir de uma pluralidade de outras unidades de subcodificação/codifi- cação. o método inclui ainda realizar compensação de movimentos de múltiplas hipóteses na unidade de subcodificação particularmente, inclui utilizar uma combinação linear de uma pluralidade de valores de pixel da pluralidade de outras unidades de sobcodificação/ codificação como um valor de pixel previsto da unidade de subcodificação especifica. um aparelho associado é também fornecido.
BR112012025275A 2010-04-14 2011-04-14 método para realizar predição de múltiplas hipóteses localizada durante codificação de vídeo de uma unidade de codificação e aparelho associado BR112012025275B8 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US32394810P 2010-04-14 2010-04-14
US61/323,948 2010-04-14
US13/080,668 US8879620B2 (en) 2010-04-14 2011-04-06 Method for performing localized multihypothesis prediction during video coding of a coding unit, and associated apparatus
US13/080,668 2011-04-06
PCT/CN2011/072783 WO2011127828A1 (en) 2010-04-14 2011-04-14 Method for performing localized multihypothesis prediction during video coding of a coding unit, and associated apparatus

Publications (3)

Publication Number Publication Date
BR112012025275A2 BR112012025275A2 (pt) 2016-06-21
BR112012025275B1 BR112012025275B1 (pt) 2021-08-03
BR112012025275B8 true BR112012025275B8 (pt) 2021-08-24

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US (3) US8837592B2 (pt)
EP (2) EP2559250B1 (pt)
JP (1) JP5211263B2 (pt)
KR (1) KR101452921B1 (pt)
CN (5) CN105872558B (pt)
AU (1) AU2011240486B2 (pt)
BR (1) BR112012025275B8 (pt)
IL (2) IL222337A (pt)
RU (1) RU2530318C2 (pt)
TW (4) TWI520586B (pt)
WO (1) WO2011127828A1 (pt)

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EP2559250B1 (en) 2020-07-08
US8837592B2 (en) 2014-09-16
EP2559250A4 (en) 2016-01-06
CN107071472A (zh) 2017-08-18
KR101452921B1 (ko) 2014-10-23
JP5211263B2 (ja) 2013-06-12
CN102907095A (zh) 2013-01-30
AU2011240486B2 (en) 2014-02-13
CN105791858A (zh) 2016-07-20
AU2011240486A1 (en) 2012-10-11
US8891608B2 (en) 2014-11-18
BR112012025275A2 (pt) 2016-06-21
TW201143462A (en) 2011-12-01
US20110255600A1 (en) 2011-10-20
CN105791858B (zh) 2019-11-15
TWI520586B (zh) 2016-02-01
IL222337A (en) 2016-05-31
RU2530318C2 (ru) 2014-10-10
US20110255598A1 (en) 2011-10-20
EP3220646A1 (en) 2017-09-20
EP2559250A1 (en) 2013-02-20
JP2012513179A (ja) 2012-06-07
TW201218776A (en) 2012-05-01
CN105872558B (zh) 2019-06-07
TW201511524A (zh) 2015-03-16
IL222337A0 (en) 2012-12-31
CN105872558A (zh) 2016-08-17
CN102223542A (zh) 2011-10-19
KR20120126115A (ko) 2012-11-20
TWI445411B (zh) 2014-07-11
US8879620B2 (en) 2014-11-04
BR112012025275B1 (pt) 2021-08-03
IL245480A0 (en) 2016-06-30
US20120027097A1 (en) 2012-02-02
TWI469645B (zh) 2015-01-11
TWI514855B (zh) 2015-12-21
WO2011127828A1 (en) 2011-10-20
TW201511525A (zh) 2015-03-16
IL245480B (en) 2018-01-31
RU2012141233A (ru) 2014-06-10
CN102907095B (zh) 2016-10-12

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