BR112012017909A2 - método para codificar um vetor de movimento, método para decodificar um vetor de movimento, aparelho para codificar um vetor de movimento, aparelho para decodificar um vetor de movimento, e mídia de gravação legível por computador - Google Patents

método para codificar um vetor de movimento, método para decodificar um vetor de movimento, aparelho para codificar um vetor de movimento, aparelho para decodificar um vetor de movimento, e mídia de gravação legível por computador

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Publication number
BR112012017909A2
BR112012017909A2 BR112012017909A BR112012017909A BR112012017909A2 BR 112012017909 A2 BR112012017909 A2 BR 112012017909A2 BR 112012017909 A BR112012017909 A BR 112012017909A BR 112012017909 A BR112012017909 A BR 112012017909A BR 112012017909 A2 BR112012017909 A2 BR 112012017909A2
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Brazil
Prior art keywords
motion vector
decoding
encoding
motion
computer readable
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BR112012017909A
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English (en)
Inventor
Tammy Lee
Woo-Jin Han
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Samsung Electronics Co Ltd
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Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to BR122015013873A priority Critical patent/BR122015013873A2/pt
Publication of BR112012017909A2 publication Critical patent/BR112012017909A2/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
    • H04N19/56—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • 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
    • H04N19/176—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
    • H04N19/30—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
    • H04N19/44—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
    • H04N19/50—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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

método para codificar um vetor de movimento, método para decodificar um vetor de movimento, aparelho para codificar um vetor de movimento, aparelho para decodificar um vetor de movimento, e mídia de gravação legível por computador. trata-se de um método e aparelho para codificar e decodificar um vetor de movimento de um bloco atual. o método para codificar incluindo: geração de informações sobre o vetor de movimento, baseado em um vetor de movimento do bloco atual, por estimativa do vetor de movimento e determinação de um primeiro candidato preditor do vetor de movimento dentre uma pluralidade de candidatos preditores do vetor de movimento, como o preditor do vetor de movimento, baseado em um resultado da estimativa; e geração de um vetor de movimento virtual, pelo uso de um segundo candidato preditor do vetor de movimento e das informações sobre o vetor de movimento, geração de diferenças vetoriais entre o vetor de movimento virtual e a pluralidade de candidatos preditores do vetor de movimento, comparação das diferenças vetoriais com as informações sobre o vetor de movimento, e exclusão seletiva do segundo candidato preditor do vetor de movimento, de acordo com a comparação. método para codificar um vetor de movimento, método para decodificar um vetor de movimento, aparelho para codificar um vetor de movimento, aparelho para decodificar um vetor de movimento, e mídia de gravação legível por computador. trata-se de um método e aparelho para codificar e decodificar um vetor de movimento de um bloco atual. o método para codificar incluindo: geração de informações sobre o vetor de movimento, baseado em um vetor de movimento do bloco atual, por estimativa do vetor de movimento e determinação de um primeiro candidato preditor do vetor de movimento dentre uma pluralidade de candidatos preditores do vetor de movimento, como o preditor do vetor de movimento, baseado em um resultado da estimativa; e geração de um vetor de movimento virtual, pelo uso de um segundo candidato preditor do vetor de movimento e das informações sobre o vetor de movimento, geração de diferenças vetoriais entre o vetor de movimento virtual e a pluralidade de candidatos preditores do vetor de movimento, comparação das diferenças vetoriais com as informações sobre o vetor de movimento, e exclusão seletiva do segundo candidato preditor do vetor de movimento, de acordo com a comparação.
BR112012017909A 2010-01-19 2011-01-19 método para codificar um vetor de movimento, método para decodificar um vetor de movimento, aparelho para codificar um vetor de movimento, aparelho para decodificar um vetor de movimento, e mídia de gravação legível por computador BR112012017909A2 (pt)

Priority Applications (1)

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BR122015013873A BR122015013873A2 (pt) 2010-01-19 2011-01-19 aparelho para decodificar imagem

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US29616310P 2010-01-19 2010-01-19
KR1020110004015A KR101768207B1 (ko) 2010-01-19 2011-01-14 축소된 예측 움직임 벡터의 후보들에 기초해 움직임 벡터를 부호화, 복호화하는 방법 및 장치
PCT/KR2011/000388 WO2011090314A2 (en) 2010-01-19 2011-01-19 Method and apparatus for encoding and decoding motion vector based on reduced motion vector predictor candidates

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BR112012017909A2 true BR112012017909A2 (pt) 2016-05-03

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BR122015013873A BR122015013873A2 (pt) 2010-01-19 2011-01-19 aparelho para decodificar imagem
BR112012017909A BR112012017909A2 (pt) 2010-01-19 2011-01-19 método para codificar um vetor de movimento, método para decodificar um vetor de movimento, aparelho para codificar um vetor de movimento, aparelho para decodificar um vetor de movimento, e mídia de gravação legível por computador

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US (5) US9565447B2 (pt)
EP (2) EP2510700A4 (pt)
JP (3) JP2013517734A (pt)
KR (2) KR101768207B1 (pt)
CN (6) CN104754355B (pt)
AU (1) AU2011207924B2 (pt)
BR (2) BR122015013873A2 (pt)
MX (1) MX2012008320A (pt)
MY (2) MY163359A (pt)
PH (4) PH12015500692A1 (pt)
RU (3) RU2518718C2 (pt)
WO (1) WO2011090314A2 (pt)
ZA (2) ZA201206187B (pt)

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