BR112015006109A2 - dispositivo de codificação de previsão de vídeo, método de codificação de previsão de vídeo, dispositivo de decodificação de previsão de vídeo e método de decodificação de previsão de vídeo - Google Patents

dispositivo de codificação de previsão de vídeo, método de codificação de previsão de vídeo, dispositivo de decodificação de previsão de vídeo e método de decodificação de previsão de vídeo

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Publication number
BR112015006109A2
BR112015006109A2 BR112015006109A BR112015006109A BR112015006109A2 BR 112015006109 A2 BR112015006109 A2 BR 112015006109A2 BR 112015006109 A BR112015006109 A BR 112015006109A BR 112015006109 A BR112015006109 A BR 112015006109A BR 112015006109 A2 BR112015006109 A2 BR 112015006109A2
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Brazil
Prior art keywords
video prediction
reference samples
decoding
signal
intra
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BR112015006109A
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English (en)
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BR112015006109A8 (pt
BR112015006109B1 (pt
Inventor
Seng Boon Choong
Keng Tan Thiow
Suzuki Yoshinori
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Ntt Docomo Inc
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Application filed by Ntt Docomo Inc filed Critical Ntt Docomo Inc
Priority to BR122016013354-0A priority Critical patent/BR122016013354A2/pt
Priority to BR122016013292-7A priority patent/BR122016013292B1/pt
Publication of BR112015006109A2 publication Critical patent/BR112015006109A2/pt
Publication of BR112015006109A8 publication Critical patent/BR112015006109A8/pt
Publication of BR112015006109B1 publication Critical patent/BR112015006109B1/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
    • H04N19/169—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
    • 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
    • H04N19/102—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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/10—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • 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
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    • 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
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    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
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    • 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
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    • 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
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    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
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    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
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    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/60—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Eye Examination Apparatus (AREA)
  • Optical Measuring Cells (AREA)
  • Picture Signal Circuits (AREA)

Abstract

resumo patente de invenção: "dispositivo de codificação de previsão de vídeo, método de codificação de previsão de vídeo, dispositivo de decodificação de previsão de vídeo e método de decodificação de previsão de vídeo". um dispositivo de decodificação inclui meio de decodificação para decodificar informação de uma direção de previsão de intraimagem de um bloco-alvo e dados de compressão de um sinal residual, meio de geração de sinal de previsão para gerar um sinal de previsão de intraimagem usando a informação da direção e uma amostra de referência reconstruída previamente de um bloco adjacente, meio de restauração de sinal residual para restaurar um sinal residual reconstruído do bloco-alvo, e meio de armazenamento de blocos para restaurar e armazenar um sinal de pixel do bloco-alvo. o meio de geração de sinal de previsão deriva amostras de referência de um bloco reconstruído previamente vizinho do bloco-alvo armazenado, seleciona duas ou mais amostras de referência chave, realiza um processo de interpolação entre as amostras de referência chave para gerar amostras de referência interpoladas, e gera o sinal de previsão de intraimagem extrapolando as amostras de referência interpoladas baseado na direção da previsão de intraimagem.
BR112015006109-5A 2012-09-24 2013-06-17 dispositivo de codificação preditiva de vídeo, método de codificação preditiva de vídeo, dispositivo de decodificação preditiva de vídeo e método de decodificação preditiva de vídeo BR112015006109B1 (pt)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR122016013354-0A BR122016013354A2 (pt) 2012-09-24 2013-06-17 Dispositivo de codificação de previsão de vídeo, método de codificação de previsão de vídeo, dispositivo de decodificação de previsão de vídeo e método de decodificação de previsão de vídeo
BR122016013292-7A BR122016013292B1 (pt) 2012-09-24 2013-06-17 Dispositivo de codificação preditiva de vídeo, método de codificação preditiva de vídeo, dispositivo de decodificação preditiva de vídeo e método de decodificação preditiva de vídeo

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012209626A JP5798539B2 (ja) 2012-09-24 2012-09-24 動画像予測符号化装置、動画像予測符号化方法、動画像予測復号装置及び動画像予測復号方法
JP2012-209626 2012-09-24
PCT/JP2013/066616 WO2014045651A1 (ja) 2012-09-24 2013-06-17 動画像予測符号化装置、動画像予測符号化方法、動画像予測復号装置及び動画像予測復号方法

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BR112015006109A2 true BR112015006109A2 (pt) 2017-05-16
BR112015006109A8 BR112015006109A8 (pt) 2018-02-06
BR112015006109B1 BR112015006109B1 (pt) 2018-08-14

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BR112015006109-5A BR112015006109B1 (pt) 2012-09-24 2013-06-17 dispositivo de codificação preditiva de vídeo, método de codificação preditiva de vídeo, dispositivo de decodificação preditiva de vídeo e método de decodificação preditiva de vídeo
BR122016013354-0A BR122016013354A2 (pt) 2012-09-24 2013-06-17 Dispositivo de codificação de previsão de vídeo, método de codificação de previsão de vídeo, dispositivo de decodificação de previsão de vídeo e método de decodificação de previsão de vídeo

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US (6) US9736494B2 (pt)
EP (4) EP4221222A1 (pt)
JP (1) JP5798539B2 (pt)
KR (6) KR101869830B1 (pt)
CN (6) CN106131559B (pt)
AU (7) AU2013319537B2 (pt)
BR (3) BR122016013292B1 (pt)
CA (6) CA3118836C (pt)
DK (1) DK3654650T3 (pt)
ES (3) ES2949638T3 (pt)
FI (1) FI3654650T3 (pt)
HU (1) HUE062434T2 (pt)
IN (1) IN2015DN03265A (pt)
MX (2) MX341412B (pt)
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PH (1) PH12015500622B1 (pt)
PL (3) PL3179722T3 (pt)
PT (3) PT2899982T (pt)
RU (7) RU2602978C1 (pt)
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