MX385462B - Dispositivo de codificacion predictiva de video, metodo de codificacion predictiva de video, dispositivo de decodificacion predictiva de video, y metodo de decodificacion predictiva de video - Google Patents

Dispositivo de codificacion predictiva de video, metodo de codificacion predictiva de video, dispositivo de decodificacion predictiva de video, y metodo de decodificacion predictiva de video

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Publication number
MX385462B
MX385462B MX2017012544A MX2017012544A MX385462B MX 385462 B MX385462 B MX 385462B MX 2017012544 A MX2017012544 A MX 2017012544A MX 2017012544 A MX2017012544 A MX 2017012544A MX 385462 B MX385462 B MX 385462B
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MX
Mexico
Prior art keywords
video prediction
motion vector
prediction
program
prediction encoding
Prior art date
Application number
MX2017012544A
Other languages
English (en)
Inventor
Choong Seng Boon
Yoshinori Suzuki
Original Assignee
Ntt Docomo Inc
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Filing date
Publication date
Application filed by Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of MX385462B publication Critical patent/MX385462B/es

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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
    • H04N19/105—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/573—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
    • 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
    • H04N19/60—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
    • H04N19/17—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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of 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
    • H04N19/169—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
    • H04N19/169—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
    • H04N19/182—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 a pixel

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)
  • Image Processing (AREA)

Abstract

Se proporciona un rendimiento mejorado de la bipredicción con una cantidad más pequeña de bits de codificación. Una unidad de generación de señal predicha (103) provista en un dispositivo de codificación predictiva de video incluye: medios (122) que estiman un vector de movimiento cero ésimo para la derivación de una señal predicha cero-ésima, seleccionan un predictor de vector de movimiento cero-ésimo similar al vector de movimiento cero ésimo, y generan la información aledaña cero-ésima que contiene un índice de predictor de vector de movimiento ceroésimo para identificar el predictor de vector de movimiento y una diferencia de vector de movimiento determinada del vector de movimiento cero-ésimo y el predictor de vector de movimiento cero ésimo; medios (121) que seleccionan un vector de movimiento para la generación de una primera señal predicha que tiene una alta correlación con una región objetivo, que generan la primera información aledaña que contiene un primer índice de predictor de vector de movimiento para identificar el vector de movimiento como un primer predictor de vector de movimiento; y que establecen el primer predictor de vector de movimiento a un primer vector de movimiento; y medios (123) que combinan las señales predichas, primera y cero-ésima, para generar una señal predicha de la región objetivo.
MX2017012544A 2011-11-07 2012-09-25 Dispositivo de codificacion predictiva de video, metodo de codificacion predictiva de video, dispositivo de decodificacion predictiva de video, y metodo de decodificacion predictiva de video MX385462B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011243490A JP5485969B2 (ja) 2011-11-07 2011-11-07 動画像予測符号化装置、動画像予測符号化方法、動画像予測符号化プログラム、動画像予測復号装置、動画像予測復号方法及び動画像予測復号プログラム
PCT/JP2012/074575 WO2013069384A1 (ja) 2011-11-07 2012-09-25 動画像予測符号化装置、動画像予測符号化方法、動画像予測符号化プログラム、動画像予測復号装置、動画像予測復号方法及び動画像予測復号プログラム

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MX385462B true MX385462B (es) 2025-03-18

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MX2017012544A MX385462B (es) 2011-11-07 2012-09-25 Dispositivo de codificacion predictiva de video, metodo de codificacion predictiva de video, dispositivo de decodificacion predictiva de video, y metodo de decodificacion predictiva de video
MX2016003940A MX351064B (es) 2011-11-07 2012-09-25 Dispositivo de codificación predictiva de video, método de codificación predictiva de video, dispositivo de decodificación predictiva de video, y método de decodificación predictiva de video.
MX2015007435A MX337949B (es) 2011-11-07 2012-09-25 Dispositivo de codificacion predictiva de video, metodo de codificacion predictiva de video, dispositivo de decodificacion predictiva de video, y metodo de decodificacion predictiva de video.
MX2014005287A MX2014005287A (es) 2011-11-07 2012-09-25 Dispositivo de codificacion predictiva de video, metodo de codificacion predictiva de video, programa de codificacion predictiva de video, dispositivo de decodificacion predictiva de video, metodo de decofidicacion predictiva de video, y programa de decodificacion predictiva de video.

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MX2015007435A MX337949B (es) 2011-11-07 2012-09-25 Dispositivo de codificacion predictiva de video, metodo de codificacion predictiva de video, dispositivo de decodificacion predictiva de video, y metodo de decodificacion predictiva de video.
MX2014005287A MX2014005287A (es) 2011-11-07 2012-09-25 Dispositivo de codificacion predictiva de video, metodo de codificacion predictiva de video, programa de codificacion predictiva de video, dispositivo de decodificacion predictiva de video, metodo de decofidicacion predictiva de video, y programa de decodificacion predictiva de video.

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US (7) US9615088B2 (es)
EP (3) EP2779650B1 (es)
JP (1) JP5485969B2 (es)
KR (9) KR101923527B1 (es)
CN (6) CN107105283B (es)
AU (9) AU2012337138B2 (es)
BR (1) BR112014010751B1 (es)
CA (6) CA2854705C (es)
ES (2) ES2625514T3 (es)
IN (1) IN2014CN04100A (es)
MX (4) MX385462B (es)
MY (1) MY166926A (es)
NO (1) NO3054684T3 (es)
PH (1) PH12014501009A1 (es)
PL (2) PL2779650T3 (es)
PT (2) PT3054684T (es)
RU (9) RU2615676C1 (es)
SG (1) SG11201402036UA (es)
TR (1) TR201802964T4 (es)
TW (9) TWI701943B (es)
WO (1) WO2013069384A1 (es)

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