MX351933B - Método para generar un bloque de predicción en modo de predicción de vector de movimiento avanzada (amvp). - Google Patents

Método para generar un bloque de predicción en modo de predicción de vector de movimiento avanzada (amvp).

Info

Publication number
MX351933B
MX351933B MX2016014512A MX2016014512A MX351933B MX 351933 B MX351933 B MX 351933B MX 2016014512 A MX2016014512 A MX 2016014512A MX 2016014512 A MX2016014512 A MX 2016014512A MX 351933 B MX351933 B MX 351933B
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MX
Mexico
Prior art keywords
motion vector
amvp
prediction unit
current prediction
prediction block
Prior art date
Application number
MX2016014512A
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English (en)
Inventor
Kwangje Kim
Hyunoh Oh
Original Assignee
Ibex Pt Holdings Co Ltd
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47756521&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX351933(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ibex Pt Holdings Co Ltd filed Critical Ibex Pt Holdings Co Ltd
Publication of MX351933B publication Critical patent/MX351933B/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
    • H04N19/50—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
    • H04N19/10—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
    • 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
    • H04N19/10—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/198—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
    • 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
    • H04N19/593—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
    • H04N19/61—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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Se describe un método para generar un bloque de predicción en el modo de Predicción de Vector de Movimiento Avanzado (AMVP) para reconstruir una señal de video codificada por predicción utilizando un vector de movimiento aproximado a la información de movimiento original; se genera una lista de candidato AMVP utilizando los candidatos AMVP espacial y temporal efectivos para una Unidad de predicción de corriente (PU); si el número de los candidatos AMVP efectivo es menor que un valor previamente determinado, un vector de movimiento que tiene un valor previamente determinado se agrega a la lista de candidatos AMVP como un candidato; entonces, se determina un vector de movimiento que corresponde a un índice AMVP de la PU actual de entre los vectores de movimiento incluidos en la lista de candidato AMVP para ser un pronosticador de vector de movimiento de la PU actual; un vector de movimiento de la PU actual se reconstruye utilizando el vector de movimiento diferencial y el pronosticador de vector de movimiento y se genera un bloque de predicción que corresponde a una posición indicada por el vector de movimiento reconstruido dentro de una imagen de referencia indicada por el índice de imagen de referencia; debido a que la información de movimiento de la PU actual es mejor pronosticada utilizando los candidatos de vector de movimiento espacial y temporal, se reduce la cantidad de información codificada; adicionalmente, un bloque de predicción preciso puede generarse rápido mediante la información de movimiento de decodificación codificada en el modo AMVP de manera muy efectiva.
MX2016014512A 2011-08-29 2012-01-20 Método para generar un bloque de predicción en modo de predicción de vector de movimiento avanzada (amvp). MX351933B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20110086518 2011-08-29
PCT/KR2012/000522 WO2013032073A1 (ko) 2011-08-29 2012-01-20 Ａｍｖｐ 모드에서의 예측 블록 생성 방법

Publications (1)

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MX351933B true MX351933B (es) 2017-11-01

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Family Applications (4)

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MX2016014512A MX351933B (es) 2011-08-29 2012-01-20 Método para generar un bloque de predicción en modo de predicción de vector de movimiento avanzada (amvp).
MX2019005839A MX2019005839A (es) 2011-08-29 2012-01-20 Metodo para generar un bloque de prediccion en modo de prediccion de vector de movimiento avanzada (amvp).
MX2014002346A MX343471B (es) 2011-08-29 2012-01-20 Metodo para generar un bloque de prediccion en modo de prediccion de vector de movimiento avanzada (amvp).
MX2017014038A MX365013B (es) 2011-08-29 2012-01-20 Metodo para generar un bloque de prediccion en modo de prediccion de vector de movimiento avanzada (amvp).

Family Applications After (3)

Application Number Title Priority Date Filing Date
MX2019005839A MX2019005839A (es) 2011-08-29 2012-01-20 Metodo para generar un bloque de prediccion en modo de prediccion de vector de movimiento avanzada (amvp).
MX2014002346A MX343471B (es) 2011-08-29 2012-01-20 Metodo para generar un bloque de prediccion en modo de prediccion de vector de movimiento avanzada (amvp).
MX2017014038A MX365013B (es) 2011-08-29 2012-01-20 Metodo para generar un bloque de prediccion en modo de prediccion de vector de movimiento avanzada (amvp).

Country Status (6)

Country Link
US (18) US20130128982A1 (es)
KR (4) KR101210892B1 (es)
CN (7) CN107257480B (es)
BR (1) BR112014004914B1 (es)
MX (4) MX351933B (es)
WO (1) WO2013032073A1 (es)

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