MX337647B - Metodo y aparato para codificar y decodificar imagenes utilizando intra-prediccion. - Google Patents

Metodo y aparato para codificar y decodificar imagenes utilizando intra-prediccion.

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Publication number
MX337647B
MX337647B MX2015001316A MX2015001316A MX337647B MX 337647 B MX337647 B MX 337647B MX 2015001316 A MX2015001316 A MX 2015001316A MX 2015001316 A MX2015001316 A MX 2015001316A MX 337647 B MX337647 B MX 337647B
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MX
Mexico
Prior art keywords
pixel
current
prediction
prediction value
intra prediction
Prior art date
Application number
MX2015001316A
Other languages
English (en)
Inventor
Tammy Lee
Jianle Chen
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of MX337647B publication Critical patent/MX337647B/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
    • H04N19/59—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
    • 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
    • H04N19/10—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/102—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
    • H04N19/50—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
    • H04N19/60—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
    • H04N19/80—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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

La presente invención se refiere a un método y a un aparato para la intra-predicción de una imagen, los cuales generan un valor de predicción por vía de una interpolación lineal en las direcciones horizontal y vertical de una unidad de predicción actual. El método incluye: generar un primer pixel virtual y un segundo pixel virtual mediante el uso de por lo menos un pixel adyacente que está localizado en el lado superior derecho y el lado inferior izquierdo con respecto a una unidad de predicción actual; obtener un primer valor de predicción de un pixel actual por vía de una interpolación lineal utilizando un pixel izquierdo adyacente localizado en la misma línea que el primer pixel virtual y el pixel actual; obtener un segundo valor de predicción del piel actual por vía de una interpolación lineal utilizando un pixel superior adyacente localizado en la misma columna que el segundo pixel virtual y el pixel actual; y obtener un valor de predicción del pixel actual mediante el uso del primer valor de predicción y el segundo valor de predicción.
MX2015001316A 2011-06-28 2012-06-28 Metodo y aparato para codificar y decodificar imagenes utilizando intra-prediccion. MX337647B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161501969P 2011-06-28 2011-06-28
PCT/KR2012/005148 WO2013002586A2 (ko) 2011-06-28 2012-06-28 영상의 인트라 예측 부호화, 복호화 방법 및 장치

Publications (1)

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MX337647B true MX337647B (es) 2016-03-14

Family

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Family Applications (4)

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MX2017009212A MX368350B (es) 2011-06-28 2012-06-28 Metodo y aparato para codificar y decodificar imagenes utilizando intra-prediccion.
MX2016003159A MX349194B (es) 2011-06-28 2012-06-28 Metodo y aparato para codificar y decodificar imagenes utilizando intra-prediccion.
MX2015001316A MX337647B (es) 2011-06-28 2012-06-28 Metodo y aparato para codificar y decodificar imagenes utilizando intra-prediccion.
MX2014000171A MX2014000171A (es) 2011-06-28 2012-06-28 Metodo y aparato para codificar y decodificar imagenes utilizando intra-prediccion.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
MX2017009212A MX368350B (es) 2011-06-28 2012-06-28 Metodo y aparato para codificar y decodificar imagenes utilizando intra-prediccion.
MX2016003159A MX349194B (es) 2011-06-28 2012-06-28 Metodo y aparato para codificar y decodificar imagenes utilizando intra-prediccion.

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Country Status (15)

Country Link
US (7) US9813727B2 (es)
EP (6) EP2919469A3 (es)
JP (5) JP5956572B2 (es)
KR (7) KR101654673B1 (es)
CN (6) CN105100809B (es)
AU (3) AU2012276407B2 (es)
BR (1) BR112013033710A2 (es)
CA (2) CA2840486C (es)
MX (4) MX368350B (es)
MY (4) MY173195A (es)
PH (5) PH12014500015A1 (es)
RU (4) RU2627033C1 (es)
TW (4) TWI603613B (es)
WO (1) WO2013002586A2 (es)
ZA (1) ZA201400651B (es)

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