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MX2024011968A - Metodo de codificacion/decodificacion de se?al de imagen y aparato para el mismo - Google Patents

Metodo de codificacion/decodificacion de se?al de imagen y aparato para el mismo

Info

Publication number
MX2024011968A
MX2024011968A MX2024011968A MX2024011968A MX2024011968A MX 2024011968 A MX2024011968 A MX 2024011968A MX 2024011968 A MX2024011968 A MX 2024011968A MX 2024011968 A MX2024011968 A MX 2024011968A MX 2024011968 A MX2024011968 A MX 2024011968A
Authority
MX
Mexico
Prior art keywords
decodification
same
image signal
signal encoding
current block
Prior art date
Application number
MX2024011968A
Other languages
English (en)
Inventor
Bae Keun Lee
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp 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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of MX2024011968A publication Critical patent/MX2024011968A/es

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    • 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
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    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • H—ELECTRICITY
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    • 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
    • H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
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    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
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    • 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
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    • 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
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    • 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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    • 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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    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
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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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
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    • 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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Un método de decodificación de imagen de acuerdo con la presente invención puede comprender los pasos de: determinar si un modo de predicción combinado se aplica a un bloque actual; cuando el modo de predicción combinado se aplica al bloque actual, obtener un primer y segundo bloque de predicción con respecto al bloque actual; y, con base en un cálculo de una suma ponderada del primer y segundo bloque de predicción, obtener un tercer bloque de predicción con respecto al bloque actual.
MX2024011968A 2018-11-08 2021-05-06 Metodo de codificacion/decodificacion de se?al de imagen y aparato para el mismo MX2024011968A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20180136256 2018-11-08
KR20180148948 2018-11-27
PCT/KR2019/015097 WO2020096389A1 (ko) 2018-11-08 2019-11-07 영상 신호 부호화/복호화 방법 및 이를 위한 장치

Publications (1)

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MX2024011968A true MX2024011968A (es) 2024-11-08

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MX2021005368A MX2021005368A (es) 2018-11-08 2019-11-07 Método de codificación/decodificación de señal de imagen y aparato para el mismo.
MX2024011967A MX2024011967A (es) 2018-11-08 2021-05-06 Metodo de codificacion/decodificacion de se?al de imagen y aparato para el mismo
MX2024011968A MX2024011968A (es) 2018-11-08 2021-05-06 Metodo de codificacion/decodificacion de se?al de imagen y aparato para el mismo
MX2024011970A MX2024011970A (es) 2018-11-08 2021-05-06 Metodo de codificacion/decodificacion de se?al de imagen y aparato para el mismo

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MX2021005368A MX2021005368A (es) 2018-11-08 2019-11-07 Método de codificación/decodificación de señal de imagen y aparato para el mismo.
MX2024011967A MX2024011967A (es) 2018-11-08 2021-05-06 Metodo de codificacion/decodificacion de se?al de imagen y aparato para el mismo

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US (5) US11252405B2 (es)
EP (2) EP4221204A1 (es)
JP (7) JP7182705B2 (es)
KR (1) KR20200054105A (es)
CN (6) CN113170126A (es)
AU (1) AU2019375718B2 (es)
BR (1) BR112021008731A2 (es)
CA (1) CA3117933C (es)
CL (1) CL2021001206A1 (es)
ES (1) ES2948265T3 (es)
IL (3) IL314659A (es)
MX (4) MX2021005368A (es)
MY (1) MY205738A (es)
PH (1) PH12021550932A1 (es)
PL (1) PL3849184T3 (es)
RU (1) RU2766152C1 (es)
SG (1) SG11202104319VA (es)
WO (1) WO2020096389A1 (es)
ZA (1) ZA202102793B (es)

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