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MX2021000650A - Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado. - Google Patents

Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado.

Info

Publication number
MX2021000650A
MX2021000650A MX2021000650A MX2021000650A MX2021000650A MX 2021000650 A MX2021000650 A MX 2021000650A MX 2021000650 A MX2021000650 A MX 2021000650A MX 2021000650 A MX2021000650 A MX 2021000650A MX 2021000650 A MX2021000650 A MX 2021000650A
Authority
MX
Mexico
Prior art keywords
decoding method
candidate list
bitstream
stored
recording medium
Prior art date
Application number
MX2021000650A
Other languages
English (en)
Inventor
Jin Ho Lee
Tae Hyun Kim
Sung Chang Lim
Jung Won Kang
Ha Hyun Lee
Hui Yong Kim
Gwang Hoon Park
Dae Young Lee
Original Assignee
Electronics & Telecommunications Res Inst
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 Electronics & Telecommunications Res Inst filed Critical Electronics & Telecommunications Res Inst
Publication of MX2021000650A publication Critical patent/MX2021000650A/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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
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    • 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
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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
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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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
    • H04N19/124—Quantisation
    • H—ELECTRICITY
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    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H—ELECTRICITY
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    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • H—ELECTRICITY
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    • 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
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    • 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
    • H04N19/50—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
    • H04N19/50—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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • 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 de imagen codificación/decodificación. La presente invención del método de decodificación una imagen comprende derivar una primera lista de candidato de un bloque actual usando la información de movimiento de un bloque cercano del bloque actual para derivar una primera lista de candidato para el bloque actual, derivar una segunda lista de candidato para el bloque actual usando la información de movimiento previamente reconstruido, derivar una tercera lista de candidato usando la primera lista de candidato y la segunda lista de candidato y generar un bloque de predicción para el bloque actual usando la tercera lista de candidato.
MX2021000650A 2018-07-16 2019-07-16 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado. MX2021000650A (es)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20180082120 2018-07-16
KR20180082119 2018-07-16
KR20180091364 2018-08-06
KR20180112866 2018-09-20
KR20180114286 2018-09-21
PCT/KR2019/008785 WO2020017873A1 (ko) 2018-07-16 2019-07-16 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Publications (1)

Publication Number Publication Date
MX2021000650A true MX2021000650A (es) 2021-03-25

Family

ID=69164121

Family Applications (8)

Application Number Title Priority Date Filing Date
MX2021000650A MX2021000650A (es) 2018-07-16 2019-07-16 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado.
MX2024014903A MX2024014903A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014902A MX2024014902A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014899A MX2024014899A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014898A MX2024014898A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014901A MX2024014901A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014900A MX2024014900A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014904A MX2024014904A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado

Family Applications After (7)

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MX2024014903A MX2024014903A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014902A MX2024014902A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014899A MX2024014899A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014898A MX2024014898A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014901A MX2024014901A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014900A MX2024014900A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado
MX2024014904A MX2024014904A (es) 2018-07-16 2021-01-15 Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado

Country Status (8)

Country Link
US (2) US12041265B2 (es)
KR (1) KR20200008531A (es)
CN (1) CN112438048A (es)
BR (1) BR112021000750A2 (es)
CA (1) CA3106440A1 (es)
MX (8) MX2021000650A (es)
RU (1) RU2769959C1 (es)
WO (1) WO2020017873A1 (es)

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Publication number Publication date
KR20200008531A (ko) 2020-01-28
WO2020017873A1 (ko) 2020-01-23
US12041265B2 (en) 2024-07-16
US20240333969A1 (en) 2024-10-03
US20210274215A1 (en) 2021-09-02
CN112438048A (zh) 2021-03-02
MX2024014899A (es) 2025-01-09
MX2024014902A (es) 2025-01-09
CA3106440A1 (en) 2020-01-23
MX2024014903A (es) 2025-01-09
MX2024014900A (es) 2025-01-09
BR112021000750A2 (pt) 2021-05-11
MX2024014898A (es) 2025-01-09
RU2769959C1 (ru) 2022-04-11
MX2024014904A (es) 2025-01-09
MX2024014901A (es) 2025-01-09

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