MX2021005504A - Metodo de codificacion/decodificacion de se?al de imagen y aparato para ello. - Google Patents

Metodo de codificacion/decodificacion de se?al de imagen y aparato para ello.

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Publication number
MX2021005504A
MX2021005504A MX2021005504A MX2021005504A MX2021005504A MX 2021005504 A MX2021005504 A MX 2021005504A MX 2021005504 A MX2021005504 A MX 2021005504A MX 2021005504 A MX2021005504 A MX 2021005504A MX 2021005504 A MX2021005504 A MX 2021005504A
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MX
Mexico
Prior art keywords
encoding
coding block
image signal
apparatus therefor
decoding image
Prior art date
Application number
MX2021005504A
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 MX2021005504A publication Critical patent/MX2021005504A/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
    • 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
    • H04N19/134—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
    • 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
    • H04N19/102—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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    • H04N19/10—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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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
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    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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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
    • 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
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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
    • H04N19/182—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
    • H—ELECTRICITY
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    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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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
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    • 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
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    • 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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    • H04N19/50—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
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
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    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—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
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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

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  • 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 Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

Un método para decodificar una imagen, de acuerdo con la presente invención, comprende los pasos de: determinar si un bloque de codificación se divide en una primera unidad de predicción y una segunda unidad de predicción; determinar un tipo de partición del bloque de codificación cuando se determina que el bloque de codificación está dividido; derivar la primera información de movimiento sobre una primera unidad de predicción y la segunda información de movimiento sobre una segunda unidad de predicción dentro del bloque de codificación; y adquirir una muestra de predicción dentro del bloque de codificación sobre la base de la primera información de movimiento y la segunda información de movimiento.
MX2021005504A 2018-11-08 2019-11-07 Metodo de codificacion/decodificacion de se?al de imagen y aparato para ello. MX2021005504A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20180136255 2018-11-08
KR20180149064 2018-11-27
KR20180148890 2018-11-27
PCT/KR2019/015096 WO2020096388A1 (ko) 2018-11-08 2019-11-07 영상 신호 부호화/복호화 방법 및 이를 위한 장치

Publications (1)

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MX2021005504A true MX2021005504A (es) 2021-06-18

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US (3) US11470312B2 (es)
EP (2) EP3876539B1 (es)
JP (2) JP7430721B2 (es)
KR (1) KR20200054104A (es)
CN (4) CN113395519B (es)
AU (1) AU2019375315B2 (es)
BR (1) BR112021008298A2 (es)
CA (2) CA3207984A1 (es)
CL (1) CL2021001128A1 (es)
DK (1) DK3876539T3 (es)
ES (1) ES2972075T3 (es)
FI (1) FI3876539T3 (es)
IL (2) IL282761B2 (es)
MX (1) MX2021005504A (es)
PH (1) PH12021550966A1 (es)
PL (1) PL3876539T3 (es)
PT (1) PT3876539T (es)
SG (1) SG11202104433RA (es)
WO (1) WO2020096388A1 (es)
ZA (1) ZA202103439B (es)

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JP2022509024A (ja) 2022-01-20
SG11202104433RA (en) 2021-05-28
IL307153A (en) 2023-11-01
IL282761B2 (en) 2024-04-01
BR112021008298A2 (pt) 2021-08-03
FI3876539T3 (fi) 2024-02-09
IL282761A (en) 2021-06-30
AU2019375315A1 (en) 2021-06-03
US20220337832A1 (en) 2022-10-20
KR20200054104A (ko) 2020-05-19
PT3876539T (pt) 2024-02-06
IL282761B1 (en) 2023-12-01
AU2019375315B2 (en) 2024-06-06
JP7430721B2 (ja) 2024-02-13
ES2972075T3 (es) 2024-06-11
EP3876539B1 (en) 2023-12-27
US20220337833A1 (en) 2022-10-20
CN116248869A (zh) 2023-06-09
CA3118269C (en) 2023-10-03
WO2020096388A1 (ko) 2020-05-14
IL307153B1 (en) 2024-06-01
CN113395519A (zh) 2021-09-14
EP4274233A2 (en) 2023-11-08
CA3207984A1 (en) 2020-05-14
US11470312B2 (en) 2022-10-11
US11882282B2 (en) 2024-01-23
ZA202103439B (en) 2022-07-27
EP3876539A1 (en) 2021-09-08
PL3876539T3 (pl) 2024-04-15
CA3118269A1 (en) 2020-05-14
EP3876539A4 (en) 2021-12-29
EP4274233A3 (en) 2023-11-22
US20210337196A1 (en) 2021-10-28
DK3876539T3 (da) 2024-02-12
CN113395519B (zh) 2023-04-07
CN112970260A (zh) 2021-06-15
CN116248870A (zh) 2023-06-09
CL2021001128A1 (es) 2021-11-19
PH12021550966A1 (en) 2021-12-06
JP2024045337A (ja) 2024-04-02

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