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MX2024009653A - Un codificador, un decodificador y metodos correspondientes para interprediccion. - Google Patents

Un codificador, un decodificador y metodos correspondientes para interprediccion.

Info

Publication number
MX2024009653A
MX2024009653A MX2024009653A MX2024009653A MX2024009653A MX 2024009653 A MX2024009653 A MX 2024009653A MX 2024009653 A MX2024009653 A MX 2024009653A MX 2024009653 A MX2024009653 A MX 2024009653A MX 2024009653 A MX2024009653 A MX 2024009653A
Authority
MX
Mexico
Prior art keywords
index
prediction
block
interprediction
decoder
Prior art date
Application number
MX2024009653A
Other languages
English (en)
Inventor
Semih Esenlik
Jianle Chen
Sergey Yurievich Ikonin
Roman Igorevich Chernyak
Biao Wang
Anand Meher Kotra
Han Gao
Timofey Mikhailovich Solovyev
Alexander Alexandrovich Karabutov
Original Assignee
Huawei Tech 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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2024009653A publication Critical patent/MX2024009653A/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
    • H04N19/102—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
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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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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • H—ELECTRICITY
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    • 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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    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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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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    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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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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    • 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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/46—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
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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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
    • H04N19/513—Processing of motion vectors
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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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
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    • 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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    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

Un método de predicción para un bloque de imagen que comprende un primer sub-bloque de predicción y un segundo sub-bloque de predicción, el método de predicción que comprende: analizar un primer índice de un flujo de bits, en donde el primer índice se utiliza para obtener información de predicción del primer sub-bloque de predicción; analizar un segundo índice del flujo de bits; comparar el primer índice con el segundo índice; ajustar el segundo índice en el caso de que el segundo índice sea igual o mayor que el primer índice; obtener información de predicción del segundo sub-bloque de predicción de acuerdo con el segundo índice ajustado.
MX2024009653A 2018-11-22 2021-05-21 Un codificador, un decodificador y metodos correspondientes para interprediccion. MX2024009653A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862770826P 2018-11-22 2018-11-22
US201962787678P 2019-01-02 2019-01-02
US201962816897P 2019-03-11 2019-03-11
US201962905367P 2019-09-24 2019-09-24

Publications (1)

Publication Number Publication Date
MX2024009653A true MX2024009653A (es) 2024-08-19

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Application Number Title Priority Date Filing Date
MX2021006039A MX2021006039A (es) 2018-11-22 2019-11-22 Un codificador, un decodificador y métodos correspondientes para interpredicción.
MX2024009653A MX2024009653A (es) 2018-11-22 2021-05-21 Un codificador, un decodificador y metodos correspondientes para interprediccion.
MX2024009655A MX2024009655A (es) 2018-11-22 2021-05-21 Un codificador, un decodificador y metodos correspondientes para interprediccion.
MX2024009652A MX2024009652A (es) 2018-11-22 2021-05-21 Un codificador, un decodificador y metodos correspondientes para interprediccion.
MX2024009654A MX2024009654A (es) 2018-11-22 2021-05-21 Un codificador, un decodificador y metodos correspondientes para interprediccion.

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MX2024009652A MX2024009652A (es) 2018-11-22 2021-05-21 Un codificador, un decodificador y metodos correspondientes para interprediccion.
MX2024009654A MX2024009654A (es) 2018-11-22 2021-05-21 Un codificador, un decodificador y metodos correspondientes para interprediccion.

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US (2) US11558632B2 (es)
EP (2) EP4221205A1 (es)
JP (3) JP7239697B2 (es)
KR (2) KR102638710B1 (es)
CN (2) CN113727101B (es)
AU (3) AU2019384016B2 (es)
BR (1) BR112021009848A2 (es)
CA (1) CA3120877A1 (es)
ES (1) ES2946909T3 (es)
HU (1) HUE062487T2 (es)
IL (1) IL283359B2 (es)
MX (5) MX2021006039A (es)
PL (1) PL3884670T3 (es)
PT (1) PT3884670T (es)
SG (1) SG11202105354YA (es)
WO (1) WO2020106190A1 (es)

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MX2024009652A (es) 2024-08-19
WO2020106190A1 (en) 2020-05-28
PL3884670T3 (pl) 2023-07-10
US12177469B2 (en) 2024-12-24
JP7635503B2 (ja) 2025-02-26
IL283359A (en) 2021-07-29
SG11202105354YA (en) 2021-06-29
EP3884670B9 (en) 2023-07-19
MX2024009654A (es) 2024-08-19
AU2019384016A1 (en) 2021-06-17
IL283359B1 (en) 2024-12-01
AU2023203444B9 (en) 2025-03-06
JP2023078188A (ja) 2023-06-06
AU2019384016B2 (en) 2023-03-02
MX2021006039A (es) 2021-09-10
CN113170142A (zh) 2021-07-23
JP2025016697A (ja) 2025-02-04
ES2946909T3 (es) 2023-07-27
CN113727101A (zh) 2021-11-30
US11558632B2 (en) 2023-01-17
EP3884670A1 (en) 2021-09-29
CA3120877A1 (en) 2020-05-28
AU2023203444B2 (en) 2025-02-20
CN113727101B (zh) 2022-10-11
EP3884670A4 (en) 2022-01-19
EP3884670B1 (en) 2023-05-10
EP4221205A1 (en) 2023-08-02
KR20240025062A (ko) 2024-02-26
JP2022507872A (ja) 2022-01-18
US20230125381A1 (en) 2023-04-27
KR20210089776A (ko) 2021-07-16
KR102638710B1 (ko) 2024-02-19
US20210281870A1 (en) 2021-09-09
JP7239697B2 (ja) 2023-03-14
AU2023203444A1 (en) 2023-06-29
HUE062487T2 (hu) 2023-11-28
BR112021009848A2 (pt) 2021-08-17
AU2025203491A1 (en) 2025-06-05
MX2024009655A (es) 2024-08-19
IL283359B2 (en) 2025-04-01
PT3884670T (pt) 2023-06-02

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