MX2021015811A - Metodos y aparatos para el refinamiento del vector de movimiento en el decodificador en la codificacion de video. - Google Patents

Metodos y aparatos para el refinamiento del vector de movimiento en el decodificador en la codificacion de video.

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Publication number
MX2021015811A
MX2021015811A MX2021015811A MX2021015811A MX2021015811A MX 2021015811 A MX2021015811 A MX 2021015811A MX 2021015811 A MX2021015811 A MX 2021015811A MX 2021015811 A MX2021015811 A MX 2021015811A MX 2021015811 A MX2021015811 A MX 2021015811A
Authority
MX
Mexico
Prior art keywords
motion vector
decoder
video coding
apparatuses
methods
Prior art date
Application number
MX2021015811A
Other languages
English (en)
Spanish (es)
Inventor
Xianglin Wang
Xiaoyu Xiu
Yi-Wen Chen
Tsung-Chuan Ma
Original Assignee
Beijing Dajia Internet Information 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 Beijing Dajia Internet Information Tech Co Ltd filed Critical Beijing Dajia Internet Information Tech Co Ltd
Publication of MX2021015811A publication Critical patent/MX2021015811A/es

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/521Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/523Motion estimation or motion compensation with sub-pixel accuracy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/567Motion estimation based on rate distortion criteria

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
MX2021015811A 2019-06-17 2020-06-17 Metodos y aparatos para el refinamiento del vector de movimiento en el decodificador en la codificacion de video. MX2021015811A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962862674P 2019-06-17 2019-06-17
PCT/US2020/038253 WO2020257365A1 (en) 2019-06-17 2020-06-17 Methods and apparatuses for decoder-side motion vector refinement in video coding

Publications (1)

Publication Number Publication Date
MX2021015811A true MX2021015811A (es) 2022-02-03

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MX2021015811A MX2021015811A (es) 2019-06-17 2020-06-17 Metodos y aparatos para el refinamiento del vector de movimiento en el decodificador en la codificacion de video.
MX2025007604A MX2025007604A (es) 2019-06-17 2021-12-15 Metodos y aparatos para el refinamiento del vector de movimiento en el decodificador en la codificacion de video
MX2025007536A MX2025007536A (es) 2019-06-17 2021-12-15 Metodos y aparatos para el refinamiento del vector de movimiento en el decodificador en la codificacion de video

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MX2025007604A MX2025007604A (es) 2019-06-17 2021-12-15 Metodos y aparatos para el refinamiento del vector de movimiento en el decodificador en la codificacion de video
MX2025007536A MX2025007536A (es) 2019-06-17 2021-12-15 Metodos y aparatos para el refinamiento del vector de movimiento en el decodificador en la codificacion de video

Country Status (8)

Country Link
US (4) US11962797B2 (enExample)
EP (2) EP4468709A3 (enExample)
JP (3) JP7098847B2 (enExample)
KR (2) KR102417212B1 (enExample)
CN (5) CN115941970B (enExample)
ES (1) ES3013933T3 (enExample)
MX (3) MX2021015811A (enExample)
WO (1) WO2020257365A1 (enExample)

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Publication number Publication date
CN116916026A (zh) 2023-10-20
CN116916026B (zh) 2024-05-31
JP2022530283A (ja) 2022-06-28
MX2025007604A (es) 2025-08-01
US20240114164A1 (en) 2024-04-04
EP4468709A2 (en) 2024-11-27
WO2020257365A1 (en) 2020-12-24
JP7098847B2 (ja) 2022-07-11
EP3970376C0 (en) 2024-11-27
CN113940073A (zh) 2022-01-14
CN115941970A (zh) 2023-04-07
KR20210157919A (ko) 2021-12-29
EP3970376A4 (en) 2022-11-09
JP2024016288A (ja) 2024-02-06
ES3013933T3 (en) 2025-04-15
JP7411023B2 (ja) 2024-01-10
US11962797B2 (en) 2024-04-16
MX2025007536A (es) 2025-08-01
CN115941970B (zh) 2024-02-20
KR20220098294A (ko) 2022-07-11
CN117221548A (zh) 2023-12-12
JP2022130610A (ja) 2022-09-06
EP3970376A1 (en) 2022-03-23
US20220116643A1 (en) 2022-04-14
EP4468709A3 (en) 2025-02-12
US20240146950A1 (en) 2024-05-02
JP7659611B2 (ja) 2025-04-09
US20240146952A1 (en) 2024-05-02
EP3970376B1 (en) 2024-11-27
CN114513666B (zh) 2023-01-17
CN117221548B (zh) 2024-06-25
KR102417212B1 (ko) 2022-07-05
US12604027B2 (en) 2026-04-14
KR102848139B1 (ko) 2025-08-19
CN114513666A (zh) 2022-05-17

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