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MX2022000333A - Manejo de múltiples tamaños de imagen y ventanas de conformidad para el remuestreo de imágenes de referencia en la codificación de video. - Google Patents

Manejo de múltiples tamaños de imagen y ventanas de conformidad para el remuestreo de imágenes de referencia en la codificación de video.

Info

Publication number
MX2022000333A
MX2022000333A MX2022000333A MX2022000333A MX2022000333A MX 2022000333 A MX2022000333 A MX 2022000333A MX 2022000333 A MX2022000333 A MX 2022000333A MX 2022000333 A MX2022000333 A MX 2022000333A MX 2022000333 A MX2022000333 A MX 2022000333A
Authority
MX
Mexico
Prior art keywords
conformity
windows
video encoding
reference images
multiple image
Prior art date
Application number
MX2022000333A
Other languages
English (en)
Inventor
Fnu Hendry
Jianle Chen
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 MX2022000333A publication Critical patent/MX2022000333A/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
    • 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
    • H04N19/10Methods 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
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169Methods 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
    • H04N19/172Methods 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
    • 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
    • H04N19/184Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/547Motion estimation performed in a transform domain
    • 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
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/96Tree 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)

Abstract

Un método de decodificación incluye recibir un primer conjunto de parámetros de imagen y un segundo conjunto de parámetros de imagen, cada uno de los cuales se refiere al mismo conjunto de parámetros de secuencia, en el que cuando el primer conjunto de parámetros de imagen y el segundo conjunto de parámetros de imagen tienen los mismos valores de anchura y altura de imagen, el primer conjunto de parámetros de imagen y el segundo conjunto de parámetros de imagen tienen los mismos valores de una ventana de conformidad; y aplicar la ventana de conformidad a una imagen actual correspondiente al primer conjunto de parámetros de imágenes o al segundo conjunto de parámetros de imágenes.
MX2022000333A 2019-07-08 2020-07-07 Manejo de múltiples tamaños de imagen y ventanas de conformidad para el remuestreo de imágenes de referencia en la codificación de video. MX2022000333A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962871493P 2019-07-08 2019-07-08
PCT/US2020/041026 WO2020215101A1 (en) 2019-07-08 2020-07-07 Handling of multiple picture size and conformance windows for reference picture resampling in video coding

Publications (1)

Publication Number Publication Date
MX2022000333A true MX2022000333A (es) 2022-03-17

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MX2022000333A MX2022000333A (es) 2019-07-08 2020-07-07 Manejo de múltiples tamaños de imagen y ventanas de conformidad para el remuestreo de imágenes de referencia en la codificación de video.
MX2024015563A MX2024015563A (es) 2019-07-08 2022-01-06 Manejo de multiples tama?os de imagen y ventanas de conformidad para el remuestreo de imagenes de referencia en la codificacion de video

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Country Status (16)

Country Link
US (3) US11785220B2 (es)
EP (2) EP4221227A1 (es)
JP (2) JP7477248B2 (es)
KR (1) KR20220025017A (es)
CN (6) CN116347101B (es)
AU (2) AU2020259509B2 (es)
CL (1) CL2022000041A1 (es)
DK (1) DK3977723T3 (es)
ES (1) ES2974627T3 (es)
FI (1) FI3977723T3 (es)
HU (1) HUE065468T2 (es)
MX (2) MX2022000333A (es)
PL (1) PL3977723T3 (es)
PT (1) PT3977723T (es)
WO (1) WO2020215101A1 (es)
ZA (1) ZA202200186B (es)

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Also Published As

Publication number Publication date
US20230421772A1 (en) 2023-12-28
US12439048B2 (en) 2025-10-07
CN114026848B (zh) 2023-03-24
HUE065468T2 (hu) 2024-05-28
US20220159262A1 (en) 2022-05-19
JP7477248B2 (ja) 2024-05-01
US11785220B2 (en) 2023-10-10
DK3977723T3 (da) 2024-03-11
CN115037945A (zh) 2022-09-09
JP7789833B2 (ja) 2025-12-22
CN116634169A (zh) 2023-08-22
AU2020259509B2 (en) 2025-05-22
WO2020215101A1 (en) 2020-10-22
CN116347100A (zh) 2023-06-27
KR20220025017A (ko) 2022-03-03
AU2024266970A1 (en) 2024-12-19
CA3146230A1 (en) 2020-10-22
CL2022000041A1 (es) 2022-08-26
EP3977723A4 (en) 2022-08-10
FI3977723T3 (fi) 2024-03-13
CN116347101B (zh) 2025-07-01
MX2024015563A (es) 2025-02-10
EP4221227A1 (en) 2023-08-02
EP3977723B1 (en) 2024-01-10
EP3977723A1 (en) 2022-04-06
PL3977723T3 (pl) 2024-04-22
AU2024266970B2 (en) 2025-12-04
CN114026848A (zh) 2022-02-08
JP2024102105A (ja) 2024-07-30
NZ784015A (en) 2024-03-22
CN116347101A (zh) 2023-06-27
US20260012604A1 (en) 2026-01-08
EP3977723B9 (en) 2024-06-26
ZA202200186B (en) 2022-10-26
BR112022000292A2 (pt) 2022-02-22
JP2022540429A (ja) 2022-09-15
ES2974627T3 (es) 2024-06-28
PT3977723T (pt) 2024-03-11
CN115037945B (zh) 2023-04-04
CN116419000A (zh) 2023-07-11
AU2020259509A1 (en) 2022-02-03

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