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MX2023000074A - Metodo de decodificacion de video y dispositivo para ello y metodo de codificacion de video y dispositivo para ello. - Google Patents

Metodo de decodificacion de video y dispositivo para ello y metodo de codificacion de video y dispositivo para ello.

Info

Publication number
MX2023000074A
MX2023000074A MX2023000074A MX2023000074A MX2023000074A MX 2023000074 A MX2023000074 A MX 2023000074A MX 2023000074 A MX2023000074 A MX 2023000074A MX 2023000074 A MX2023000074 A MX 2023000074A MX 2023000074 A MX2023000074 A MX 2023000074A
Authority
MX
Mexico
Prior art keywords
device therefor
pixel group
block
parameter associated
motion vector
Prior art date
Application number
MX2023000074A
Other languages
English (en)
Inventor
Elena Alshina
Alexander Alshin
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of MX2023000074A publication Critical patent/MX2023000074A/es

Links

Classifications

    • 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
    • H04N19/157—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
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/105—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
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/10—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
    • H04N19/182—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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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

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)
  • Color Television Systems (AREA)

Abstract

Se proporciona un método de decodificación de video que incluye: obtener un primer vector de movimiento que indica un primer bloque de referencia de un bloque actual en una primera imagen de referencia y un segundo vector de movimiento que indica un segundo bloque de referencia del bloque actual en una segunda imagen de referencia; obtener un parámetro relacionado con compensación de movimiento de unidad del grupo de pixel del bloque actual, con base en al menos uno de información del parámetro relacionado con la compensación de movimiento de unidad de grupo de pixel y un parámetro relacionado con una imagen que incluyen la imagen actual; generar un bloque de predicción al realizar, con respecto al bloque actual, compensación de movimiento de unidad de bloque con base en el primer vector de movimiento y el segundo vector de movimiento y realizar la compensación de movimiento de unidad de grupo de pixel con base en el parámetro relacionado con la compensación de movimiento de unidad de grupo de pixel; y reconstruir el bloque actual. Aquí, un grupo de pixel puede incluir al menos un pixel.
MX2023000074A 2016-07-14 2019-01-11 Metodo de decodificacion de video y dispositivo para ello y metodo de codificacion de video y dispositivo para ello. MX2023000074A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201662362172P 2016-07-14 2016-07-14

Publications (1)

Publication Number Publication Date
MX2023000074A true MX2023000074A (es) 2023-02-09

Family

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MX2019000506A MX2019000506A (es) 2016-07-14 2017-07-14 Metodo de decodificacion de video y dispositivo para ello y metodo de codificacion de video y dispositivo para ello.
MX2023000074A MX2023000074A (es) 2016-07-14 2019-01-11 Metodo de decodificacion de video y dispositivo para ello y metodo de codificacion de video y dispositivo para ello.

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Country Status (6)

Country Link
US (4) US11563952B2 (es)
EP (1) EP3471417A4 (es)
KR (4) KR102437110B1 (es)
CN (5) CN109792534B (es)
MX (2) MX2019000506A (es)
WO (1) WO2018012933A1 (es)

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Publication number Publication date
US11563952B2 (en) 2023-01-24
EP3471417A1 (en) 2019-04-17
KR102332526B1 (ko) 2021-11-29
MX2019000506A (es) 2019-03-28
US20230055060A1 (en) 2023-02-23
US20240129492A1 (en) 2024-04-18
KR20210144954A (ko) 2021-11-30
KR20190018673A (ko) 2019-02-25
CN116156200A (zh) 2023-05-23
US11909986B2 (en) 2024-02-20
CN116112687A (zh) 2023-05-12
EP3471417A4 (en) 2019-11-06
KR102516067B1 (ko) 2023-03-30
CN117615147A (zh) 2024-02-27
KR102437110B1 (ko) 2022-08-26
KR20220121918A (ko) 2022-09-01
CN109792534B (zh) 2023-04-18
US12160590B2 (en) 2024-12-03
KR20230042424A (ko) 2023-03-28
WO2018012933A1 (ko) 2018-01-18
US20250047871A1 (en) 2025-02-06
CN116095342A (zh) 2023-05-09
US20210281852A1 (en) 2021-09-09
CN109792534A (zh) 2019-05-21

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