MX2022013782A - Metodo de prediccion de vector de movimiento y aparato relacionado. - Google Patents

Metodo de prediccion de vector de movimiento y aparato relacionado.

Info

Publication number
MX2022013782A
MX2022013782A MX2022013782A MX2022013782A MX2022013782A MX 2022013782 A MX2022013782 A MX 2022013782A MX 2022013782 A MX2022013782 A MX 2022013782A MX 2022013782 A MX2022013782 A MX 2022013782A MX 2022013782 A MX2022013782 A MX 2022013782A
Authority
MX
Mexico
Prior art keywords
candidate motion
motion vector
equal
motion vectors
control points
Prior art date
Application number
MX2022013782A
Other languages
English (en)
Inventor
Jianle Chen
Huanbang Chen
Haitao Yang
Jiali Fu
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 MX2022013782A publication Critical patent/MX2022013782A/es

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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
    • H04N19/136—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
    • H04N19/50—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
    • 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
    • H04N19/537—Motion estimation other than block-based
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/50—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
    • 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
    • H04N19/61—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
    • H04N19/70—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)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Esta solicitud proporciona un método de predicción de vector de movimiento y un aparato relacionado. El método incluye: analizar un flujo de bits para obtener un valor de índice de una lista de vectores de movimiento candidatos; construir la lista de vectores de movimiento candidatos, donde la lista de vectores de movimiento candidatos incluye vectores de movimiento candidatos de K puntos de control de un bloque actual, los vectores de movimiento candidatos de los K puntos de control se obtienen con base en un modelo de transformada afín de 2N parámetros utilizado para un bloque vecino del bloque actual, N es un número entero mayor o igual a 2 y menor o igual a 4, K es un número entero mayor o igual a 2 y menor o igual a 4, y N no es igual a K; determinar, en la lista de vectores de movimiento candidatos, vectores de movimiento candidatos objetivo de los K puntos de control con base en el valor de índice; y obtener un vector de movimiento predicho de cada subbloque del bloque actual con base en los vectores de movimiento candidatos objetivo de los K puntos de control. Esta solicitud ayuda a mejorar la eficiencia de codificación en un proceso de codificación de audio y video, y satisface un requerimiento de usuario.
MX2022013782A 2018-07-02 2021-01-06 Metodo de prediccion de vector de movimiento y aparato relacionado. MX2022013782A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862693422P 2018-07-02 2018-07-02
US201862699733P 2018-07-18 2018-07-18

Publications (1)

Publication Number Publication Date
MX2022013782A true MX2022013782A (es) 2022-11-30

Family

ID=69060695

Family Applications (4)

Application Number Title Priority Date Filing Date
MX2021000171A MX2021000171A (es) 2018-07-02 2018-11-22 Método de predicción de vector de movimiento y aparato relacionado.
MX2022013784A MX2022013784A (es) 2018-07-02 2021-01-06 Metodo de prediccion de vector de movimiento y aparato relacionado.
MX2022013781A MX2022013781A (es) 2018-07-02 2021-01-06 Metodo de prediccion de vector de movimiento y aparato relacionado.
MX2022013782A MX2022013782A (es) 2018-07-02 2021-01-06 Metodo de prediccion de vector de movimiento y aparato relacionado.

Family Applications Before (3)

Application Number Title Priority Date Filing Date
MX2021000171A MX2021000171A (es) 2018-07-02 2018-11-22 Método de predicción de vector de movimiento y aparato relacionado.
MX2022013784A MX2022013784A (es) 2018-07-02 2021-01-06 Metodo de prediccion de vector de movimiento y aparato relacionado.
MX2022013781A MX2022013781A (es) 2018-07-02 2021-01-06 Metodo de prediccion de vector de movimiento y aparato relacionado.

Country Status (9)

Country Link
US (4) US11206408B2 (es)
EP (1) EP3809704A4 (es)
JP (2) JP7368396B2 (es)
KR (2) KR102606146B1 (es)
CN (3) CN115733974A (es)
BR (1) BR112020026992A2 (es)
MX (4) MX2021000171A (es)
SG (1) SG11202013202YA (es)
WO (1) WO2020006969A1 (es)

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US11418793B2 (en) * 2018-10-04 2022-08-16 Qualcomm Incorporated Adaptive affine motion vector coding
CN113273205A (zh) * 2018-12-21 2021-08-17 北京字节跳动网络技术有限公司 使用更高比特深度精度的运动矢量推导
CN112055207A (zh) * 2020-08-06 2020-12-08 浙江大华技术股份有限公司 时域运动矢量预测方法、设备及存储介质
CN114374849A (zh) * 2020-10-18 2022-04-19 腾讯科技（深圳）有限公司 一种候选运动信息列表确定方法、装置、电子设备及存储介质
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CN114979627A (zh) * 2021-02-24 2022-08-30 华为技术有限公司 视频编码中的运动矢量(mv)约束和变换约束

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Also Published As

Publication number Publication date
US20230370606A1 (en) 2023-11-16
MX2021000171A (es) 2022-11-01
MX2022013784A (es) 2022-11-30
US20210127116A1 (en) 2021-04-29
CN110876282A (zh) 2020-03-10
KR20210022101A (ko) 2021-03-02
KR102606146B1 (ko) 2023-11-23
CN110876282B (zh) 2022-10-18
US20220078443A1 (en) 2022-03-10
CN115695791A (zh) 2023-02-03
WO2020006969A1 (zh) 2020-01-09
SG11202013202YA (en) 2021-01-28
JP7368396B2 (ja) 2023-10-24
KR20230162152A (ko) 2023-11-28
US11683496B2 (en) 2023-06-20
US11206408B2 (en) 2021-12-21
EP3809704A1 (en) 2021-04-21
US20230370607A1 (en) 2023-11-16
CN115733974A (zh) 2023-03-03
JP2021529483A (ja) 2021-10-28
EP3809704A4 (en) 2021-04-28
BR112020026992A2 (pt) 2021-04-06
JP2023184560A (ja) 2023-12-28
MX2022013781A (es) 2022-11-30

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