MX2021010779A - Derivacion de vector de movimiento en codificacion y decodificacion de video. - Google Patents

Derivacion de vector de movimiento en codificacion y decodificacion de video.

Info

Publication number
MX2021010779A
MX2021010779A MX2021010779A MX2021010779A MX2021010779A MX 2021010779 A MX2021010779 A MX 2021010779A MX 2021010779 A MX2021010779 A MX 2021010779A MX 2021010779 A MX2021010779 A MX 2021010779A MX 2021010779 A MX2021010779 A MX 2021010779A
Authority
MX
Mexico
Prior art keywords
motion vector
decoding
video encoding
vector derivation
vector refinement
Prior art date
Application number
MX2021010779A
Other languages
English (en)
Inventor
Philippe Bordes
Franck GALPIN
Fabrice Urban
Original Assignee
Interdigital Vc Holdings France
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 Interdigital Vc Holdings France filed Critical Interdigital Vc Holdings France
Publication of MX2021010779A publication Critical patent/MX2021010779A/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
    • H04N19/50—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
    • H04N19/10—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
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • 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
    • 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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

El procesamiento de video puede involucrar codificar y/o decodificar una imagen con base en la determinación de una activación de un modo de procesamiento que involucra un proceso de refinamiento de vector de movimiento y un segundo proceso diferente al proceso de refinamiento de vector de movimiento; modificar el proceso de refinamiento de vector de movimiento con base en la activación y el segundo proceso; y la codificación y/o decodificación de la imagen con base en el proceso de refinamiento de vector de movimiento modificado y el segundo proceso.
MX2021010779A 2019-03-08 2020-03-06 Derivacion de vector de movimiento en codificacion y decodificacion de video. MX2021010779A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19305272 2019-03-08
PCT/IB2020/000290 WO2020183243A1 (en) 2019-03-08 2020-03-06 Motion vector derivation in video encoding and decoding

Publications (1)

Publication Number Publication Date
MX2021010779A true MX2021010779A (es) 2021-09-30

Family

ID=67437147

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021010779A MX2021010779A (es) 2019-03-08 2020-03-06 Derivacion de vector de movimiento en codificacion y decodificacion de video.

Country Status (6)

Country Link
US (2) US11930184B2 (es)
EP (1) EP3935852A1 (es)
JP (1) JP2022521893A (es)
CN (1) CN113615196A (es)
MX (1) MX2021010779A (es)
WO (1) WO2020183243A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113545081B (zh) * 2019-03-14 2024-05-31 寰发股份有限公司 视频编解码系统中的处理视频数据的方法以及装置
WO2021006617A1 (ko) * 2019-07-08 2021-01-14 현대자동차주식회사 인터 예측을 이용하여 비디오를 부호화 및 복호화하는 방법 및 장치
CN115956256A (zh) * 2020-06-09 2023-04-11 交互数字Vc控股法国有限公司 作为平面扫描体的替代方案的局部光场流
US20240007615A1 (en) * 2022-07-04 2024-01-04 Alibaba (China) Co., Ltd. Deriving bi-prediction with coding unit-level weight indices for merge candidates

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10333547B2 (en) * 2012-08-13 2019-06-25 Gurologic Microsystems Oy Encoder and method for encoding input data using a plurality of different transformations or combinations of transformations
US10511835B2 (en) * 2015-09-02 2019-12-17 Mediatek Inc. Method and apparatus of decoder side motion derivation for video coding
EP3264769A1 (en) * 2016-06-30 2018-01-03 Thomson Licensing Method and apparatus for video coding with automatic motion information refinement
CN110140355B (zh) 2016-12-27 2022-03-08 联发科技股份有限公司 用于视频编解码的双向模板运动向量微调的方法及装置
US10701366B2 (en) * 2017-02-21 2020-06-30 Qualcomm Incorporated Deriving motion vector information at a video decoder
US10477237B2 (en) 2017-06-28 2019-11-12 Futurewei Technologies, Inc. Decoder side motion vector refinement in video coding
WO2020084473A1 (en) * 2018-10-22 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Multi- iteration motion vector refinement
CN112868240B (zh) * 2018-10-23 2023-06-30 北京字节跳动网络技术有限公司 并置的局部照明补偿和修改的帧间预测编解码

Also Published As

Publication number Publication date
US20240171750A1 (en) 2024-05-23
CN113615196A (zh) 2021-11-05
JP2022521893A (ja) 2022-04-13
WO2020183243A1 (en) 2020-09-17
EP3935852A1 (en) 2022-01-12
US11930184B2 (en) 2024-03-12
US20220116621A1 (en) 2022-04-14

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