MX2021015524A - Metodo y dispositivo de codificacion de imagenes usando diferencias de vectores de movimiento. - Google Patents

Metodo y dispositivo de codificacion de imagenes usando diferencias de vectores de movimiento.

Info

Publication number
MX2021015524A
MX2021015524A MX2021015524A MX2021015524A MX2021015524A MX 2021015524 A MX2021015524 A MX 2021015524A MX 2021015524 A MX2021015524 A MX 2021015524A MX 2021015524 A MX2021015524 A MX 2021015524A MX 2021015524 A MX2021015524 A MX 2021015524A
Authority
MX
Mexico
Prior art keywords
motion vector
vector differences
prediction
image coding
inter prediction
Prior art date
Application number
MX2021015524A
Other languages
English (en)
Inventor
Junghak Nam
Naeri Park
Hyeongmoon Jang
Original Assignee
Lg Electronics Inc
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 Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of MX2021015524A publication Critical patent/MX2021015524A/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
    • H04N19/50—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
    • 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
    • H04N19/10—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/132—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
    • H04N19/134—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
    • 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
    • H04N19/513—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
    • H04N19/573—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
    • H04N19/50—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
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

De acuerdo con modalidades del presente documento, se puede llevar a cabo un procedimiento de predicción para la codificación de imágenes/video, y el procedimiento de predicción puede incluir diferencias de vector de movimiento simétrico (SMVD) y diferencias de vector de movimiento de modo de fusión (MMVD) de acuerdo con una inter predicción. La inter predicción puede llevarse a cabo sobre la base de imágenes de referencia de una imagen actual, y los tipos (por ejemplo, una imagen de referencia a largo plazo, una imagen de referencia a corto plazo, etc.) de las imágenes de referencia pueden considerarse para la inter predicción. Por lo tanto, se puede mejorar el rendimiento y la eficiencia de codificación en el procedimiento de predicción.
MX2021015524A 2019-06-14 2020-06-15 Metodo y dispositivo de codificacion de imagenes usando diferencias de vectores de movimiento. MX2021015524A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962861982P 2019-06-14 2019-06-14
PCT/KR2020/007718 WO2020251324A1 (ko) 2019-06-14 2020-06-15 움직임 벡터 차분들을 이용한 영상 코딩 방법 및 장치

Publications (1)

Publication Number Publication Date
MX2021015524A true MX2021015524A (es) 2022-02-03

Family

ID=73781850

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021015524A MX2021015524A (es) 2019-06-14 2020-06-15 Metodo y dispositivo de codificacion de imagenes usando diferencias de vectores de movimiento.

Country Status (10)

Country Link
US (2) US11523119B2 (es)
EP (1) EP3979650A4 (es)
JP (2) JP7331153B2 (es)
KR (2) KR102679217B1 (es)
CN (1) CN114051726A (es)
AU (2) AU2020292097B2 (es)
BR (1) BR112021025044A2 (es)
CA (1) CA3143556A1 (es)
MX (1) MX2021015524A (es)
WO (1) WO2020251324A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7335365B2 (ja) * 2019-06-24 2023-08-29 エルジー エレクトロニクス インコーポレイティド 動きベクトル差分を利用した映像コーディング方法及び装置
WO2023043962A1 (en) * 2021-09-15 2023-03-23 Tencent America LLC Method and apparatus for improved signaling of motion vector difference
US20240031594A1 (en) * 2022-07-20 2024-01-25 Tencent America LLC Method and apparatus for inter prediction mode dependent scaling factors

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120016991A (ko) 2010-08-17 2012-02-27 오수미 인터 프리딕션 방법
US8755437B2 (en) 2011-03-17 2014-06-17 Mediatek Inc. Method and apparatus for derivation of spatial motion vector candidate and motion vector prediction candidate
HUE048403T2 (hu) 2011-03-21 2020-07-28 Lg Electronics Inc Eljárás mozgásvektor-prediktor kiválasztására, és ezt használó berendezés
EP2916553A3 (en) 2011-11-08 2015-10-14 Samsung Electronics Co., Ltd Method and apparatus for motion vector determination in video encoding or decoding
US10200709B2 (en) 2012-03-16 2019-02-05 Qualcomm Incorporated High-level syntax extensions for high efficiency video coding
US10616607B2 (en) * 2013-02-25 2020-04-07 Lg Electronics Inc. Method for encoding video of multi-layer structure supporting scalability and method for decoding same and apparatus therefor
CN112188207B (zh) * 2014-10-31 2023-10-20 三星电子株式会社 使用高精度跳过编码的视频编码设备和视频解码设备及其方法
CN107113424B (zh) * 2014-11-18 2019-11-22 联发科技股份有限公司 以帧间预测模式编码的块的视频编码和解码方法
US10554968B2 (en) 2015-06-10 2020-02-04 Lg Electronics Inc. Method and apparatus for inter prediction on basis of virtual reference picture in video coding system
US10575011B2 (en) * 2015-09-24 2020-02-25 Lg Electronics Inc. Inter prediction method and apparatus in image coding system
EP3357245A4 (en) 2015-11-05 2019-03-13 MediaTek Inc. METHOD AND DEVICE OF INTERPRESSATION USING AN AVERAGE MOTION VECTOR FOR VIDEO CODING
WO2017147765A1 (en) 2016-03-01 2017-09-08 Mediatek Inc. Methods for affine motion compensation
KR102448635B1 (ko) * 2016-09-30 2022-09-27 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 인코딩 방법, 비디오 디코딩 방법, 및 단말
US10701391B2 (en) * 2017-03-23 2020-06-30 Qualcomm Incorporated Motion vector difference (MVD) prediction
EP3900343A1 (en) 2018-12-21 2021-10-27 VID SCALE, Inc. Symmetric motion vector difference coding
KR20230018540A (ko) 2019-02-20 2023-02-07 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 비디오 코딩에서 장기 참조 픽처에 대한 제한받는 움직임 벡터 도출
CN113767637B (zh) 2019-04-28 2023-09-22 北京字节跳动网络技术有限公司 对称运动矢量差编解码
WO2020221256A1 (en) 2019-04-28 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Symmetric motion vector difference coding

Also Published As

Publication number Publication date
WO2020251324A1 (ko) 2020-12-17
JP2023138751A (ja) 2023-10-02
US20220124344A1 (en) 2022-04-21
EP3979650A1 (en) 2022-04-06
US20230082083A1 (en) 2023-03-16
JP2022538800A (ja) 2022-09-06
US11523119B2 (en) 2022-12-06
AU2020292097A1 (en) 2022-02-10
CA3143556A1 (en) 2020-12-17
KR20240005165A (ko) 2024-01-11
KR102679217B1 (ko) 2024-06-27
CN114051726A (zh) 2022-02-15
KR102618366B1 (ko) 2023-12-27
AU2024201368A1 (en) 2024-03-21
JP7331153B2 (ja) 2023-08-22
BR112021025044A2 (pt) 2022-02-01
EP3979650A4 (en) 2023-04-12
JP7513814B2 (ja) 2024-07-09
KR20210157403A (ko) 2021-12-28
AU2020292097B2 (en) 2023-11-30

Similar Documents

Publication Publication Date Title
MX2021015524A (es) Metodo y dispositivo de codificacion de imagenes usando diferencias de vectores de movimiento.
MX2023000074A (es) Metodo de decodificacion de video y dispositivo para ello y metodo de codificacion de video y dispositivo para ello.
MX2021003682A (es) Metodo de codificacion de imagen a base de historial, y aparato del mismo.
EP4307681A3 (en) Interaction between intra block copy mode and inter prediction tools
MX2021001670A (es) Metodo de inter-prediccion basado en el vector de movimiento basado en el historial, y dispositivo para el mismo.
EP4325849A3 (en) Coordination method for sub-block based inter prediction
PH12021550689A1 (en) Video picture prediction method and apparatus
MX2021001745A (es) Gestión de imágenes de referencia en codificación de video.
MX2020006250A (es) Método y dispositivo para decodificar iimágen de conformidad con la inter-predicción en el sistema de codificación de imágen.
MY164251A (en) Border pixel padding for intra prediction in video coding
CN107071440B (zh) 使用先前帧残差的运动矢量预测
MX2009003888A (es) Metodo y aparato de codificacion y decodificacion de imagen de multiples vistas.
MX2021003048A (es) Aparato y método para refinamiento condicional de vector de movimiento de lado de decodificador en codificación de vídeo.
MX2021010127A (es) Método y aparato para inter predicción basada en afin de subbloques de crominancia.
WO2019209444A3 (en) Method and apparatus for video coding
ZA202200289B (en) Virtual prediction buffer for intra block copy in video coding
MX2022000834A (es) Dispositivo y metodo para la codificacion de datos de video.
MX2020008235A (es) Codificador, decodificador, metodo de codificacion y metodo de decodificacion.
KR20210125086A (ko) 선형 모델을 사용한 인트라 예측을 위한 방법 및 장치
WO2019236362A3 (en) Method and apparatus for sub-block based temporal motion vector prediction
WO2018063566A1 (en) Method and system of video coding using projected motion vectors
KR20230048107A (ko) 오디오 믹싱을 위한 방법 및 장치
MX2021010704A (es) Metodo y aparato de codificacion/decodificacion de imagenes.
PH12020551544A1 (en) Bidirectional inter prediction method and apparatus
MX2021007465A (es) Metodos y aparatos de codificacion de video para derivar vectores de movimiento afines para componentes croma.