MX2020006250A - Método y dispositivo para decodificar iimágen de conformidad con la inter-predicción en el sistema de codificación de imágen. - Google Patents

Método y dispositivo para decodificar iimágen de conformidad con la inter-predicción en el sistema de codificación de imágen.

Info

Publication number
MX2020006250A
MX2020006250A MX2020006250A MX2020006250A MX2020006250A MX 2020006250 A MX2020006250 A MX 2020006250A MX 2020006250 A MX2020006250 A MX 2020006250A MX 2020006250 A MX2020006250 A MX 2020006250A MX 2020006250 A MX2020006250 A MX 2020006250A
Authority
MX
Mexico
Prior art keywords
prediction
deriving
current block
inter
coding system
Prior art date
Application number
MX2020006250A
Other languages
English (en)
Inventor
Seunghwan Kim
Jaeho Lee
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 MX2020006250A publication Critical patent/MX2020006250A/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
    • H04N19/513—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
    • H04N19/105—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
    • H04N19/119—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
    • H04N19/134—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
    • H04N19/134—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
    • H04N19/10—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

Landscapes

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

Abstract

La presente invención se refiere a un método de decodificación de imagen realizada por un dispositivo de codificación de conformidad con la presente descripción que comprende: una etapa para derivar lista de fotografía de referencia O (LO) y lista de fotografía de referencia 1 (L1); una etapa para derivar dos vectores de movimiento (MV) para un bloque actual, los dos MVs incluyen MVLO para la LO y MVL1 para la L1; una etapa para determinar sí se aplica la predicción de flujo óptico de bi-predicción (BIO) para derivar los vectores de movimiento refinados por sub-bloques al bloque actual; una etapa para derivar en un vector de movimiento refinado para un sub-bloque del bloque actual con base en la MVLO y MVL1, si la predicción de BIO se aplica al bloque actual; y una etapa para derivar una muestra de predicción con base en el vector de movimiento refinado.
MX2020006250A 2017-12-14 2018-12-13 Método y dispositivo para decodificar iimágen de conformidad con la inter-predicción en el sistema de codificación de imágen. MX2020006250A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762598992P 2017-12-14 2017-12-14
PCT/KR2018/015818 WO2019117640A1 (ko) 2017-12-14 2018-12-13 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치

Publications (1)

Publication Number Publication Date
MX2020006250A true MX2020006250A (es) 2020-09-25

Family

ID=66819384

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2020006250A MX2020006250A (es) 2017-12-14 2018-12-13 Método y dispositivo para decodificar iimágen de conformidad con la inter-predicción en el sistema de codificación de imágen.

Country Status (7)

Country Link
US (2) US11647221B2 (es)
EP (1) EP3713236A4 (es)
JP (2) JP7366901B2 (es)
KR (5) KR20240025058A (es)
CN (1) CN111630859B (es)
MX (1) MX2020006250A (es)
WO (1) WO2019117640A1 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112166608A (zh) * 2018-04-06 2021-01-01 Vid拓展公司 采用简化梯度推导的双向光流方法
CN115842912A (zh) * 2018-08-04 2023-03-24 抖音视界有限公司 不同解码器侧运动矢量推导模式之间的交互
CN111010569B (zh) 2018-10-06 2023-02-28 北京字节跳动网络技术有限公司 Bio中的时间梯度计算的改善
CN113785570A (zh) * 2019-04-03 2021-12-10 Lg 电子株式会社 视频或图像编译方法及其装置
CN113411610B (zh) * 2019-06-21 2022-05-27 杭州海康威视数字技术股份有限公司 一种编解码方法、装置及其设备
WO2020262918A1 (ko) * 2019-06-24 2020-12-30 엘지전자 주식회사 움직임 벡터를 이용한 영상 코딩 방법 및 장치
WO2020258058A1 (zh) * 2019-06-25 2020-12-30 北京大学 视频处理方法、装置和设备
WO2021007557A1 (en) * 2019-07-10 2021-01-14 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus on prediction refinement with optical flow
WO2021040426A1 (ko) 2019-08-31 2021-03-04 엘지전자 주식회사 Prof를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
US20230093043A1 (en) * 2021-09-22 2023-03-23 Tencent America LLC Method and apparatus for adaptive reordering for reference frames
WO2023085704A1 (ko) * 2021-11-09 2023-05-19 삼성전자 주식회사 비디오 복호화 방법, 비디오 복호화 장치, 비디오 부호화 방법, 및 비디오 부호화 장치
WO2023195824A1 (ko) * 2022-04-08 2023-10-12 한국전자통신연구원 영상 부호화/복호화를 위한 방법, 장치 및 기록 매체

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120009861A (ko) 2010-07-22 2012-02-02 에스케이 텔레콤주식회사 확장된 스킵모드를 이용한 영상 부호화/복호화 방법 및 장치
DK2763414T3 (da) 2011-09-29 2020-11-30 Sharp Kk Billedafkodningsindretning og fremgangsmåde til billedafkodning til udførelse af konvertering af bi-forudsigelse til uni-forudsigelse
WO2013047805A1 (ja) 2011-09-29 2013-04-04 シャープ株式会社 画像復号装置、画像復号方法および画像符号化装置
MX2014003992A (es) * 2011-10-19 2014-05-07 Panasonic Corp Metodo de codificacion de imagenes, metodo de decodificacion de imagenes, aparato de codificacion de imagenes, aparato de decodificacion de imagenes y aparato de codificacion y decodificacion de imagenes.
CN107431819B (zh) * 2014-12-31 2022-02-01 诺基亚技术有限公司 用于视频解码的方法、装置、计算机可读存储介质及视频解码器
WO2017036399A1 (en) * 2015-09-02 2017-03-09 Mediatek Inc. Method and apparatus of motion compensation for video coding based on bi prediction optical flow techniques
US10375413B2 (en) * 2015-09-28 2019-08-06 Qualcomm Incorporated Bi-directional optical flow for video coding
CN114466193A (zh) * 2016-03-16 2022-05-10 联发科技股份有限公司 视频编码的样式基础的运动向量推导之方法及装置
WO2017188566A1 (ko) * 2016-04-25 2017-11-02 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측 방법 및 장치
CN105847804B (zh) * 2016-05-18 2017-12-15 信阳师范学院 一种基于稀疏冗余表示模型的视频帧率上转换方法
US10284845B2 (en) * 2016-05-25 2019-05-07 Arris Enterprises Llc JVET quadtree plus binary tree (QTBT) structure with multiple asymmetrical partitioning
US10931969B2 (en) * 2017-01-04 2021-02-23 Qualcomm Incorporated Motion vector reconstructions for bi-directional optical flow (BIO)
US10701366B2 (en) * 2017-02-21 2020-06-30 Qualcomm Incorporated Deriving motion vector information at a video decoder
US11218704B2 (en) * 2017-11-28 2022-01-04 Electronics And Telecommunications Research Institute Image encoding/decoding method and device, and recording medium stored with bitstream

Also Published As

Publication number Publication date
KR20230057473A (ko) 2023-04-28
KR20200078648A (ko) 2020-07-01
KR20210118254A (ko) 2021-09-29
JP2023134651A (ja) 2023-09-27
KR20240025058A (ko) 2024-02-26
KR102523002B1 (ko) 2023-04-18
WO2019117640A1 (ko) 2019-06-20
KR102414180B1 (ko) 2022-06-28
EP3713236A4 (en) 2021-04-21
KR102305966B1 (ko) 2021-09-28
CN111630859A (zh) 2020-09-04
JP7366901B2 (ja) 2023-10-23
US20230239492A1 (en) 2023-07-27
JP2021507589A (ja) 2021-02-22
US20200314444A1 (en) 2020-10-01
US11647221B2 (en) 2023-05-09
EP3713236A1 (en) 2020-09-23
KR20220093394A (ko) 2022-07-05
KR102638336B1 (ko) 2024-02-19
CN111630859B (zh) 2024-04-16

Similar Documents

Publication Publication Date Title
MX2020006250A (es) Método y dispositivo para decodificar iimágen de conformidad con la inter-predicción en el sistema de codificación de imágen.
PH12019500417A1 (en) Motion vector prediction for affine motion models in video coding
MX2021004020A (es) Aparatos y metodos para interprediccion de una particion geometrica de un bloque de codificacion.
PH12019502265A1 (en) Sub-prediction unit temporal motion vector prediction (sub-pu tmvp) for video coding
MX2021001670A (es) Metodo de inter-prediccion basado en el vector de movimiento basado en el historial, y dispositivo para el mismo.
MX2021010158A (es) Metodo y dispositivo de inter-prediccion a base de dmvr.
MX2018002477A (es) Metodo y aparato de derivacion de movimiento de lado de decodificador para codificacion de video.
MX2023000074A (es) Metodo de decodificacion de video y dispositivo para ello y metodo de codificacion de video y dispositivo para ello.
EP4325849A3 (en) Coordination method for sub-block based inter prediction
NZ728527A (en) Unify intra block copy and inter prediction
MX2021005149A (es) Metodo para codificacion/decodifcacion de se?ales de video y aparato para lo mismo.
ZA202202999B (en) Method and device for coding/decoding image using intra prediction
PH12021550689A1 (en) Video picture prediction method and apparatus
MX2021004886A (es) Procedimiento de codificación y decodificación de señal de vídeo y aparato para ello.
NZ775539A (en) A method and an apparatus for determining motion information for a current block, a method and an apparatus for constructing and updating a history-based motion vector predictor list, and non-transitory computer-readable storage medium, and video encoding/decoding methods and apparatus
MX2021003048A (es) Aparato y método para refinamiento condicional de vector de movimiento de lado de decodificador en codificación de vídeo.
MX2021002881A (es) Método de decodificación de imagen basado en predicción de movimiento afín y aparato usando la lista de candidato de mvp afín en el sistema de codificación de imagen.
PH12021550627A1 (en) Image signal encoding/decoding method and device therefor
MX2020012547A (es) Método y aparato para procesar señal de video.
PH12020552273A1 (en) Merge mode-based inter-prediction method and apparatus
EP4262212A3 (en) Image decoding and encoding method by an apparatus based on motion prediction in sub-block unit in image coding system
MX2021007510A (es) Metodo y aparato de derivacion de lista de candidatos del modo de fusion de triangulo simplificado.
MX2021004008A (es) Método de diseño de sintaxis y aparato para realizar codificación usando sintaxis.
MX2019014930A (es) Selección y señalización de precisiones de vector de movimiento (mv).
GB2587984A (en) Method and apparatus for processing video signal