PL3941060T3 - Sposób i urządzenie inter-predykcji oparte na dmvr i bdof - Google Patents

Sposób i urządzenie inter-predykcji oparte na dmvr i bdof

Info

Publication number
PL3941060T3
PL3941060T3 PL20769451.4T PL20769451T PL3941060T3 PL 3941060 T3 PL3941060 T3 PL 3941060T3 PL 20769451 T PL20769451 T PL 20769451T PL 3941060 T3 PL3941060 T3 PL 3941060T3
Authority
PL
Poland
Prior art keywords
bdof
dmvr
inter
device based
prediction method
Prior art date
Application number
PL20769451.4T
Other languages
English (en)
Inventor
Naeri PARK
Junghak NAM
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 PL3941060T3 publication Critical patent/PL3941060T3/pl

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
    • 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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial 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
    • H04N19/132—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
    • 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
    • H04N19/10—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
    • 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
    • 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
    • H04N19/523—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

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)
PL20769451.4T 2019-03-12 2020-02-11 Sposób i urządzenie inter-predykcji oparte na dmvr i bdof PL3941060T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962817504P 2019-03-12 2019-03-12
PCT/KR2020/001860 WO2020184847A1 (ko) 2019-03-12 2020-02-11 Dmvr 및 bdof 기반의 인터 예측 방법 및 장치

Publications (1)

Publication Number Publication Date
PL3941060T3 true PL3941060T3 (pl) 2023-12-27

Family

ID=72427946

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20769451.4T PL3941060T3 (pl) 2019-03-12 2020-02-11 Sposób i urządzenie inter-predykcji oparte na dmvr i bdof

Country Status (10)

Country Link
US (3) US11496743B2 (pl)
EP (2) EP4274229A1 (pl)
KR (1) KR20210114061A (pl)
ES (1) ES2957801T3 (pl)
FI (1) FI3941060T3 (pl)
HR (1) HRP20231053T1 (pl)
HU (1) HUE062990T2 (pl)
PL (1) PL3941060T3 (pl)
SI (1) SI3941060T1 (pl)
WO (1) WO2020184847A1 (pl)

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* Cited by examiner, † Cited by third party
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CN116156200A (zh) * 2016-07-14 2023-05-23 三星电子株式会社 视频解码方法及其装置以及视频编码方法及其装置
EP3922028A4 (en) * 2019-03-08 2022-08-10 Beijing Dajia Internet Information Technology Co., Ltd. BIDIRECTIONAL OPTICAL FLOW AND DECODER-SIDE MOTION VECTOR REFINEMENT FOR VIDEO ENCODING
ES2957801T3 (es) * 2019-03-12 2024-01-25 Lg Electronics Inc Método y dispositivo de inter predicción basándose en DMVR y BDOF
KR102644969B1 (ko) * 2019-06-24 2024-03-08 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
CN113613003B (zh) * 2021-08-30 2024-03-22 北京市商汤科技开发有限公司 视频压缩、解压缩方法及装置、电子设备和存储介质

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EP2534841B1 (en) 2010-04-22 2017-11-29 HFI Innovation Inc. Motion vector prediction method
US10958927B2 (en) * 2015-03-27 2021-03-23 Qualcomm Incorporated Motion information derivation mode determination in video coding
US10375413B2 (en) 2015-09-28 2019-08-06 Qualcomm Incorporated Bi-directional optical flow for video coding
WO2017188566A1 (ko) * 2016-04-25 2017-11-02 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측 방법 및 장치
US10523949B2 (en) * 2016-05-25 2019-12-31 Arris Enterprises Llc Weighted angular prediction for intra coding
US11638027B2 (en) * 2016-08-08 2023-04-25 Hfi Innovation, Inc. Pattern-based motion vector derivation for video coding
US10931969B2 (en) * 2017-01-04 2021-02-23 Qualcomm Incorporated Motion vector reconstructions for bi-directional optical flow (BIO)
US10595035B2 (en) 2017-03-22 2020-03-17 Qualcomm Incorporated Constraining motion vector information derived by decoder-side motion vector derivation
CN116847086A (zh) * 2017-05-17 2023-10-03 株式会社Kt 对图像解码的方法以及存储压缩视频数据的装置
US10477237B2 (en) 2017-06-28 2019-11-12 Futurewei Technologies, Inc. Decoder side motion vector refinement in video coding
US11310526B2 (en) * 2018-01-26 2022-04-19 Mediatek Inc. Hardware friendly constrained motion vector refinement
EP3777159A1 (en) * 2018-04-06 2021-02-17 VID SCALE, Inc. A bi-directional optical flow method with simplified gradient derivation
WO2019234671A1 (en) * 2018-06-07 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Improved pmmvd
US11516490B2 (en) * 2018-07-16 2022-11-29 Lg Electronics Inc. Method and device for inter predicting on basis of DMVR
CN112930684B (zh) * 2018-08-17 2023-10-13 寰发股份有限公司 在视频编解码系统中利用双向预测处理视频的方法、设备
CN112913240A (zh) * 2018-10-22 2021-06-04 北京字节跳动网络技术有限公司 解码器侧运动矢量推导和其他编解码工具之间的并置
US11153590B2 (en) * 2019-01-11 2021-10-19 Tencent America LLC Method and apparatus for video coding
JP7293369B2 (ja) * 2019-02-14 2023-06-19 エルジー エレクトロニクス インコーポレイティド Ｄｍｖｒ基盤のインター予測方法及び装置
CN118200548A (zh) * 2019-02-24 2024-06-14 Lg 电子株式会社 基于dmvr的帧间预测方法和设备
US11178414B2 (en) * 2019-02-27 2021-11-16 Mediatek Inc. Classification for multiple merge tools
CN113475072B (zh) * 2019-03-04 2023-12-15 北京字节跳动网络技术有限公司 视频处理中滤波信息的信令
US11206425B2 (en) * 2019-03-11 2021-12-21 Alibaba Group Holding Limited Inter prediction methods for coding video data
ES2957801T3 (es) * 2019-03-12 2024-01-25 Lg Electronics Inc Método y dispositivo de inter predicción basándose en DMVR y BDOF
WO2020197083A1 (ko) * 2019-03-22 2020-10-01 엘지전자 주식회사 Dmvr 및 bdof 기반의 인터 예측 방법 및 장치
US11140409B2 (en) * 2019-03-22 2021-10-05 Lg Electronics Inc. DMVR and BDOF based inter prediction method and apparatus thereof

Also Published As

Publication number Publication date
HRP20231053T1 (hr) 2024-02-02
FI3941060T3 (fi) 2023-10-02
US11936878B2 (en) 2024-03-19
ES2957801T3 (es) 2024-01-25
US20220070466A1 (en) 2022-03-03
KR20210114061A (ko) 2021-09-17
EP3941060A1 (en) 2022-01-19
HUE062990T2 (hu) 2023-12-28
EP3941060A4 (en) 2022-07-06
SI3941060T1 (sl) 2024-02-29
US11496743B2 (en) 2022-11-08
US20240187605A1 (en) 2024-06-06
EP3941060B1 (en) 2023-08-30
EP4274229A1 (en) 2023-11-08
US20230045157A1 (en) 2023-02-09
WO2020184847A1 (ko) 2020-09-17

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