PL3913921T3 - Sposób i urządzenie do predykcji międzyramkowej na podstawie dmvr - Google Patents

Sposób i urządzenie do predykcji międzyramkowej na podstawie dmvr

Info

Publication number
PL3913921T3
PL3913921T3 PL20759829.3T PL20759829T PL3913921T3 PL 3913921 T3 PL3913921 T3 PL 3913921T3 PL 20759829 T PL20759829 T PL 20759829T PL 3913921 T3 PL3913921 T3 PL 3913921T3
Authority
PL
Poland
Prior art keywords
dmvr
inter
frame prediction
prediction based
frame
Prior art date
Application number
PL20759829.3T
Other languages
English (en)
Inventor
Naeri PARK
Junghak NAM
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 PL3913921T3 publication Critical patent/PL3913921T3/pl

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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)
PL20759829.3T 2019-02-24 2020-02-07 Sposób i urządzenie do predykcji międzyramkowej na podstawie dmvr PL3913921T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962809722P 2019-02-24 2019-02-24
PCT/KR2020/001785 WO2020171444A1 (ko) 2019-02-24 2020-02-07 Dmvr 기반의 인터 예측 방법 및 장치

Publications (1)

Publication Number Publication Date
PL3913921T3 true PL3913921T3 (pl) 2025-01-20

Family

ID=72144372

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20759829.3T PL3913921T3 (pl) 2019-02-24 2020-02-07 Sposób i urządzenie do predykcji międzyramkowej na podstawie dmvr

Country Status (13)

Country Link
US (4) US11627323B2 (pl)
EP (3) EP4718841A2 (pl)
JP (4) JP7425079B2 (pl)
KR (2) KR102783514B1 (pl)
CN (5) CN118175304A (pl)
ES (1) ES2993149T3 (pl)
FI (1) FI3913921T3 (pl)
HR (1) HRP20241566T1 (pl)
HU (1) HUE069501T2 (pl)
MX (3) MX2021010158A (pl)
PL (1) PL3913921T3 (pl)
SI (1) SI3913921T1 (pl)
WO (1) WO2020171444A1 (pl)

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EP3922028B1 (en) * 2019-03-08 2025-09-03 Beijing Dajia Internet Information Technology Co., Ltd. Bi-directional optical flow and decoder-side motion vector refinement for video coding
PL4274229T3 (pl) * 2019-03-12 2025-04-07 Lg Electronics Inc. Sposób i urządzenie do predykcji międzyramkowej oparte na dmvr i bdof
KR102501210B1 (ko) 2019-03-12 2023-02-17 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 결합된 인터 및 인트라-예측 모드의 제한되고 조정된 적용
JP7590337B2 (ja) * 2019-03-20 2024-11-26 ホアウェイ・テクノロジーズ・カンパニー・リミテッド アフィンコーディングされたブロックに対するオプティカルフローを用いた予測洗練化のための方法および装置
EP3944623A4 (en) * 2019-03-22 2022-06-08 LG Electronics Inc. METHOD AND DEVICE FOR DMVR-BASED INTERPREDICTION
CN115941970B (zh) * 2019-06-17 2024-02-20 北京达佳互联信息技术有限公司 用于视频编解码中的解码器侧运动矢量细化的方法和装置
CN112135141A (zh) * 2019-06-24 2020-12-25 华为技术有限公司 视频编码器、视频解码器及相应方法
US11223840B2 (en) * 2019-08-19 2022-01-11 Tencent America LLC Method and apparatus for video coding
US11917165B2 (en) * 2021-08-16 2024-02-27 Tencent America LLC MMVD signaling improvement
US11805245B2 (en) * 2021-08-16 2023-10-31 Mediatek Inc. Latency reduction for reordering prediction candidates
US12542906B2 (en) 2021-10-01 2026-02-03 Lg Electronics Inc. Method and device for image coding based on decoder-side motion vector refinement
CN118679744A (zh) * 2022-01-05 2024-09-20 抖音视界有限公司 用于视频处理的方法、装置和介质
US12160564B2 (en) * 2022-04-11 2024-12-03 Tencent America LLC Bilateral matching with affine motion
US12413745B2 (en) * 2022-04-12 2025-09-09 Qualcomm Incorporated Bi-directional prediction boundary pixel padding with out-of-picture-boundary motion vectors
US12568241B2 (en) * 2023-02-10 2026-03-03 Tencent America LLC Bi-prediction with CU level weight (BCW)
US12363314B1 (en) * 2023-07-21 2025-07-15 Zoom Communications, Inc. Constructing motion vector candidates list for video coding

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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WO2011129672A2 (ko) * 2010-04-16 2011-10-20 에스케이텔레콤 주식회사 영상 부호화/복호화 장치 및 방법
US11638027B2 (en) * 2016-08-08 2023-04-25 Hfi Innovation, Inc. Pattern-based motion vector derivation for video coding
WO2018174618A1 (ko) * 2017-03-22 2018-09-27 한국전자통신연구원 참조 블록을 사용하는 예측 방법 및 장치
US10477237B2 (en) * 2017-06-28 2019-11-12 Futurewei Technologies, Inc. Decoder side motion vector refinement in video coding
CN111436227B (zh) * 2018-11-12 2024-03-29 北京字节跳动网络技术有限公司 在视频处理中使用组合帧间-帧内预测
JP7182000B2 (ja) * 2018-11-16 2022-12-01 北京字節跳動網絡技術有限公司 インター-イントラ複合予測モードにおける重み
WO2020141816A1 (ko) * 2018-12-31 2020-07-09 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN116886925B (zh) * 2019-02-08 2024-11-08 北京达佳互联信息技术有限公司 一种用于视频编码的方法、计算设备和介质
KR102635518B1 (ko) * 2019-03-06 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 변환된 단예측 후보의 사용

Also Published As

Publication number Publication date
JP2022521542A (ja) 2022-04-08
EP4459986B1 (en) 2026-04-01
CN118200547A (zh) 2024-06-14
EP3913921A1 (en) 2021-11-24
CN118175305A (zh) 2024-06-11
US20220224911A1 (en) 2022-07-14
JP7543512B2 (ja) 2024-09-02
MX2024014612A (es) 2025-01-09
HRP20241566T1 (hr) 2025-01-17
SI3913921T1 (sl) 2025-04-30
KR20210111859A (ko) 2021-09-13
WO2020171444A1 (ko) 2020-08-27
MX2024014611A (es) 2025-01-09
KR102783514B1 (ko) 2025-03-19
HUE069501T2 (hu) 2025-03-28
US20230262229A1 (en) 2023-08-17
CN118175304A (zh) 2024-06-11
US11627323B2 (en) 2023-04-11
CN118200548A (zh) 2024-06-14
JP2026026223A (ja) 2026-02-16
US20250294160A1 (en) 2025-09-18
CN113574891A (zh) 2021-10-29
EP4718841A2 (en) 2026-04-01
US20240291998A1 (en) 2024-08-29
JP2023165935A (ja) 2023-11-17
US12003735B2 (en) 2024-06-04
KR20250041186A (ko) 2025-03-25
JP7783363B2 (ja) 2025-12-09
EP4459986A2 (en) 2024-11-06
JP2024159869A (ja) 2024-11-08
JP7425079B2 (ja) 2024-01-30
US12348733B2 (en) 2025-07-01
EP3913921A4 (en) 2022-03-30
EP4459986A3 (en) 2025-02-12
MX2021010158A (es) 2021-11-12
EP3913921B1 (en) 2024-10-23
CN113574891B (zh) 2024-03-22
ES2993149T3 (en) 2024-12-23
FI3913921T3 (fi) 2024-11-25

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