PL4274229T3 - Sposób i urządzenie do predykcji międzyramkowej oparte na dmvr i bdof - Google Patents

Sposób i urządzenie do predykcji międzyramkowej oparte na dmvr i bdof

Info

Publication number
PL4274229T3
PL4274229T3 PL23186764.9T PL23186764T PL4274229T3 PL 4274229 T3 PL4274229 T3 PL 4274229T3 PL 23186764 T PL23186764 T PL 23186764T PL 4274229 T3 PL4274229 T3 PL 4274229T3
Authority
PL
Poland
Prior art keywords
bdof
dmvr
inter
device based
prediction method
Prior art date
Application number
PL23186764.9T
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 PL4274229T3 publication Critical patent/PL4274229T3/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
    • H04N19/10—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
    • H04N19/50—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
    • H04N19/70—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)
PL23186764.9T 2019-03-12 2020-02-11 Sposób i urządzenie do predykcji międzyramkowej oparte na dmvr i bdof PL4274229T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201962817504P 2019-03-12 2019-03-12

Publications (1)

Publication Number Publication Date
PL4274229T3 true PL4274229T3 (pl) 2025-04-07

Family

ID=72427946

Family Applications (2)

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
PL23186764.9T PL4274229T3 (pl) 2019-03-12 2020-02-11 Sposób i urządzenie do predykcji międzyramkowej oparte na dmvr i bdof

Family Applications Before (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 (11)

Country Link
US (4) US11496743B2 (pl)
EP (3) EP4492790A3 (pl)
KR (2) KR102785322B1 (pl)
ES (2) ES2957801T3 (pl)
FI (1) FI3941060T3 (pl)
HR (2) HRP20250168T1 (pl)
HU (2) HUE062990T2 (pl)
PL (2) PL3941060T3 (pl)
RS (1) RS66495B1 (pl)
SI (1) SI3941060T1 (pl)
WO (1) WO2020184847A1 (pl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230042424A (ko) 2016-07-14 2023-03-28 삼성전자주식회사 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치
WO2020185506A1 (en) * 2019-03-08 2020-09-17 Beijing Dajia Internet Information Technology Co., Ltd. Bi-directional optical flow and decoder-side motion vector refinement for video coding
EP4492790A3 (en) * 2019-03-12 2025-04-16 LG Electronics Inc. Inter-prediction method and device based on dmvr and bdof
CN117221548B (zh) * 2019-06-17 2024-06-25 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
KR102722339B1 (ko) 2019-06-24 2024-10-25 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
US11917165B2 (en) * 2021-08-16 2024-02-27 Tencent America LLC MMVD signaling improvement
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
KR20250129110A (ko) * 2023-01-18 2025-08-28 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 비디오 인코딩 및 디코딩 방법, 장치, 기기, 시스템 및 저장 매체

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2538284C2 (ru) 2010-04-22 2015-01-10 Медиатэк, Инк. Способ предсказания движения
US10200711B2 (en) * 2015-03-27 2019-02-05 Qualcomm Incorporated Motion vector derivation in video coding
US10375413B2 (en) 2015-09-28 2019-08-06 Qualcomm Incorporated Bi-directional optical flow for video coding
US10798385B2 (en) * 2016-04-25 2020-10-06 Lg Electronics Inc. Inter-prediction method and apparatus in image coding system
MX393147B (es) * 2016-05-25 2025-03-24 Arris Entpr Llc Prediccion angular ponderada para intra codificacion.
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
CN116866587A (zh) * 2017-05-17 2023-10-10 株式会社Kt 对视频解码和编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
CN119484836A (zh) * 2018-04-06 2025-02-18 交互数字Vc控股公司 用于视频解码的方法、用于视频编码的方法及其装置
WO2019234676A1 (en) * 2018-06-07 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Mv precision refine
WO2020017840A1 (ko) * 2018-07-16 2020-01-23 엘지전자 주식회사 Dmvr에 기반하여 인터 예측을 수행하는 방법 및 장치
TWI730380B (zh) * 2018-08-17 2021-06-11 聯發科技股份有限公司 在視訊編解碼系統中利用雙向預測處理視訊的方法、設備和可讀介質
CN112913239B (zh) * 2018-10-22 2025-07-08 北京字节跳动网络技术有限公司 基于参考图片的解码器侧运动矢量推导
US11153590B2 (en) * 2019-01-11 2021-10-19 Tencent America LLC Method and apparatus for video coding
WO2020166897A1 (ko) * 2019-02-14 2020-08-20 엘지전자 주식회사 Dmvr 기반의 인터 예측 방법 및 장치
CN113574891B (zh) * 2019-02-24 2024-03-22 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
CN113475074A (zh) * 2019-03-04 2021-10-01 北京字节跳动网络技术有限公司 视频处理中的环路滤波
US11206425B2 (en) * 2019-03-11 2021-12-21 Alibaba Group Holding Limited Inter prediction methods for coding video data
EP4492790A3 (en) * 2019-03-12 2025-04-16 LG Electronics Inc. Inter-prediction method and device based on dmvr and 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
KR20250044936A (ko) 2025-04-01
US20250287011A1 (en) 2025-09-11
KR102785322B1 (ko) 2025-03-25
EP4274229C0 (en) 2025-01-15
EP3941060B1 (en) 2023-08-30
US20240187605A1 (en) 2024-06-06
EP4492790A2 (en) 2025-01-15
EP4274229B1 (en) 2025-01-15
US20220070466A1 (en) 2022-03-03
EP3941060A1 (en) 2022-01-19
SI3941060T1 (sl) 2024-02-29
US11496743B2 (en) 2022-11-08
EP4274229A1 (en) 2023-11-08
HRP20250168T1 (hr) 2025-04-11
HRP20231053T1 (hr) 2024-02-02
HUE071472T2 (hu) 2025-08-28
PL3941060T3 (pl) 2023-12-27
US20230045157A1 (en) 2023-02-09
US11936878B2 (en) 2024-03-19
US12348731B2 (en) 2025-07-01
ES3010265T3 (en) 2025-04-01
RS66495B1 (sr) 2025-03-31
EP3941060A4 (en) 2022-07-06
KR20210114061A (ko) 2021-09-17
HUE062990T2 (hu) 2023-12-28
ES2957801T3 (es) 2024-01-25
WO2020184847A1 (ko) 2020-09-17
EP4492790A3 (en) 2025-04-16
FI3941060T3 (fi) 2023-10-02

Similar Documents

Publication Publication Date Title
SI3913921T1 (sl) Postopek notranjega napovedovanja na podlagi DMVR-ja in naprava
ZA202101843B (en) Communication method and related device
SG11202100206TA (en) Configuration method and device
PL3941060T3 (pl) Sposób i urządzenie inter-predykcji oparte na dmvr i bdof
PL3829212T3 (pl) Sposób i urządzenie do konfigurowania transmisji
HUE062343T2 (hu) Felhordó berendezés és a hozzá tartozó alkalmazási eljárás
ZA202006440B (en) Method and device for communication
PL4072229T3 (pl) Urządzenie bezprzewodowe i realizowany przez nie sposób
PT3751773T (pt) Método e dispositivo de transmissão
SG11202011076TA (en) Communication method and device
SG11202100352YA (en) Interaction method and device
IL287836A (en) Device and method of printing
HUE069384T2 (hu) Kétirányú interpredikciós módszer és eszköz
SG11202104511QA (en) Bandwidth part configuration method and device
GB201821084D0 (en) Device and method
SG11202008602SA (en) Welding device, and welding method employing welding device
GB201818884D0 (en) Forthing device and method thereof
SG11202006391WA (en) Verification-processing device, logic-generating device, and verification-processing method
GB201803169D0 (en) Device and method
SG11202010479PA (en) Alignment device and alignment method
GB2593847B (en) System, device and method
SG11202011206UA (en) Interaction method, device and equipment for operable object
GB2573150B (en) Scanning device, system and method
GB201817593D0 (en) An ATM-requesting-and-accessing system and method
GB201916348D0 (en) Device and method