KR102952914B1 - 병합 모드를 위한 예측 가중치를 결정하는 방법, 디바이스, 및 시스템 - Google Patents

병합 모드를 위한 예측 가중치를 결정하는 방법, 디바이스, 및 시스템

Info

Publication number
KR102952914B1
KR102952914B1 KR1020217032611A KR20217032611A KR102952914B1 KR 102952914 B1 KR102952914 B1 KR 102952914B1 KR 1020217032611 A KR1020217032611 A KR 1020217032611A KR 20217032611 A KR20217032611 A KR 20217032611A KR 102952914 B1 KR102952914 B1 KR 102952914B1
Authority
KR
South Korea
Prior art keywords
sub
weight
block
control points
weights
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
KR1020217032611A
Other languages
English (en)
Korean (ko)
Other versions
KR20210129721A (ko
Inventor
지에 첸
룰링 랴오
얀 예
Original Assignee
알리바바 이노베이션 프라이빗 리미티드
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 알리바바 이노베이션 프라이빗 리미티드 filed Critical 알리바바 이노베이션 프라이빗 리미티드
Publication of KR20210129721A publication Critical patent/KR20210129721A/ko
Application granted granted Critical
Publication of KR102952914B1 publication Critical patent/KR102952914B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/102—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
    • H04N19/169—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
    • H04N19/50—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
    • 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
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/577—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)
KR1020217032611A 2019-03-11 2020-02-28 병합 모드를 위한 예측 가중치를 결정하는 방법, 디바이스, 및 시스템 Active KR102952914B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962816879P 2019-03-11 2019-03-11
US62/816,879 2019-03-11
PCT/US2020/020483 WO2020185429A1 (en) 2019-03-11 2020-02-28 Method, device, and system for determining prediction weight for merge mode

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020267011164A Division KR20260053417A (ko) 2019-03-11 2020-02-28 병합 모드를 위한 예측 가중치를 결정하는 방법, 디바이스, 및 시스템

Publications (2)

Publication Number Publication Date
KR20210129721A KR20210129721A (ko) 2021-10-28
KR102952914B1 true KR102952914B1 (ko) 2026-04-15

Family

ID=72424206

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217032611A Active KR102952914B1 (ko) 2019-03-11 2020-02-28 병합 모드를 위한 예측 가중치를 결정하는 방법, 디바이스, 및 시스템

Country Status (7)

Country Link
US (3) US11394999B2 (https=)
EP (2) EP3939262A4 (https=)
JP (1) JP7650806B2 (https=)
KR (1) KR102952914B1 (https=)
CN (2) CN113748673B (https=)
TW (2) TWI904683B (https=)
WO (1) WO2020185429A1 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3744094A4 (en) * 2018-01-26 2021-11-03 MediaTek Inc. METHOD AND DEVICE FOR AFFINE INTER-PREDICTION FOR A VIDEO ENCODING SYSTEM
GB2588004B (en) 2018-06-05 2023-03-01 Beijing Bytedance Network Tech Co Ltd Interaction between IBC and affine
WO2019244119A1 (en) 2018-06-21 2019-12-26 Beijing Bytedance Network Technology Co., Ltd. Sub-block mv inheritance between color components
WO2019244117A1 (en) 2018-06-21 2019-12-26 Beijing Bytedance Network Technology Co., Ltd. Unified constrains for the merge affine mode and the non-merge affine mode
CN110944193B (zh) 2018-09-24 2023-08-11 北京字节跳动网络技术有限公司 视频编码和解码中的加权双向预测
WO2020094151A1 (en) 2018-11-10 2020-05-14 Beijing Bytedance Network Technology Co., Ltd. Rounding in pairwise average candidate calculations
CN113170187A (zh) * 2018-12-13 2021-07-23 北京达佳互联信息技术有限公司 导出构造的仿射合并候选的方法
US11394999B2 (en) * 2019-03-11 2022-07-19 Alibaba Group Holding Limited Method, device, and system for determining prediction weight for merge mode
EP3923583A4 (en) * 2019-03-12 2022-04-27 LG Electronics Inc. VIDEO OR IMAGE CODING TO GENERATE WEIGHT INDEX INFORMATION FOR BI PREDICTION
CN119697388A (zh) * 2019-06-14 2025-03-25 Lg电子株式会社 解码和编码设备及发送用于图像的数据的设备
CN120128716A (zh) * 2019-06-24 2025-06-10 Lg电子株式会社 图像解码和编码方法及发送用于图像的数据的方法
EP4508854A4 (en) * 2022-04-12 2026-03-18 Beijing Bytedance Network Tech Co Ltd METHOD, APPARATUS AND VIDEO PROCESSING MEDIUM
US12489886B2 (en) * 2022-07-04 2025-12-02 Alibaba (China) Co., Ltd. Deriving bi-prediction with coding unit-level weight indices for merge candidates

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017197146A1 (en) * 2016-05-13 2017-11-16 Vid Scale, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG10201900632SA (en) * 2015-03-10 2019-02-27 Huawei Tech Co Ltd Picture prediction method and related apparatus
WO2017147765A1 (en) * 2016-03-01 2017-09-08 Mediatek Inc. Methods for affine motion compensation
US10448010B2 (en) * 2016-10-05 2019-10-15 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding
US10341659B2 (en) * 2016-10-05 2019-07-02 Qualcomm Incorporated Systems and methods of switching interpolation filters
WO2018097692A2 (ko) * 2016-11-28 2018-05-31 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10555006B2 (en) * 2016-12-22 2020-02-04 Qualcomm Incorporated Deriving bilateral filter information based on a prediction mode in video coding
US10701390B2 (en) * 2017-03-14 2020-06-30 Qualcomm Incorporated Affine motion information derivation
US20180332298A1 (en) * 2017-05-10 2018-11-15 Futurewei Technologies, Inc. Bidirectional Prediction In Video Compression
JP7261750B2 (ja) * 2017-06-26 2023-04-20 インターデジタル ヴイシー ホールディングス， インコーポレイテッド 動き補償のための複数の予測子候補
US11184636B2 (en) * 2017-06-28 2021-11-23 Sharp Kabushiki Kaisha Video encoding device and video decoding device
TWI777907B (zh) * 2017-07-13 2022-09-11 美商松下電器（美國）知識產權公司 編碼裝置、編碼方法、解碼裝置、解碼方法及電腦可讀取之非暫時性媒體
EP3499882A1 (en) * 2017-12-13 2019-06-19 Industrial Technology Research Institute Method and image processing apparatus for video coding
US11140398B2 (en) * 2018-08-20 2021-10-05 Mediatek Inc. Methods and apparatus for generating affine candidates
CN110944207B (zh) * 2018-09-23 2023-12-08 北京字节跳动网络技术有限公司 仿射模型的表示
CN111357294B (zh) * 2018-10-23 2022-12-30 北京字节跳动网络技术有限公司 基于子块的运动信息列表的简化熵编解码
WO2020094079A1 (en) * 2018-11-06 2020-05-14 Beijing Bytedance Network Technology Co., Ltd. Block size dependent storage of motion information
WO2020098782A1 (en) * 2018-11-16 2020-05-22 Beijing Bytedance Network Technology Co., Ltd. Weights in combined inter intra prediction mode
EP3716626A4 (en) * 2018-12-12 2021-05-19 LG Electronics Inc. Method and device for processing video signal on basis of history-based motion vector prediction
US10855992B2 (en) * 2018-12-20 2020-12-01 Alibaba Group Holding Limited On block level bi-prediction with weighted averaging
US11102476B2 (en) * 2018-12-28 2021-08-24 Qualcomm Incorporated Subblock based affine motion model
US11153590B2 (en) * 2019-01-11 2021-10-19 Tencent America LLC Method and apparatus for video coding
CN113302918B (zh) * 2019-01-15 2025-01-17 北京字节跳动网络技术有限公司 视频编解码中的加权预测
US11025936B2 (en) * 2019-01-25 2021-06-01 Tencent America LLC Method and apparatus for video coding
US11909960B2 (en) * 2019-03-07 2024-02-20 Lg Electronics Inc. Method and apparatus for processing video signal
US11394999B2 (en) * 2019-03-11 2022-07-19 Alibaba Group Holding Limited Method, device, and system for determining prediction weight for merge mode

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017197146A1 (en) * 2016-05-13 2017-11-16 Vid Scale, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
B. Bross et al.,"Versatile Video Coding (Draft 4)", JVET-M1001-v6 (2019.03.09.) 1부.*
J. Chen et al.,"Algorithm description for Versatile Video Coding and Test Model 4 (VTM 4)", JVET-L1002-v1 (2019.02.16.) 1부.*

Also Published As

Publication number Publication date
TW202044830A (zh) 2020-12-01
US11394999B2 (en) 2022-07-19
US20250184525A1 (en) 2025-06-05
KR20210129721A (ko) 2021-10-28
TWI846835B (zh) 2024-07-01
JP2022523350A (ja) 2022-04-22
EP4243417A3 (en) 2023-11-15
EP4243417A2 (en) 2023-09-13
US20200296415A1 (en) 2020-09-17
TWI904683B (zh) 2025-11-11
CN118660155A (zh) 2024-09-17
JP2025100547A (ja) 2025-07-03
US12250399B2 (en) 2025-03-11
CN113748673B (zh) 2024-07-05
CN113748673A (zh) 2021-12-03
EP3939262A1 (en) 2022-01-19
WO2020185429A1 (en) 2020-09-17
US20220345741A1 (en) 2022-10-27
JP7650806B2 (ja) 2025-03-25
TW202435608A (zh) 2024-09-01
WO2020185429A8 (en) 2021-11-04
EP3939262A4 (en) 2022-11-09

Similar Documents

Publication Publication Date Title
KR102952914B1 (ko) 병합 모드를 위한 예측 가중치를 결정하는 방법, 디바이스, 및 시스템
KR102889176B1 (ko) 히스토리 기반 모션 벡터 예측자에 대한 개선들
US11057636B2 (en) Affine motion prediction
US10595035B2 (en) Constraining motion vector information derived by decoder-side motion vector derivation
US10721489B2 (en) Geometry-based priority for the construction of candidate lists
US11582475B2 (en) History-based motion vector prediction
US11206425B2 (en) Inter prediction methods for coding video data
KR20220064970A (ko) 벡터 클리핑을 이용한 아핀 코딩
JP7834783B2 (ja) デコーダ側動きベクトル精緻化のための適応バイラテラルマッチング
JP7691529B2 (ja) ビデオコーディングにおけるアフィン動き補償のための双方向マッチングによる動き精緻化
KR20260053417A (ko) 병합 모드를 위한 예측 가중치를 결정하는 방법, 디바이스, 및 시스템
CA3053479C (en) Constraining motion vector information derived by decoder-side motion vector derivation
TW202606294A (zh) 處理視訊資料的方法、視訊處理設備和儲存位元流的非暫時性電腦可讀媒體

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

D13-X000 Search requested

St.27 status event code: A-1-2-D10-D13-srh-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D22-EXM-PE0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R11-asn-PN2301

R11 Change to the name of applicant or owner or transfer of ownership requested

Free format text: ST27 STATUS EVENT CODE: A-3-3-R10-R11-ASN-PN2301 (AS PROVIDED BY THE NATIONAL OFFICE)

A16 Divisional, continuation or continuation in part application filed

Free format text: ST27 STATUS EVENT CODE: A-0-1-A10-A16-DIV-PA0104 (AS PROVIDED BY THE NATIONAL OFFICE)

PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A16-div-PA0104

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

U12 Designation fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U12-OTH-PR1002 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

Q13 Ip right document published

Free format text: ST27 STATUS EVENT CODE: A-4-4-Q10-Q13-NAP-PG1601 (AS PROVIDED BY THE NATIONAL OFFICE)