KR102951570B1 - 비디오 코딩을 위한 그래디언트 기반 예측 정세화 - Google Patents

비디오 코딩을 위한 그래디언트 기반 예측 정세화

Info

Publication number
KR102951570B1
KR102951570B1 KR1020217030567A KR20217030567A KR102951570B1 KR 102951570 B1 KR102951570 B1 KR 102951570B1 KR 1020217030567 A KR1020217030567 A KR 1020217030567A KR 20217030567 A KR20217030567 A KR 20217030567A KR 102951570 B1 KR102951570 B1 KR 102951570B1
Authority
KR
South Korea
Prior art keywords
prediction
horizontal
block
samples
inter
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
KR1020217030567A
Other languages
English (en)
Korean (ko)
Other versions
KR20210138613A (ko
Inventor
한 황
웨이-정 치엔
마르타 카르체비츠
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20210138613A publication Critical patent/KR20210138613A/ko
Application granted granted Critical
Publication of KR102951570B1 publication Critical patent/KR102951570B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods 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
    • H04N19/537Motion estimation other than block-based
    • H04N19/543Motion estimation other than block-based using regions
    • 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
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/43Hardware specially adapted for motion estimation or compensation
    • 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)
KR1020217030567A 2019-04-01 2020-04-01 비디오 코딩을 위한 그래디언트 기반 예측 정세화 Active KR102951570B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962827677P 2019-04-01 2019-04-01
US62/827,677 2019-04-01
US201962837405P 2019-04-23 2019-04-23
US62/837,405 2019-04-23
US16/836,013 US11962796B2 (en) 2019-04-01 2020-03-31 Gradient-based prediction refinement for video coding
US16/836,013 2020-03-31
PCT/US2020/026126 WO2020205942A1 (en) 2019-04-01 2020-04-01 Gradient-based prediction refinement for video coding

Publications (2)

Publication Number Publication Date
KR20210138613A KR20210138613A (ko) 2021-11-19
KR102951570B1 true KR102951570B1 (ko) 2026-04-10

Family

ID=72605235

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217030567A Active KR102951570B1 (ko) 2019-04-01 2020-04-01 비디오 코딩을 위한 그래디언트 기반 예측 정세화

Country Status (9)

Country Link
US (1) US11962796B2 (https=)
EP (1) EP3949413A1 (https=)
JP (1) JP7463399B2 (https=)
KR (1) KR102951570B1 (https=)
CN (1) CN113940079B (https=)
BR (1) BR112021018810A2 (https=)
SG (1) SG11202109472RA (https=)
TW (1) TWI856085B (https=)
WO (1) WO2020205942A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113728651B (zh) * 2019-04-02 2022-10-25 北京字节跳动网络技术有限公司 视频处理中的自适应环路滤波
WO2020211866A1 (en) 2019-04-19 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Applicability of prediction refinement with optical flow process
CN113711609B (zh) * 2019-04-19 2023-12-01 北京字节跳动网络技术有限公司 利用光流的预测细化过程中的增量运动矢量
CN113728626B (zh) 2019-04-19 2023-05-30 北京字节跳动网络技术有限公司 不同运动矢量细化中的基于区域的梯度计算
US11523109B2 (en) 2019-05-02 2022-12-06 Tencent America LLC Method and apparatus for improvements of affine prof
JP7431253B2 (ja) * 2019-05-16 2024-02-14 北京字節跳動網絡技術有限公司 動き情報精緻化のサブ領域に基づいた決定
US11317088B2 (en) * 2019-05-17 2022-04-26 Qualcomm Incorporated Gradient-based prediction refinement for video coding
CN114503557B (zh) * 2019-09-22 2025-09-16 寰发股份有限公司 视频数据预测方法和装置
CN118435601A (zh) * 2021-08-19 2024-08-02 联发科技股份有限公司 视频编解码系统中硬件友好的模板匹配方法和装置
KR20230055191A (ko) 2021-10-18 2023-04-25 현대모비스 주식회사 내가수분해성 및 레이저 투과 안정성이 우수한 수지 성형품, 이를 포함하는 카메라 모듈 부재 및 자동차 전장 부품 부재
WO2025148982A1 (en) * 2024-01-09 2025-07-17 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9325991B2 (en) * 2012-04-11 2016-04-26 Qualcomm Incorporated Motion vector rounding
US10110895B2 (en) * 2013-12-13 2018-10-23 Qualcomm Incorporated Signaling of simplified depth coding (SDC) for depth intra- and inter-prediction modes in 3D video coding
JP2018533871A (ja) 2015-11-11 2018-11-15 サムスン エレクトロニクス カンパニー リミテッド ビデオ復号方法及びその装置、並びにビデオ符号化方法及びその装置
EP3413563B1 (en) * 2016-02-03 2026-02-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Moving image decoding device, moving image encoding device, and prediction image generation device
US10694204B2 (en) * 2016-05-06 2020-06-23 Vid Scale, Inc. Systems and methods for motion compensated residual prediction
US10560712B2 (en) * 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
WO2018125972A1 (en) * 2016-12-28 2018-07-05 Arris Enterprises Llc Adaptive unequal weight planar prediction
US10701366B2 (en) 2017-02-21 2020-06-30 Qualcomm Incorporated Deriving motion vector information at a video decoder
JP7036628B2 (ja) * 2017-03-10 2022-03-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
US10904565B2 (en) * 2017-06-23 2021-01-26 Qualcomm Incorporated Memory-bandwidth-efficient design for bi-directional optical flow (BIO)
US10477237B2 (en) * 2017-06-28 2019-11-12 Futurewei Technologies, Inc. Decoder side motion vector refinement in video coding
JP7168593B2 (ja) * 2017-07-03 2022-11-09 ヴィド スケール インコーポレイテッド 双方向オプティカルフローに基づいた動き補償予測
EP3643065A1 (en) * 2017-07-24 2020-04-29 ARRIS Enterprises LLC Intra mode jvet coding
JP2021520710A (ja) * 2018-04-06 2021-08-19 ヴィド スケール インコーポレイテッド 簡易化された勾配導出による双方向オプティカルフロー方法
US10986343B2 (en) * 2018-04-15 2021-04-20 Arris Enterprises Llc Reducing overhead for multiple-hypothesis temporal prediction
US11317088B2 (en) 2019-05-17 2022-04-26 Qualcomm Incorporated Gradient-based prediction refinement for video coding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
J. Chen et al.,"Algorithm Description of Joint Exploration Test Model 7 (JEM 7)", JVET-G1001-v1 (2017.07.13.) 1부.*

Also Published As

Publication number Publication date
JP2022527194A (ja) 2022-05-31
JP7463399B2 (ja) 2024-04-08
EP3949413A1 (en) 2022-02-09
TW202046721A (zh) 2020-12-16
BR112021018810A2 (pt) 2021-11-23
WO2020205942A1 (en) 2020-10-08
KR20210138613A (ko) 2021-11-19
US11962796B2 (en) 2024-04-16
CN113940079A (zh) 2022-01-14
US20200314443A1 (en) 2020-10-01
SG11202109472RA (en) 2021-10-28
CN113940079B (zh) 2025-06-17
TWI856085B (zh) 2024-09-21

Similar Documents

Publication Publication Date Title
KR102951570B1 (ko) 비디오 코딩을 위한 그래디언트 기반 예측 정세화
KR102950979B1 (ko) 비디오 코딩을 위한 삼각형 모션 정보
WO2020061490A1 (en) History-based motion vector prediction for affine mode
CN113950839B (zh) 用于视频译码的基于梯度的预测精化
CN112673636B (zh) 将运动向量取整以自适应运动向量差分辨率及提高视频译码中的运动向量存储精度
CN113748679A (zh) 用于视频编解码的帧内块复制合并数据语法
CN113892264B (zh) 使用非矩形预测模式来减少用于视频数据预测的运动场存储
EP3939306A1 (en) Coefficient domain block differential pulse-code modulation in video coding
CN114402620B (zh) 用于视频编解码的交叉分量自适应环路滤波的比特移位
WO2019199953A1 (en) Decoder-side motion vector derivation for video coding
CN113632483B (zh) 用于视频编解码的受约束的仿射运动继承
CN113940078B (zh) 用于视频编解码中的双向光流计算的简化的方法和设备
EP3861747A1 (en) Simplification of spatial-temporal motion vector prediction
CN111602395A (zh) 用于视频译码的量化组
WO2020118247A1 (en) Derivation of spatial-temporal motion vectors prediction in video coding
EP4035380A1 (en) Harmonized early termination in bdof and dmvr in video coding
CN113994674A (zh) 增加经帧内译码的块的解码吞吐
EP4646846A1 (en) Template matching for flipped intra block copy
WO2024148066A1 (en) Template matching for flipped intra block copy
HK40062582A (en) Gradient-based prediction refinement for video coding
HK40063011A (en) Gradient-based prediction refinement for video coding
HK40046177A (en) Rounding of motion vectors for adaptive motion vector difference resolution and increased motion vector storage precision in video coding

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

A201 Request for examination
D18-X000 Deferred examination requested

St.27 status event code: A-1-2-D10-D18-exm-X000

D19-X000 Deferred examination accepted

St.27 status event code: A-1-2-D10-D19-exm-X000

PA0201 Request for examination

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

D20-X000 Deferred examination resumed

St.27 status event code: A-1-2-D10-D20-exm-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

E13 Pre-grant limitation requested

Free format text: ST27 STATUS EVENT CODE: A-2-3-E10-E13-LIM-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

E13-X000 Pre-grant limitation requested

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

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P11-X000 Amendment of application requested

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

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

F11 Ip right granted following substantive examination

Free format text: ST27 STATUS EVENT CODE: A-2-4-F10-F11-EXM-PR0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

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)