KR102951570B1 - 비디오 코딩을 위한 그래디언트 기반 예측 정세화 - Google Patents
비디오 코딩을 위한 그래디언트 기반 예측 정세화Info
- 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
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
- H04N19/537—Motion estimation other than block-based
- H04N19/543—Motion estimation other than block-based using regions
-
- 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
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
- H04N19/42—Methods 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
- H04N19/43—Hardware specially adapted for motion estimation or compensation
-
- 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
- H04N19/50—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)
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)
| 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)
| 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)
| 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 |
-
2020
- 2020-03-31 US US16/836,013 patent/US11962796B2/en active Active
- 2020-04-01 TW TW109111388A patent/TWI856085B/zh active
- 2020-04-01 KR KR1020217030567A patent/KR102951570B1/ko active Active
- 2020-04-01 BR BR112021018810A patent/BR112021018810A2/pt unknown
- 2020-04-01 CN CN202080023997.6A patent/CN113940079B/zh active Active
- 2020-04-01 SG SG11202109472R patent/SG11202109472RA/en unknown
- 2020-04-01 JP JP2021557957A patent/JP7463399B2/ja active Active
- 2020-04-01 EP EP20722051.8A patent/EP3949413A1/en active Pending
- 2020-04-01 WO PCT/US2020/026126 patent/WO2020205942A1/en not_active Ceased
Patent Citations (1)
| 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)
| 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) |