SG11202109472RA - Gradient-based prediction refinement for video coding - Google Patents
Gradient-based prediction refinement for video codingInfo
- Publication number
- SG11202109472RA SG11202109472RA SG11202109472RA SG11202109472RA SG 11202109472R A SG11202109472R A SG 11202109472RA SG 11202109472R A SG11202109472R A SG 11202109472RA SG 11202109472R A SG11202109472R A SG 11202109472RA
- Authority
- SG
- Singapore
- Prior art keywords
- gradient
- video coding
- based prediction
- prediction refinement
- refinement
- Prior art date
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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962827677P | 2019-04-01 | 2019-04-01 | |
| US201962837405P | 2019-04-23 | 2019-04-23 | |
| US16/836,013 US11962796B2 (en) | 2019-04-01 | 2020-03-31 | Gradient-based prediction refinement for video coding |
| PCT/US2020/026126 WO2020205942A1 (en) | 2019-04-01 | 2020-04-01 | Gradient-based prediction refinement for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202109472RA true SG11202109472RA (en) | 2021-10-28 |
Family
ID=72605235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202109472R SG11202109472RA (en) | 2019-04-01 | 2020-04-01 | Gradient-based prediction refinement for video coding |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11962796B2 (en) |
| EP (1) | EP3949413A1 (en) |
| JP (1) | JP7463399B2 (en) |
| KR (1) | KR20210138613A (en) |
| CN (1) | CN113940079A (en) |
| BR (1) | BR112021018810A2 (en) |
| SG (1) | SG11202109472RA (en) |
| TW (1) | TW202046721A (en) |
| WO (1) | WO2020205942A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117319681A (en) * | 2019-04-02 | 2023-12-29 | 北京字节跳动网络技术有限公司 | Video coding and decoding based on bidirectional optical flow |
| CN113711609B (en) * | 2019-04-19 | 2023-12-01 | 北京字节跳动网络技术有限公司 | Incremental motion vectors in predictive refinement using optical flow |
| EP3922015A4 (en) | 2019-04-19 | 2022-07-20 | Beijing Bytedance Network Technology Co., Ltd. | Gradient calculation in different motion vector refinements |
| WO2020211866A1 (en) | 2019-04-19 | 2020-10-22 | Beijing Bytedance Network Technology Co., Ltd. | Applicability of prediction refinement with optical flow process |
| US11523109B2 (en) * | 2019-05-02 | 2022-12-06 | Tencent America LLC | Method and apparatus for improvements of affine prof |
| BR112021021669A2 (en) * | 2019-05-16 | 2021-12-21 | Beijing Bytedance Network Tech Co Ltd | Method and apparatus for processing video data, and non-transitory computer-readable storage and recording media |
| TWI768475B (en) * | 2019-09-22 | 2022-06-21 | 寰發股份有限公司 | Method and apparatus of prediction for video data |
| WO2023020590A1 (en) * | 2021-08-19 | 2023-02-23 | Mediatek Inc. | Method and apparatus for hardware-friendly template matching in video coding system |
| KR20230055191A (en) | 2021-10-18 | 2023-04-25 | 현대모비스 주식회사 | Resin molded product having excellent hydrolysis resistance and laser transmission stability, camera module member comprising thereof and electronic component member of automobile comprising the same |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180249172A1 (en) | 2015-09-02 | 2018-08-30 | Mediatek Inc. | Method and apparatus of motion compensation for video coding based on bi prediction optical flow techniques |
| CN115278232A (en) | 2015-11-11 | 2022-11-01 | 三星电子株式会社 | Method for decoding video and method for encoding video |
| WO2017134957A1 (en) * | 2016-02-03 | 2017-08-10 | シャープ株式会社 | 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 |
| US10277895B2 (en) * | 2016-12-28 | 2019-04-30 | 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 (en) * | 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 | Encoding device, decoding device, coding method and decoding method |
| US10477237B2 (en) * | 2017-06-28 | 2019-11-12 | Futurewei Technologies, Inc. | Decoder side motion vector refinement in video coding |
| CN117478884A (en) * | 2017-07-03 | 2024-01-30 | Vid拓展公司 | Apparatus and method for video encoding and decoding |
| CN115174912A (en) * | 2017-07-24 | 2022-10-11 | 艾锐势有限责任公司 | Intra-frame mode JVT compiling method |
| JP2021520710A (en) | 2018-04-06 | 2021-08-19 | ヴィド スケール インコーポレイテッド | Bidirectional optical flow method with simplified gradient derivation |
| 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 KR KR1020217030567A patent/KR20210138613A/en active Search and Examination
- 2020-04-01 JP JP2021557957A patent/JP7463399B2/en active Active
- 2020-04-01 TW TW109111388A patent/TW202046721A/en unknown
- 2020-04-01 BR BR112021018810A patent/BR112021018810A2/en unknown
- 2020-04-01 WO PCT/US2020/026126 patent/WO2020205942A1/en unknown
- 2020-04-01 SG SG11202109472R patent/SG11202109472RA/en unknown
- 2020-04-01 CN CN202080023997.6A patent/CN113940079A/en active Pending
- 2020-04-01 EP EP20722051.8A patent/EP3949413A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20200314443A1 (en) | 2020-10-01 |
| JP2022527194A (en) | 2022-05-31 |
| US11962796B2 (en) | 2024-04-16 |
| WO2020205942A1 (en) | 2020-10-08 |
| EP3949413A1 (en) | 2022-02-09 |
| BR112021018810A2 (en) | 2021-11-23 |
| KR20210138613A (en) | 2021-11-19 |
| JP7463399B2 (en) | 2024-04-08 |
| CN113940079A (en) | 2022-01-14 |
| TW202046721A (en) | 2020-12-16 |
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