PH12022550382A1 - Harmonized early termination in bdof and dmvr in video coding - Google Patents
Harmonized early termination in bdof and dmvr in video codingInfo
- Publication number
- PH12022550382A1 PH12022550382A1 PH1/2022/550382A PH12022550382A PH12022550382A1 PH 12022550382 A1 PH12022550382 A1 PH 12022550382A1 PH 12022550382 A PH12022550382 A PH 12022550382A PH 12022550382 A1 PH12022550382 A1 PH 12022550382A1
- Authority
- PH
- Philippines
- Prior art keywords
- video coding
- bdof
- picture
- current
- dmvr
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 abstract 1
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
- H04N19/172—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 picture, frame or field
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
-
- 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
- H04N19/537—Motion estimation other than block-based
-
- 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
- H04N19/557—Motion estimation characterised by stopping computation or iteration based on certain criteria, e.g. error magnitude being too large or early exit
-
- 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
- H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962904528P | 2019-09-23 | 2019-09-23 | |
| US17/028,599 US20210092427A1 (en) | 2019-09-23 | 2020-09-22 | Harmonized early termination in bdof and dmvr in video coding |
| PCT/US2020/052238 WO2021061787A1 (en) | 2019-09-23 | 2020-09-23 | Harmonized early termination in bdof and dmvr in video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PH12022550382A1 true PH12022550382A1 (en) | 2023-12-04 |
Family
ID=74881397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PH1/2022/550382A PH12022550382A1 (en) | 2019-09-23 | 2020-09-23 | Harmonized early termination in bdof and dmvr in video coding |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20210092427A1 (OSRAM) |
| EP (1) | EP4035380A1 (OSRAM) |
| JP (1) | JP2022548142A (OSRAM) |
| KR (1) | KR20220062521A (OSRAM) |
| CN (1) | CN114402608A (OSRAM) |
| CA (1) | CA3150772A1 (OSRAM) |
| MX (1) | MX2022003404A (OSRAM) |
| PH (1) | PH12022550382A1 (OSRAM) |
| TW (1) | TW202114426A (OSRAM) |
| WO (1) | WO2021061787A1 (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116684637B (zh) * | 2019-04-25 | 2024-03-01 | 北京达佳互联信息技术有限公司 | 对视频数据编码的利用光流的预测细化方法、设备和介质 |
| JP2024540760A (ja) * | 2021-11-30 | 2024-11-01 | ベイジン、ターチア、インターネット、インフォメーション、テクノロジー、カンパニー、リミテッド | ビデオ符号化における境界外条件を考慮した動き補償 |
| WO2023114362A1 (en) * | 2021-12-16 | 2023-06-22 | Beijing Dajia Internet Information Technology Co., Ltd. | Methods and devices for candidate derivation for affine merge mode in video coding |
| US12368879B2 (en) | 2022-03-25 | 2025-07-22 | Tencent America LLC | Method and apparatus adaptive constraint on bi-prediction for out-of-boundary conditions |
| WO2024061363A1 (en) * | 2022-09-22 | 2024-03-28 | Mediatek Inc. | Method and apparatus for video coding |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11330284B2 (en) * | 2015-03-27 | 2022-05-10 | Qualcomm Incorporated | Deriving motion information for sub-blocks in video coding |
| US11638027B2 (en) * | 2016-08-08 | 2023-04-25 | Hfi Innovation, Inc. | Pattern-based motion vector derivation for video coding |
| WO2018113658A1 (en) * | 2016-12-22 | 2018-06-28 | Mediatek Inc. | Method and apparatus of motion refinement for video coding |
| US10491917B2 (en) * | 2017-03-22 | 2019-11-26 | Qualcomm Incorporated | Decoder-side motion vector derivation |
| WO2020052654A1 (en) * | 2018-09-13 | 2020-03-19 | Huawei Technologies Co., Ltd. | Apparatus and method for conditional decoder-side motion vector refinement in video coding |
| CN118118658A (zh) * | 2019-03-22 | 2024-05-31 | 罗斯德尔动力有限责任公司 | 基于dmvr和bdof的帧间预测方法及其设备 |
-
2020
- 2020-09-22 US US17/028,599 patent/US20210092427A1/en not_active Abandoned
- 2020-09-23 JP JP2022516743A patent/JP2022548142A/ja active Pending
- 2020-09-23 KR KR1020227008289A patent/KR20220062521A/ko not_active Ceased
- 2020-09-23 TW TW109132875A patent/TW202114426A/zh unknown
- 2020-09-23 WO PCT/US2020/052238 patent/WO2021061787A1/en not_active Ceased
- 2020-09-23 CA CA3150772A patent/CA3150772A1/en active Pending
- 2020-09-23 CN CN202080064947.2A patent/CN114402608A/zh active Pending
- 2020-09-23 EP EP20789335.5A patent/EP4035380A1/en not_active Withdrawn
- 2020-09-23 PH PH1/2022/550382A patent/PH12022550382A1/en unknown
- 2020-09-23 MX MX2022003404A patent/MX2022003404A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP2022548142A (ja) | 2022-11-16 |
| CA3150772A1 (en) | 2021-04-01 |
| TW202114426A (zh) | 2021-04-01 |
| US20210092427A1 (en) | 2021-03-25 |
| MX2022003404A (es) | 2022-04-18 |
| KR20220062521A (ko) | 2022-05-17 |
| CN114402608A (zh) | 2022-04-26 |
| EP4035380A1 (en) | 2022-08-03 |
| WO2021061787A1 (en) | 2021-04-01 |
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