JPWO2020198497A5 - - Google Patents
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- JPWO2020198497A5 JPWO2020198497A5 JP2021557372A JP2021557372A JPWO2020198497A5 JP WO2020198497 A5 JPWO2020198497 A5 JP WO2020198497A5 JP 2021557372 A JP2021557372 A JP 2021557372A JP 2021557372 A JP2021557372 A JP 2021557372A JP WO2020198497 A5 JPWO2020198497 A5 JP WO2020198497A5
- Authority
- JP
- Japan
- Prior art keywords
- motion vector
- sbs
- motion
- pixel
- determining
- 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.)
- Granted
Links
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 claims 27
- 238000000034 method Methods 0.000 claims 21
- 238000009795 derivation Methods 0.000 claims 4
- 238000012417 linear regression Methods 0.000 claims 4
- 230000003287 optical effect Effects 0.000 claims 4
- 238000000611 regression analysis Methods 0.000 claims 4
- 241000023320 Luma <angiosperm> Species 0.000 claims 2
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 claims 2
- 238000007670 refining Methods 0.000 claims 2
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962823935P | 2019-03-26 | 2019-03-26 | |
| US62/823,935 | 2019-03-26 | ||
| PCT/US2020/024996 WO2020198497A1 (en) | 2019-03-26 | 2020-03-26 | Methods and apparatus for prediction refinement for decoder side motion vector refinement with optical flow |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| JP2022526943A JP2022526943A (ja) | 2022-05-27 |
| JP2022526943A5 JP2022526943A5 (https=) | 2023-04-05 |
| JPWO2020198497A5 true JPWO2020198497A5 (https=) | 2023-04-05 |
| JP7553460B2 JP7553460B2 (ja) | 2024-09-18 |
Family
ID=70286029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021557372A Active JP7553460B2 (ja) | 2019-03-26 | 2020-03-26 | オプティカルフローによるデコーダ側動きベクトル精緻化についての予測精緻化のための方法および装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12341969B2 (https=) |
| EP (1) | EP3949416A1 (https=) |
| JP (1) | JP7553460B2 (https=) |
| CN (1) | CN113826400A (https=) |
| WO (1) | WO2020198497A1 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240236332A1 (en) * | 2021-06-30 | 2024-07-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Overlapped decoder side motion refinement |
| US12388977B2 (en) * | 2022-04-25 | 2025-08-12 | Tencent America LLC | Affine models use in affine bilateral matching |
| CN119744532A (zh) * | 2022-08-23 | 2025-04-01 | 三星电子株式会社 | 图像解码方法和设备以及图像编码方法和设备 |
| US12445640B2 (en) * | 2022-09-29 | 2025-10-14 | Qualcomm Incorporated | Methods of subblock skipping for affine motion search for video coding |
| US12563198B2 (en) * | 2022-10-11 | 2026-02-24 | Qualcomm Incorporated | Regression-based decoder side affine motion derivation for video coding |
| CA3266823A1 (en) * | 2022-10-11 | 2024-04-18 | Qualcomm Incorporated | Decoder-side affine motion derivation based on regression for video encoding |
| IL326134A (en) * | 2023-10-06 | 2026-03-01 | Qualcomm Inc | Using local illumination compensation and delta motion vector enhancement together in video encoding |
| CN117593211B (zh) * | 2023-12-15 | 2024-09-24 | 书行科技(北京)有限公司 | 视频处理方法、装置、电子设备及存储介质 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8363721B2 (en) * | 2009-03-26 | 2013-01-29 | Cisco Technology, Inc. | Reference picture prediction for video coding |
| SG10201900632SA (en) | 2015-03-10 | 2019-02-27 | Huawei Tech Co Ltd | Picture prediction method and related apparatus |
| PL3414900T3 (pl) | 2016-03-15 | 2025-10-27 | Hfi Innovation Inc. | Sposób oraz urządzenie do kodowania wideo z afiniczną kompensacją ruchu |
| US10560712B2 (en) | 2016-05-16 | 2020-02-11 | Qualcomm Incorporated | Affine motion prediction for video coding |
| US10523964B2 (en) * | 2017-03-13 | 2019-12-31 | Qualcomm Incorporated | Inter prediction refinement based on bi-directional optical flow (BIO) |
| US10701390B2 (en) | 2017-03-14 | 2020-06-30 | Qualcomm Incorporated | Affine motion information derivation |
| WO2018212111A1 (ja) * | 2017-05-19 | 2018-11-22 | 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 |
| 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 |
| EP3422720A1 (en) | 2017-06-26 | 2019-01-02 | Thomson Licensing | Multiple predictor candidates for motion compensation |
| EP4221223A1 (en) * | 2019-02-07 | 2023-08-02 | Vid Scale, Inc. | Systems, apparatus and methods for inter prediction refinement with optical flow |
| US20200296405A1 (en) * | 2019-03-14 | 2020-09-17 | Qualcomm Incorporated | Affine motion compensation refinement using optical flow |
| CN113545083B (zh) | 2019-03-18 | 2023-08-22 | 腾讯美国有限责任公司 | 视频编解码的方法和装置 |
-
2020
- 2020-03-26 CN CN202080036097.5A patent/CN113826400A/zh active Pending
- 2020-03-26 EP EP20719098.4A patent/EP3949416A1/en active Pending
- 2020-03-26 US US17/442,536 patent/US12341969B2/en active Active
- 2020-03-26 JP JP2021557372A patent/JP7553460B2/ja active Active
- 2020-03-26 WO PCT/US2020/024996 patent/WO2020198497A1/en not_active Ceased
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