KR102453806B1 - 광 흐름을 이용한 예측 개선 방법 및 장치 - Google Patents
광 흐름을 이용한 예측 개선 방법 및 장치 Download PDFInfo
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- KR102453806B1 KR102453806B1 KR1020227004521A KR20227004521A KR102453806B1 KR 102453806 B1 KR102453806 B1 KR 102453806B1 KR 1020227004521 A KR1020227004521 A KR 1020227004521A KR 20227004521 A KR20227004521 A KR 20227004521A KR 102453806 B1 KR102453806 B1 KR 102453806B1
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020227034882A KR102942293B1 (ko) | 2019-07-10 | 2020-07-10 | 광 흐름을 이용한 예측 개선 방법 및 장치 |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962872700P | 2019-07-10 | 2019-07-10 | |
| US62/872,700 | 2019-07-10 | ||
| US201962873837P | 2019-07-12 | 2019-07-12 | |
| US62/873,837 | 2019-07-12 | ||
| PCT/US2020/041701 WO2021007557A1 (en) | 2019-07-10 | 2020-07-10 | Methods and apparatus on prediction refinement with optical flow |
Related Child Applications (1)
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Publications (2)
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| KR20220025205A KR20220025205A (ko) | 2022-03-03 |
| KR102453806B1 true KR102453806B1 (ko) | 2022-10-11 |
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| KR1020227034882A Active KR102942293B1 (ko) | 2019-07-10 | 2020-07-10 | 광 흐름을 이용한 예측 개선 방법 및 장치 |
| KR1020267008275A Pending KR20260042316A (ko) | 2019-07-10 | 2020-07-10 | 광 흐름을 이용한 예측 개선 방법 및 장치 |
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| KR1020227034882A Active KR102942293B1 (ko) | 2019-07-10 | 2020-07-10 | 광 흐름을 이용한 예측 개선 방법 및 장치 |
| KR1020267008275A Pending KR20260042316A (ko) | 2019-07-10 | 2020-07-10 | 광 흐름을 이용한 예측 개선 방법 및 장치 |
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| WO (1) | WO2021007557A1 (enExample) |
Families Citing this family (7)
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| JP2021052225A (ja) | 2019-09-20 | 2021-04-01 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| CN119450036B (zh) * | 2019-09-24 | 2025-10-14 | Oppo广东移动通信有限公司 | 用于基于子画面的图像编码/解码的方法和装置及发送比特流的方法 |
| JP2021052389A (ja) * | 2020-08-21 | 2021-04-01 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| US20220201313A1 (en) * | 2020-12-22 | 2022-06-23 | Qualcomm Incorporated | Bi-directional optical flow in video coding |
| US11949863B2 (en) * | 2021-08-02 | 2024-04-02 | Tencent America LLC | Geometric partition mode with intra block copy |
| US20250211783A1 (en) * | 2022-03-21 | 2025-06-26 | Wilus Institute Of Standards And Technology Inc. | Video signal processing method based on template matching, and device therefor |
| WO2025002275A1 (en) * | 2023-06-29 | 2025-01-02 | Douyin Vision Co., Ltd. | Method, apparatus, and medium for video processing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019117640A1 (ko) * | 2017-12-14 | 2019-06-20 | 엘지전자 주식회사 | 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치 |
Family Cites Families (11)
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| KR20170026334A (ko) * | 2014-07-06 | 2017-03-08 | 엘지전자 주식회사 | 비디오 신호의 처리 방법 및 이를 위한 장치 |
| 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 |
| KR102638991B1 (ko) * | 2016-03-24 | 2024-02-21 | 엘지전자 주식회사 | 비디오 코딩 시스템에서 인터 예측 방법 및 장치 |
| KR102873107B1 (ko) * | 2016-04-25 | 2025-10-17 | 엘지전자 주식회사 | 영상 코딩 시스템에서 인터 예측 방법 및 장치 |
| WO2018048265A1 (ko) * | 2016-09-11 | 2018-03-15 | 엘지전자 주식회사 | 향상된 옵티컬 플로우 움직임 백터를 이용하여 비디오 신호를 처리하는 방법 및 장치 |
| 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 |
| EP3649780B1 (en) * | 2017-07-03 | 2025-06-25 | InterDigital VC Holdings, Inc. | Motion-compensation prediction based on bi-directional optical flow |
| US11303898B2 (en) * | 2019-04-03 | 2022-04-12 | Mediatek Inc. | Coding transform coefficients with throughput constraints |
| US11985330B2 (en) * | 2019-04-12 | 2024-05-14 | Hfi Innovation Inc. | Method and apparatus of simplified affine subblock process for video coding system |
| WO2021001220A1 (en) * | 2019-07-01 | 2021-01-07 | Interdigital Vc Holdings France, Sas | Bi-directional optical flow refinement of affine motion compensation |
-
2020
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2023
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019117640A1 (ko) * | 2017-12-14 | 2019-06-20 | 엘지전자 주식회사 | 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치 |
Non-Patent Citations (1)
| Title |
|---|
| Xiaoyu Xiu, et. al, "CE4-related: Prediction sample padding unification for BDOF and PROF", Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 15th Meeting, 2019.07.12,* |
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| CN114342378A (zh) | 2022-04-12 |
| JP7813753B2 (ja) | 2026-02-13 |
| KR102942293B1 (ko) | 2026-03-19 |
| CN115002454B (zh) | 2024-11-15 |
| CN115002454A (zh) | 2022-09-02 |
| MX2025007807A (es) | 2025-08-01 |
| US20240430438A1 (en) | 2024-12-26 |
| MX2022000395A (es) | 2022-04-06 |
| JP2022531629A (ja) | 2022-07-07 |
| EP3991431A1 (en) | 2022-05-04 |
| JP2023089253A (ja) | 2023-06-27 |
| JP2023159292A (ja) | 2023-10-31 |
| EP3991431A4 (en) | 2022-09-28 |
| US20220132138A1 (en) | 2022-04-28 |
| MX2025007806A (es) | 2025-08-01 |
| MX2025007805A (es) | 2025-08-01 |
| JP7813752B2 (ja) | 2026-02-13 |
| JP7763805B2 (ja) | 2025-11-04 |
| JP7313533B2 (ja) | 2023-07-24 |
| KR20220025205A (ko) | 2022-03-03 |
| JP2023164968A (ja) | 2023-11-14 |
| EP4554217A3 (en) | 2025-06-25 |
| WO2021007557A1 (en) | 2021-01-14 |
| US12132910B2 (en) | 2024-10-29 |
| JP2025172820A (ja) | 2025-11-26 |
| EP4554217A2 (en) | 2025-05-14 |
| KR20220140047A (ko) | 2022-10-17 |
| US12593048B2 (en) | 2026-03-31 |
| KR20260042316A (ko) | 2026-03-30 |
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