MX2022000395A - Métodos y aparatos en refinamiento de predicción con flujo óptico. - Google Patents
Métodos y aparatos en refinamiento de predicción con flujo óptico.Info
- Publication number
- MX2022000395A MX2022000395A MX2022000395A MX2022000395A MX2022000395A MX 2022000395 A MX2022000395 A MX 2022000395A MX 2022000395 A MX2022000395 A MX 2022000395A MX 2022000395 A MX2022000395 A MX 2022000395A MX 2022000395 A MX2022000395 A MX 2022000395A
- Authority
- MX
- Mexico
- Prior art keywords
- obtaining
- video
- prediction samples
- samples
- video block
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 abstract 2
Classifications
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- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
-
- 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
- H04N19/10—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
- H04N19/103—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
- H04N19/102—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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
- H04N19/176—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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962872700P | 2019-07-10 | 2019-07-10 | |
| US201962873837P | 2019-07-12 | 2019-07-12 | |
| PCT/US2020/041701 WO2021007557A1 (en) | 2019-07-10 | 2020-07-10 | Methods and apparatus on prediction refinement with optical flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2022000395A true MX2022000395A (es) | 2022-04-06 |
Family
ID=74115339
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2022000395A MX2022000395A (es) | 2019-07-10 | 2020-07-10 | Métodos y aparatos en refinamiento de predicción con flujo óptico. |
| MX2025007805A MX2025007805A (es) | 2019-07-10 | 2022-01-07 | Metodos y aparatos en refinamiento de prediccion con flujo optico |
| MX2025007807A MX2025007807A (es) | 2019-07-10 | 2022-01-07 | Metodos y aparatos en refinamiento de prediccion con flujo optico |
| MX2025007806A MX2025007806A (es) | 2019-07-10 | 2022-01-07 | Metodos y aparatos en refinamiento de prediccion con flujo optico |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2025007805A MX2025007805A (es) | 2019-07-10 | 2022-01-07 | Metodos y aparatos en refinamiento de prediccion con flujo optico |
| MX2025007807A MX2025007807A (es) | 2019-07-10 | 2022-01-07 | Metodos y aparatos en refinamiento de prediccion con flujo optico |
| MX2025007806A MX2025007806A (es) | 2019-07-10 | 2022-01-07 | Metodos y aparatos en refinamiento de prediccion con flujo optico |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US12132910B2 (enExample) |
| EP (2) | EP4554217A3 (enExample) |
| JP (5) | JP7313533B2 (enExample) |
| KR (3) | KR102453806B1 (enExample) |
| CN (2) | CN114342378A (enExample) |
| MX (4) | MX2022000395A (enExample) |
| WO (1) | WO2021007557A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR102638336B1 (ko) | 2017-12-14 | 2024-02-19 | 엘지전자 주식회사 | 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치 |
| 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
- 2020-07-10 MX MX2022000395A patent/MX2022000395A/es unknown
- 2020-07-10 KR KR1020227004521A patent/KR102453806B1/ko active Active
- 2020-07-10 EP EP25168088.0A patent/EP4554217A3/en active Pending
- 2020-07-10 JP JP2022501055A patent/JP7313533B2/ja active Active
- 2020-07-10 KR KR1020227034882A patent/KR102942293B1/ko active Active
- 2020-07-10 KR KR1020267008275A patent/KR20260042316A/ko active Pending
- 2020-07-10 CN CN202080059396.0A patent/CN114342378A/zh active Pending
- 2020-07-10 WO PCT/US2020/041701 patent/WO2021007557A1/en not_active Ceased
- 2020-07-10 EP EP20837212.8A patent/EP3991431A4/en not_active Ceased
- 2020-07-10 CN CN202210578295.5A patent/CN115002454B/zh active Active
-
2022
- 2022-01-07 MX MX2025007805A patent/MX2025007805A/es unknown
- 2022-01-07 MX MX2025007807A patent/MX2025007807A/es unknown
- 2022-01-07 MX MX2025007806A patent/MX2025007806A/es unknown
- 2022-01-07 US US17/571,434 patent/US12132910B2/en active Active
-
2023
- 2023-04-20 JP JP2023069637A patent/JP7763805B2/ja active Active
- 2023-08-21 JP JP2023134199A patent/JP7813752B2/ja active Active
- 2023-09-06 JP JP2023144689A patent/JP7813753B2/ja active Active
-
2024
- 2024-09-04 US US18/824,118 patent/US12593048B2/en active Active
-
2025
- 2025-08-25 JP JP2025139847A patent/JP2025172820A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| 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 |
| KR102453806B1 (ko) | 2022-10-11 |
| MX2025007807A (es) | 2025-08-01 |
| US20240430438A1 (en) | 2024-12-26 |
| 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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