DK3649780T3 - Bevægelseskompenseret forudsigelse baseret på bidirektional optisk strøm - Google Patents
Bevægelseskompenseret forudsigelse baseret på bidirektional optisk strømInfo
- Publication number
- DK3649780T3 DK3649780T3 DK18745759.3T DK18745759T DK3649780T3 DK 3649780 T3 DK3649780 T3 DK 3649780T3 DK 18745759 T DK18745759 T DK 18745759T DK 3649780 T3 DK3649780 T3 DK 3649780T3
- Authority
- DK
- Denmark
- Prior art keywords
- motion
- optical flow
- compensated prediction
- prediction based
- bidirectional optical
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/269—Analysis of motion using gradient-based methods
-
- 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
-
- 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
- H04N19/134—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
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- 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
- 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20021—Dividing image into blocks, subimages or windows
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762528296P | 2017-07-03 | 2017-07-03 | |
| US201762560823P | 2017-09-20 | 2017-09-20 | |
| US201762564598P | 2017-09-28 | 2017-09-28 | |
| US201762579559P | 2017-10-31 | 2017-10-31 | |
| US201762599241P | 2017-12-15 | 2017-12-15 | |
| PCT/US2018/040681 WO2019010156A1 (en) | 2017-07-03 | 2018-07-03 | MOTION COMPENSATION PREDICTION BASED ON A BIDIRECTIONAL OPTICAL FLOW |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK3649780T3 true DK3649780T3 (da) | 2025-08-18 |
Family
ID=64951204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK18745759.3T DK3649780T3 (da) | 2017-07-03 | 2018-07-03 | Bevægelseskompenseret forudsigelse baseret på bidirektional optisk strøm |
Country Status (10)
| Country | Link |
|---|---|
| US (3) | US11363293B2 (da) |
| EP (2) | EP3649780B1 (da) |
| JP (3) | JP7168593B2 (da) |
| KR (2) | KR20240044549A (da) |
| CN (3) | CN110832858B (da) |
| BR (1) | BR112020000032A2 (da) |
| DK (1) | DK3649780T3 (da) |
| HU (1) | HUE072360T2 (da) |
| RU (1) | RU2763042C2 (da) |
| WO (1) | WO2019010156A1 (da) |
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| KR100323683B1 (ko) * | 1998-09-18 | 2002-02-07 | 구자홍 | 움직임 추정을 수행하지 않고 프레임 스킵핑하는 방법 |
| US7369463B1 (en) * | 2000-02-21 | 2008-05-06 | N.V. Organon | Electronic alarm timer for use with a medical regimen |
| EP2661892B1 (en) | 2011-01-07 | 2022-05-18 | Nokia Technologies Oy | Motion prediction in video coding |
| US20150350671A1 (en) | 2013-01-04 | 2015-12-03 | Samsung Electronics Co., Ltd. | Motion compensation method and device for encoding and decoding scalable video |
| EP3340620B1 (en) * | 2015-08-23 | 2024-10-02 | LG Electronics Inc. | Inter prediction mode-based image processing method and apparatus therefor |
| 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 |
| US10375413B2 (en) * | 2015-09-28 | 2019-08-06 | Qualcomm Incorporated | Bi-directional optical flow for video coding |
| EP4661401A3 (en) * | 2016-02-03 | 2026-02-25 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Moving image decoding device, moving image coding device, and prediction image generation device |
| MY201069A (en) * | 2016-02-05 | 2024-02-01 | Hfi Innovation Inc | Method and apparatus of motion compensation based on bi-directional optical flow techniques for video coding |
| CN105847804B (zh) * | 2016-05-18 | 2017-12-15 | 信阳师范学院 | 一种基于稀疏冗余表示模型的视频帧率上转换方法 |
| WO2018113658A1 (en) * | 2016-12-22 | 2018-06-28 | Mediatek Inc. | Method and apparatus of motion refinement for video coding |
| US12063387B2 (en) * | 2017-01-05 | 2024-08-13 | Hfi Innovation Inc. | Decoder-side motion vector restoration for video coding |
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| WO2018166357A1 (en) * | 2017-03-16 | 2018-09-20 | Mediatek Inc. | Method and apparatus of motion refinement based on bi-directional optical flow for video coding |
| US10595035B2 (en) * | 2017-03-22 | 2020-03-17 | Qualcomm Incorporated | Constraining motion vector information derived by decoder-side motion vector derivation |
| EP3649780B1 (en) * | 2017-07-03 | 2025-06-25 | InterDigital VC Holdings, Inc. | Motion-compensation prediction based on bi-directional optical flow |
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| JP2025090700A (ja) | 2025-06-17 |
| KR20240044549A (ko) | 2024-04-04 |
| CN110832858A (zh) | 2020-02-21 |
| KR20200033228A (ko) | 2020-03-27 |
| EP4600900A3 (en) | 2025-11-05 |
| JP7649771B2 (ja) | 2025-03-21 |
| US20260039861A1 (en) | 2026-02-05 |
| CN110832858B (zh) | 2023-10-13 |
| JP7168593B2 (ja) | 2022-11-09 |
| HUE072360T2 (hu) | 2025-11-28 |
| CN117478884A (zh) | 2024-01-30 |
| BR112020000032A2 (pt) | 2020-07-14 |
| JP2020526964A (ja) | 2020-08-31 |
| RU2763042C2 (ru) | 2021-12-27 |
| US11363293B2 (en) | 2022-06-14 |
| US12464161B2 (en) | 2025-11-04 |
| KR102653715B1 (ko) | 2024-04-01 |
| RU2019144982A3 (da) | 2021-10-25 |
| JP2022191507A (ja) | 2022-12-27 |
| CN117478885A (zh) | 2024-01-30 |
| EP3649780B1 (en) | 2025-06-25 |
| US20200221122A1 (en) | 2020-07-09 |
| EP4600900A2 (en) | 2025-08-13 |
| EP3649780A1 (en) | 2020-05-13 |
| WO2019010156A1 (en) | 2019-01-10 |
| US20220368943A1 (en) | 2022-11-17 |
| RU2019144982A (ru) | 2021-06-30 |
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