CN121967717A - 利用光流的运动补偿的精度细化 - Google Patents
利用光流的运动补偿的精度细化Info
- Publication number
- CN121967717A CN121967717A CN202511919200.1A CN202511919200A CN121967717A CN 121967717 A CN121967717 A CN 121967717A CN 202511919200 A CN202511919200 A CN 202511919200A CN 121967717 A CN121967717 A CN 121967717A
- Authority
- CN
- China
- Prior art keywords
- sample
- motion vector
- determining
- refinement
- vector refinement
- 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.)
- Pending
Links
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
- H04N19/50—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
- H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting 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
- H04N19/10—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
- H04N19/10—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
- H04N19/169—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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
-
- 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
- H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
-
- 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
- H04N19/54—Motion estimation other than block-based using feature points or meshes
-
- 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
- H04N19/567—Motion estimation based on rate distortion criteria
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962864825P | 2019-06-21 | 2019-06-21 | |
| US62/864,825 | 2019-06-21 | ||
| PCT/US2020/038476 WO2020257484A1 (en) | 2019-06-21 | 2020-06-18 | Precision refinement for motion compensation with optical flow |
| CN202080045525.0A CN114026851B (zh) | 2019-06-21 | 2020-06-18 | 利用光流的运动补偿的精度细化 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080045525.0A Division CN114026851B (zh) | 2019-06-21 | 2020-06-18 | 利用光流的运动补偿的精度细化 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN121967717A true CN121967717A (zh) | 2026-05-01 |
Family
ID=71465490
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202511919200.1A Pending CN121967717A (zh) | 2019-06-21 | 2020-06-18 | 利用光流的运动补偿的精度细化 |
| CN202080045525.0A Active CN114026851B (zh) | 2019-06-21 | 2020-06-18 | 利用光流的运动补偿的精度细化 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080045525.0A Active CN114026851B (zh) | 2019-06-21 | 2020-06-18 | 利用光流的运动补偿的精度细化 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US12160582B2 (https=) |
| EP (2) | EP4300964A3 (https=) |
| JP (2) | JP7552988B2 (https=) |
| CN (2) | CN121967717A (https=) |
| WO (1) | WO2020257484A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL285212B2 (en) | 2019-02-07 | 2024-06-01 | Vid Scale Inc | Systems, means and methods for refining Internet prediction with optical flow |
| EP4300964A3 (en) * | 2019-06-21 | 2024-03-13 | VID SCALE, Inc. | Precision refinement for motion compensation with optical flow |
| WO2021001220A1 (en) * | 2019-07-01 | 2021-01-07 | Interdigital Vc Holdings France, Sas | Bi-directional optical flow refinement of affine motion compensation |
| EP4062638A4 (en) * | 2019-12-27 | 2023-01-11 | Zhejiang Dahua Technology Co., Ltd | AFFINE PREDICTION PROCESS AND ASSOCIATED DEVICES |
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| WO2020211867A1 (en) * | 2019-04-19 | 2020-10-22 | Beijing Bytedance Network Technology Co., Ltd. | Delta motion vector in prediction refinement with optical flow process |
| CN118540470A (zh) * | 2019-04-19 | 2024-08-23 | 北京字节跳动网络技术有限公司 | 不同运动矢量细化中的基于区域的梯度计算 |
| JP7275326B2 (ja) * | 2019-06-14 | 2023-05-17 | ヒョンダイ モーター カンパニー | インター予測を利用した映像符号化方法、映像復号化方法、及び映像復号化装置 |
| EP4300964A3 (en) * | 2019-06-21 | 2024-03-13 | VID SCALE, Inc. | Precision refinement for motion compensation with optical flow |
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2020
- 2020-06-18 EP EP23209984.6A patent/EP4300964A3/en active Pending
- 2020-06-18 US US17/619,192 patent/US12160582B2/en active Active
- 2020-06-18 WO PCT/US2020/038476 patent/WO2020257484A1/en not_active Ceased
- 2020-06-18 CN CN202511919200.1A patent/CN121967717A/zh active Pending
- 2020-06-18 CN CN202080045525.0A patent/CN114026851B/zh active Active
- 2020-06-18 EP EP20736894.5A patent/EP3987778B1/en active Active
- 2020-06-18 JP JP2021575392A patent/JP7552988B2/ja active Active
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2024
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020257484A1 (en) | 2020-12-24 |
| EP3987778B1 (en) | 2023-11-22 |
| JP7700337B2 (ja) | 2025-06-30 |
| JP2024174900A (ja) | 2024-12-17 |
| CN114026851A (zh) | 2022-02-08 |
| EP4300964A2 (en) | 2024-01-03 |
| JP7552988B2 (ja) | 2024-09-18 |
| JP2022536967A (ja) | 2022-08-22 |
| US12160582B2 (en) | 2024-12-03 |
| EP4300964A3 (en) | 2024-03-13 |
| US20250056002A1 (en) | 2025-02-13 |
| US20220286688A1 (en) | 2022-09-08 |
| CN114026851B (zh) | 2026-01-06 |
| EP3987778A1 (en) | 2022-04-27 |
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