CL2024000872A1 - Predicción de signos de diferencia de vectores de movimiento para la codificación de vídeo - Google Patents
Predicción de signos de diferencia de vectores de movimiento para la codificación de vídeoInfo
- Publication number
- CL2024000872A1 CL2024000872A1 CL2024000872A CL2024000872A CL2024000872A1 CL 2024000872 A1 CL2024000872 A1 CL 2024000872A1 CL 2024000872 A CL2024000872 A CL 2024000872A CL 2024000872 A CL2024000872 A CL 2024000872A CL 2024000872 A1 CL2024000872 A1 CL 2024000872A1
- Authority
- CL
- Chile
- Prior art keywords
- motion vector
- sign
- vector difference
- motion vectors
- video coding
- Prior art date
Links
- 239000013598 vector Substances 0.000 title abstract 12
Classifications
-
- 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
- H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
-
- 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
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
-
- 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
- H04N19/134—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
- H04N19/537—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
- H04N19/70—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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163249421P | 2021-09-28 | 2021-09-28 | |
| US17/929,122 US20230094825A1 (en) | 2021-09-28 | 2022-09-01 | Motion vector difference sign prediction for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2024000872A1 true CL2024000872A1 (es) | 2024-07-19 |
Family
ID=83457148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2024000872A CL2024000872A1 (es) | 2021-09-28 | 2024-03-26 | Predicción de signos de diferencia de vectores de movimiento para la codificación de vídeo |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP4409892A1 (https=) |
| JP (1) | JP2024535273A (https=) |
| KR (1) | KR20240087718A (https=) |
| CA (1) | CA3227220A1 (https=) |
| CL (1) | CL2024000872A1 (https=) |
| TW (1) | TW202315410A (https=) |
| WO (1) | WO2023056158A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024511725A (ja) * | 2021-03-05 | 2024-03-15 | ボドナー、ザカリー | 眼位異常を測定および分類するためのシステムおよび方法 |
| CN121079979A (zh) * | 2023-04-13 | 2025-12-05 | 瑞典爱立信有限公司 | 增强型几何分区模式 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10701391B2 (en) * | 2017-03-23 | 2020-06-30 | Qualcomm Incorporated | Motion vector difference (MVD) prediction |
| CN118233651A (zh) * | 2018-06-07 | 2024-06-21 | 韦勒斯标准与技术协会公司 | 使用自适应运动矢量分辨率的视频信号处理方法及装置 |
| WO2020025041A1 (en) * | 2018-08-03 | 2020-02-06 | Mediatek Inc. | Method and apparatus of enhanced intra block copying mode for video coding |
| US11140406B2 (en) * | 2019-02-20 | 2021-10-05 | Qualcomm Incorporated | Signalling for merge mode with motion vector differences in video coding |
-
2022
- 2022-09-02 KR KR1020247009581A patent/KR20240087718A/ko active Pending
- 2022-09-02 WO PCT/US2022/075911 patent/WO2023056158A1/en not_active Ceased
- 2022-09-02 CA CA3227220A patent/CA3227220A1/en active Pending
- 2022-09-02 EP EP22777925.3A patent/EP4409892A1/en active Pending
- 2022-09-02 JP JP2024516896A patent/JP2024535273A/ja active Pending
- 2022-09-22 TW TW111135843A patent/TW202315410A/zh unknown
-
2024
- 2024-03-26 CL CL2024000872A patent/CL2024000872A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP4409892A1 (en) | 2024-08-07 |
| WO2023056158A1 (en) | 2023-04-06 |
| KR20240087718A (ko) | 2024-06-19 |
| TW202315410A (zh) | 2023-04-01 |
| CA3227220A1 (en) | 2023-04-06 |
| JP2024535273A (ja) | 2024-09-30 |
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