MX2021010779A - Derivacion de vector de movimiento en codificacion y decodificacion de video. - Google Patents
Derivacion de vector de movimiento en codificacion y decodificacion de video.Info
- Publication number
- MX2021010779A MX2021010779A MX2021010779A MX2021010779A MX2021010779A MX 2021010779 A MX2021010779 A MX 2021010779A MX 2021010779 A MX2021010779 A MX 2021010779A MX 2021010779 A MX2021010779 A MX 2021010779A MX 2021010779 A MX2021010779 A MX 2021010779A
- Authority
- MX
- Mexico
- Prior art keywords
- motion vector
- decoding
- video encoding
- vector derivation
- vector refinement
- Prior art date
Links
- 238000009795 derivation Methods 0.000 title 1
- 238000000034 method Methods 0.000 abstract 7
- 230000004913 activation Effects 0.000 abstract 2
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
- H04N19/577—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
- H04N19/134—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
- H04N19/169—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
- H04N19/172—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 picture, frame or field
-
- 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
- H04N19/523—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
- H04N19/70—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
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
-
- 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
- H04N19/50—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
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 |
|---|---|---|---|
| EP19305272 | 2019-03-08 | ||
| PCT/IB2020/000290 WO2020183243A1 (en) | 2019-03-08 | 2020-03-06 | Motion vector derivation in video encoding and decoding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2021010779A true MX2021010779A (es) | 2021-09-30 |
Family
ID=67437147
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021010779A MX2021010779A (es) | 2019-03-08 | 2020-03-06 | Derivacion de vector de movimiento en codificacion y decodificacion de video. |
| MX2025001838A MX2025001838A (es) | 2019-03-08 | 2021-09-07 | Derivacion de vector de movimiento en codificacion y decodificacion de video |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2025001838A MX2025001838A (es) | 2019-03-08 | 2021-09-07 | Derivacion de vector de movimiento en codificacion y decodificacion de video |
Country Status (6)
| Country | Link |
|---|---|
| US (3) | US11930184B2 (enExample) |
| EP (1) | EP3935852A1 (enExample) |
| JP (2) | JP7532388B2 (enExample) |
| CN (2) | CN119767031A (enExample) |
| MX (2) | MX2021010779A (enExample) |
| WO (1) | WO2020183243A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI738248B (zh) * | 2019-03-14 | 2021-09-01 | 聯發科技股份有限公司 | 運動細化以及子分區基礎填充的視訊處理的方法以及裝置 |
| WO2021006617A1 (ko) * | 2019-07-08 | 2021-01-14 | 현대자동차주식회사 | 인터 예측을 이용하여 비디오를 부호화 및 복호화하는 방법 및 장치 |
| US20230145618A1 (en) * | 2020-03-20 | 2023-05-11 | Canon Kabushiki Kaisha | High level syntax for video coding and decoding |
| WO2021249949A1 (en) * | 2020-06-09 | 2021-12-16 | Interdigital Vc Holdings France, Sas | Local light field flow as an alternative to plane-sweep volumes |
| WO2022165154A1 (en) * | 2021-01-29 | 2022-08-04 | Qualcomm Incorporated | Model-based motion vector difference derivation and template matching prediction for video coding |
| EP4388741A1 (en) * | 2021-08-16 | 2024-06-26 | InterDigital CE Patent Holdings, SAS | Systems and methods for processing video content based on viewing conditions |
| US12489886B2 (en) * | 2022-07-04 | 2025-12-02 | Alibaba (China) Co., Ltd. | Deriving bi-prediction with coding unit-level weight indices for merge candidates |
| WO2025075762A1 (en) * | 2023-10-06 | 2025-04-10 | Qualcomm Incorporated | Using local illumination compensation and delta motion vector refinement together in video coding |
| WO2025221570A1 (en) * | 2024-04-17 | 2025-10-23 | Qualcomm Incorporated | Adaptive cost function selection in merge mode in video coding |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8054882B2 (en) * | 2005-05-13 | 2011-11-08 | Streaming Networks (Pvt.) Ltd. | Method and system for providing bi-directionally predicted video coding |
| US20130182768A1 (en) * | 2010-09-30 | 2013-07-18 | Korea Advanced Institute Of Science And Technology | Method and apparatus for encoding / decoding video using error compensation |
| US10333547B2 (en) * | 2012-08-13 | 2019-06-25 | Gurologic Microsystems Oy | Encoder and method for encoding input data using a plurality of different transformations or combinations of transformations |
| US10511835B2 (en) | 2015-09-02 | 2019-12-17 | Mediatek Inc. | Method and apparatus of decoder side motion derivation for video coding |
| EP3264769A1 (en) * | 2016-06-30 | 2018-01-03 | Thomson Licensing | Method and apparatus for video coding with automatic motion information refinement |
| EP3560202A4 (en) | 2016-12-27 | 2020-07-29 | MediaTek Inc. | BILATERAL MODEL MV REFINEMENT PROCESS AND APPARATUS INTENDED FOR VIDEO CODING |
| US20180199057A1 (en) * | 2017-01-12 | 2018-07-12 | Mediatek Inc. | Method and Apparatus of Candidate Skipping for Predictor Refinement in Video Coding |
| US10701366B2 (en) | 2017-02-21 | 2020-06-30 | Qualcomm Incorporated | Deriving motion vector information at a video decoder |
| US10602180B2 (en) * | 2017-06-13 | 2020-03-24 | Qualcomm Incorporated | Motion vector prediction |
| US10477237B2 (en) | 2017-06-28 | 2019-11-12 | Futurewei Technologies, Inc. | Decoder side motion vector refinement in video coding |
| WO2020031902A1 (ja) | 2018-08-06 | 2020-02-13 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法および復号方法 |
| WO2020084474A1 (en) * | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Gradient computation in bi-directional optical flow |
| WO2020084507A1 (en) * | 2018-10-23 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Harmonized local illumination compensation and modified inter prediction coding |
-
2020
- 2020-03-06 EP EP20724929.3A patent/EP3935852A1/en active Pending
- 2020-03-06 WO PCT/IB2020/000290 patent/WO2020183243A1/en not_active Ceased
- 2020-03-06 CN CN202411623902.0A patent/CN119767031A/zh active Pending
- 2020-03-06 JP JP2021547331A patent/JP7532388B2/ja active Active
- 2020-03-06 US US17/428,359 patent/US11930184B2/en active Active
- 2020-03-06 CN CN202080018709.8A patent/CN113615196B/zh active Active
- 2020-03-06 MX MX2021010779A patent/MX2021010779A/es unknown
-
2021
- 2021-09-07 MX MX2025001838A patent/MX2025001838A/es unknown
-
2024
- 2024-01-25 US US18/423,086 patent/US12355974B2/en active Active
- 2024-07-31 JP JP2024124332A patent/JP7775389B2/ja active Active
-
2025
- 2025-06-04 US US19/228,292 patent/US20250301148A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20220116621A1 (en) | 2022-04-14 |
| CN119767031A (zh) | 2025-04-04 |
| MX2025001838A (es) | 2025-03-07 |
| CN113615196A (zh) | 2021-11-05 |
| CN113615196B (zh) | 2024-11-29 |
| JP2024161411A (ja) | 2024-11-19 |
| US11930184B2 (en) | 2024-03-12 |
| JP7775389B2 (ja) | 2025-11-25 |
| US20250301148A1 (en) | 2025-09-25 |
| WO2020183243A1 (en) | 2020-09-17 |
| US20240171750A1 (en) | 2024-05-23 |
| JP7532388B2 (ja) | 2024-08-13 |
| US12355974B2 (en) | 2025-07-08 |
| EP3935852A1 (en) | 2022-01-12 |
| JP2022521893A (ja) | 2022-04-13 |
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