BR112021026310A2 - Previsão de vetor de movimento na codificação e decodificação de vídeo - Google Patents
Previsão de vetor de movimento na codificação e decodificação de vídeoInfo
- Publication number
- BR112021026310A2 BR112021026310A2 BR112021026310A BR112021026310A BR112021026310A2 BR 112021026310 A2 BR112021026310 A2 BR 112021026310A2 BR 112021026310 A BR112021026310 A BR 112021026310A BR 112021026310 A BR112021026310 A BR 112021026310A BR 112021026310 A2 BR112021026310 A2 BR 112021026310A2
- Authority
- BR
- Brazil
- Prior art keywords
- decoding
- encoding
- motion vector
- vector prediction
- flag
- Prior art date
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
- H04N19/10—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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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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
- H04N19/102—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
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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
- H04N19/102—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
- H04N19/119—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
- H04N19/134—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
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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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to 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
- H04N19/10—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
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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
- H04N19/169—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
- H04N19/10—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
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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
- H04N19/169—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
- H04N19/184—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 bits, e.g. of the compressed video stream
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
- H04N19/527—Global motion vector estimation
-
- 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
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
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 |
|---|---|---|---|
| EP19305833 | 2019-06-25 | ||
| PCT/EP2020/067497 WO2020260280A1 (en) | 2019-06-25 | 2020-06-23 | Motion vector prediction in video encoding and decoding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021026310A2 true BR112021026310A2 (pt) | 2022-03-03 |
Family
ID=67437763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021026310A BR112021026310A2 (pt) | 2019-06-25 | 2020-06-23 | Previsão de vetor de movimento na codificação e decodificação de vídeo |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US12526420B2 (enExample) |
| EP (1) | EP3991417A1 (enExample) |
| JP (3) | JP2022537746A (enExample) |
| KR (1) | KR20220027173A (enExample) |
| CN (2) | CN114450951B (enExample) |
| BR (1) | BR112021026310A2 (enExample) |
| WO (1) | WO2020260280A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11412243B2 (en) * | 2018-12-07 | 2022-08-09 | Sharp Kabushiki Kaisha | Video decoding apparatus |
| US12676965B2 (en) | 2023-10-06 | 2026-07-07 | Qualcomm Incorporated | Using local illumination compensation and delta motion vector refinement together in video coding |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9060173B2 (en) | 2011-06-30 | 2015-06-16 | Sharp Kabushiki Kaisha | Context initialization based on decoder picture buffer |
| US20140029670A1 (en) | 2012-07-27 | 2014-01-30 | Motorola Mobility Llc | Devices and methods for processing of partition mode in high efficiency video coding |
| US10129550B2 (en) * | 2013-02-01 | 2018-11-13 | Qualcomm Incorporated | Inter-layer syntax prediction control |
| US9930363B2 (en) * | 2013-04-12 | 2018-03-27 | Nokia Technologies Oy | Harmonized inter-view and view synthesis prediction for 3D video coding |
| US10148977B2 (en) | 2015-06-16 | 2018-12-04 | Futurewei Technologies, Inc. | Advanced coding techniques for high efficiency video coding (HEVC) screen content coding (SCC) extensions |
| US10560712B2 (en) | 2016-05-16 | 2020-02-11 | Qualcomm Incorporated | Affine motion prediction for video coding |
| US20200288141A1 (en) | 2017-10-03 | 2020-09-10 | Nec Corporation | Video coding device, video decoding device, video coding method, video decoding method, program and video system |
| GB2577318B (en) * | 2018-09-21 | 2021-03-10 | Canon Kk | Video coding and decoding |
| CN112753222B (zh) * | 2018-09-21 | 2024-09-06 | 交互数字Vc控股公司 | 视频编码和解码中的运动矢量预测 |
| CN119299695A (zh) * | 2018-10-10 | 2025-01-10 | 交互数字Vc控股公司 | 视频编码和解码中的仿射模式信令 |
| WO2020085953A1 (en) | 2018-10-25 | 2020-04-30 | Huawei Technologies Co., Ltd. | An encoder, a decoder and corresponding methods for inter prediction |
| CN119653077A (zh) | 2018-10-29 | 2025-03-18 | 华为技术有限公司 | 一种视频图像预测方法及装置 |
| CN113056920B (zh) * | 2018-11-22 | 2024-05-24 | 北京字节跳动网络技术有限公司 | 基于子块的帧间预测的协调方法 |
| WO2020108649A1 (en) * | 2018-11-29 | 2020-06-04 | Beijing Bytedance Network Technology Co., Ltd. | Interaction between intra block copy mode and inter prediction tools |
| EP3923582B1 (en) * | 2019-03-08 | 2025-04-30 | Godo Kaisha IP Bridge 1 | Image encoding device, image encoding method, image encoding program, image decoding device, image decoding method, and image decoding program |
| KR20250021642A (ko) * | 2019-06-04 | 2025-02-13 | 두인 비전 컴퍼니 리미티드 | 모션 후보 리스트 구성 프로세스의 조건부 구현 |
| CN120378633A (zh) * | 2019-06-24 | 2025-07-25 | Lg电子株式会社 | 解码设备、编码设备和数据发送设备 |
-
2020
- 2020-06-23 US US17/620,402 patent/US12526420B2/en active Active
- 2020-06-23 KR KR1020227002621A patent/KR20220027173A/ko active Pending
- 2020-06-23 WO PCT/EP2020/067497 patent/WO2020260280A1/en not_active Ceased
- 2020-06-23 EP EP20734383.1A patent/EP3991417A1/en active Pending
- 2020-06-23 CN CN202080046592.4A patent/CN114450951B/zh active Active
- 2020-06-23 JP JP2021575348A patent/JP2022537746A/ja active Pending
- 2020-06-23 CN CN202510310982.2A patent/CN120263981A/zh active Pending
- 2020-06-23 BR BR112021026310A patent/BR112021026310A2/pt unknown
-
2025
- 2025-03-24 JP JP2025047635A patent/JP2025098127A/ja active Pending
- 2025-12-02 JP JP2025218957A patent/JP2026035769A/ja active Pending
- 2025-12-11 US US19/416,937 patent/US20260101039A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20260101039A1 (en) | 2026-04-09 |
| US12526420B2 (en) | 2026-01-13 |
| JP2025098127A (ja) | 2025-07-01 |
| JP2026035769A (ja) | 2026-03-04 |
| KR20220027173A (ko) | 2022-03-07 |
| CN120263981A (zh) | 2025-07-04 |
| JP2022537746A (ja) | 2022-08-29 |
| CN114450951B (zh) | 2025-04-01 |
| US20230018401A1 (en) | 2023-01-19 |
| EP3991417A1 (en) | 2022-05-04 |
| WO2020260280A1 (en) | 2020-12-30 |
| CN114450951A (zh) | 2022-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B25A | Requested transfer of rights approved |
Owner name: INTERDIGITAL CE PATENT HOLDINGS, SAS (FR) |