BR112021021669A2 - Método e aparelho para processar dados de vídeo, e, mídias de armazenamento e de gravação legíveis por computador não transitórias - Google Patents
Método e aparelho para processar dados de vídeo, e, mídias de armazenamento e de gravação legíveis por computador não transitóriasInfo
- Publication number
- BR112021021669A2 BR112021021669A2 BR112021021669A BR112021021669A BR112021021669A2 BR 112021021669 A2 BR112021021669 A2 BR 112021021669A2 BR 112021021669 A BR112021021669 A BR 112021021669A BR 112021021669 A BR112021021669 A BR 112021021669A BR 112021021669 A2 BR112021021669 A2 BR 112021021669A2
- Authority
- BR
- Brazil
- Prior art keywords
- video
- video data
- readable storage
- transitory computer
- recording media
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 238000003672 processing method Methods 0.000 abstract 2
- 238000004590 computer program Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
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
- H04N19/134—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
- H04N19/50—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
-
- 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
- H04N19/134—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
-
- 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
- H04N19/513—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
- H04N19/513—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
- H04N19/523—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
- H04N19/543—Motion estimation other than block-based using regions
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Analysis (AREA)
Abstract
método de processamento de vídeo, aparelho em um sistema de vídeo, e, produto de programa de computador. dispositivos, sistemas e métodos para processamento de vídeo são descritos. em um aspecto, um método de processamento de vídeo é provido para incluir determinar, para uma conversão entre um bloco de vídeo atual de um vídeo e uma representação codificada do vídeo, que uma informação de movimento do bloco de vídeo atual é refinada usando um método com base em fluxo óptico em que pelo menos um deslocamento do vetor de movimento é derivado para uma região no bloco de vídeo atual; limitar o pelo menos um deslocamento do vetor de movimento em uma faixa [-n,m], em que n e m são números inteiros com base em uma regra; e realizar a conversão com base em pelo menos um deslocamento do vetor de movimento limitado.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019087193 | 2019-05-16 | ||
| CN2019090037 | 2019-06-04 | ||
| CN2019090903 | 2019-06-12 | ||
| CN2019093616 | 2019-06-28 | ||
| CN2019093973 | 2019-06-29 | ||
| CN2019094282 | 2019-07-01 | ||
| CN2019104489 | 2019-09-05 | ||
| CN2019116757 | 2019-11-08 | ||
| PCT/CN2020/090802 WO2020228836A1 (en) | 2019-05-16 | 2020-05-18 | Sub-region based determination of motion information refinement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021021669A2 true BR112021021669A2 (pt) | 2021-12-21 |
Family
ID=73289816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021021669A BR112021021669A2 (pt) | 2019-05-16 | 2020-05-18 | Método e aparelho para processar dados de vídeo, e, mídias de armazenamento e de gravação legíveis por computador não transitórias |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US11736698B2 (pt) |
| EP (1) | EP3949415A4 (pt) |
| JP (2) | JP7431253B2 (pt) |
| KR (1) | KR102647582B1 (pt) |
| CN (2) | CN117395419A (pt) |
| BR (1) | BR112021021669A2 (pt) |
| SG (1) | SG11202111843XA (pt) |
| WO (1) | WO2020228836A1 (pt) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113661711A (zh) * | 2019-03-16 | 2021-11-16 | Vid拓展公司 | 利用光流补偿进行的帧间预测存储器访问带宽减少方法 |
| US11330287B2 (en) * | 2019-06-28 | 2022-05-10 | Tencent America LLC | Method and apparatus for video coding |
| EP3991432A1 (en) * | 2019-07-01 | 2022-05-04 | InterDigital VC Holdings France, SAS | Bi-directional optical flow refinement of affine motion compensation |
| CN117529913A (zh) * | 2021-06-10 | 2024-02-06 | 抖音视界有限公司 | 视频处理的方法、设备和介质 |
| US12132885B2 (en) * | 2021-09-16 | 2024-10-29 | Qualcomm Incorporated | Multiple inter predictors with decoder side motion vector derivation for video coding |
| WO2023072287A1 (en) * | 2021-10-29 | 2023-05-04 | Beijing Bytedance Network Technology Co., Ltd. | Method, apparatus, and medium for video processing |
| US11616970B1 (en) | 2022-01-25 | 2023-03-28 | Mediatek Inc. | Motion vector refinement apparatus having motion vector predictor derivation circuit that is allowed to start new task without waiting for motion vector difference computation and associated motion vector refinement method |
| EP4258666A1 (en) * | 2022-04-07 | 2023-10-11 | Beijing Xiaomi Mobile Software Co., Ltd. | Encoding/decoding video picture data |
| US20230336773A1 (en) * | 2022-04-18 | 2023-10-19 | Tencent America LLC | On motion compensated picture boundary padding |
| WO2024136153A1 (ko) * | 2022-12-20 | 2024-06-27 | 현대자동차주식회사 | 단방향 및 양예측에 적용 가능한 디코더 측 움직임벡터 보정을 위한 방법 및 장치 |
| US20240314343A1 (en) * | 2023-03-13 | 2024-09-19 | Tencent America LLC | Block based weighting factor for joint motion vector difference coding mode |
| WO2024215113A1 (ko) * | 2023-04-13 | 2024-10-17 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
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| US7627037B2 (en) | 2004-02-27 | 2009-12-01 | Microsoft Corporation | Barbell lifting for multi-layer wavelet coding |
| EP2901692A4 (en) | 2012-09-28 | 2016-04-13 | Intel Corp | PREDICTING SAMPLES OF INTERLAYER PIXELS |
| SG11201500314WA (en) | 2012-09-28 | 2015-02-27 | Intel Corp | Inter-layer residual prediction |
| US9294777B2 (en) | 2012-12-30 | 2016-03-22 | Qualcomm Incorporated | Progressive refinement with temporal scalability support in video coding |
| US9521425B2 (en) | 2013-03-19 | 2016-12-13 | Qualcomm Incorporated | Disparity vector derivation in 3D video coding for skip and direct modes |
| WO2014166063A1 (en) | 2013-04-09 | 2014-10-16 | Mediatek Inc. | Default vector for disparity vector derivation for 3d video coding |
| US9762927B2 (en) | 2013-09-26 | 2017-09-12 | Qualcomm Incorporated | Sub-prediction unit (PU) based temporal motion vector prediction in HEVC and sub-PU design in 3D-HEVC |
| US9667996B2 (en) | 2013-09-26 | 2017-05-30 | Qualcomm Incorporated | Sub-prediction unit (PU) based temporal motion vector prediction in HEVC and sub-PU design in 3D-HEVC |
| EP3364655A4 (en) * | 2015-11-11 | 2018-10-10 | Samsung Electronics Co., Ltd. | Method and apparatus for decoding video, and method and apparatus for encoding video |
| CN108886619A (zh) * | 2016-01-07 | 2018-11-23 | 联发科技股份有限公司 | 用于视频编解码系统的仿射合并模式预测的方法及装置 |
| 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 |
| US10523964B2 (en) | 2017-03-13 | 2019-12-31 | Qualcomm Incorporated | Inter prediction refinement based on bi-directional optical flow (BIO) |
| US10595035B2 (en) | 2017-03-22 | 2020-03-17 | Qualcomm Incorporated | Constraining motion vector information derived by decoder-side motion vector derivation |
| US10805630B2 (en) | 2017-04-28 | 2020-10-13 | Qualcomm Incorporated | Gradient based matching for motion search and derivation |
| US10904565B2 (en) | 2017-06-23 | 2021-01-26 | Qualcomm Incorporated | Memory-bandwidth-efficient design for bi-directional optical flow (BIO) |
| US10785494B2 (en) | 2017-10-11 | 2020-09-22 | Qualcomm Incorporated | Low-complexity design for FRUC |
| US10986360B2 (en) * | 2017-10-16 | 2021-04-20 | Qualcomm Incorproated | Various improvements to FRUC template matching |
| US20190306502A1 (en) | 2018-04-02 | 2019-10-03 | Qualcomm Incorporated | System and method for improved adaptive loop filtering |
| US10779002B2 (en) | 2018-04-17 | 2020-09-15 | Qualcomm Incorporated | Limitation of the MVP derivation based on decoder-side motion vector derivation |
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| CN112956197A (zh) | 2018-10-22 | 2021-06-11 | 北京字节跳动网络技术有限公司 | 基于编解码信息的解码器侧运动矢量推导的限制 |
| WO2020084464A1 (en) | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Decoder side motion vector derivation based on reference pictures |
| CN118694931A (zh) | 2018-11-05 | 2024-09-24 | 北京字节跳动网络技术有限公司 | 编解码视频数据的方法、装置及计算机可读存储介质 |
| US11962796B2 (en) | 2019-04-01 | 2024-04-16 | Qualcomm Incorporated | Gradient-based prediction refinement for video coding |
| CN117750033A (zh) * | 2019-04-12 | 2024-03-22 | 寰发股份有限公司 | 用于视频编解码系统的简化仿射子块处理的方法及装置 |
| KR102486982B1 (ko) * | 2019-08-23 | 2023-01-10 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 광학 흐름을 사용한 예측 미세조정을 위한 방법 및 장치 |
-
2020
- 2020-05-18 CN CN202311610467.3A patent/CN117395419A/zh active Pending
- 2020-05-18 BR BR112021021669A patent/BR112021021669A2/pt unknown
- 2020-05-18 KR KR1020217036613A patent/KR102647582B1/ko active IP Right Grant
- 2020-05-18 CN CN202080030922.0A patent/CN113728644B/zh active Active
- 2020-05-18 EP EP20806602.7A patent/EP3949415A4/en active Pending
- 2020-05-18 WO PCT/CN2020/090802 patent/WO2020228836A1/en unknown
- 2020-05-18 SG SG11202111843XA patent/SG11202111843XA/en unknown
- 2020-05-18 JP JP2021564118A patent/JP7431253B2/ja active Active
-
2021
- 2021-10-20 US US17/506,578 patent/US11736698B2/en active Active
-
2023
- 2023-08-11 US US18/448,591 patent/US20230403398A1/en active Pending
-
2024
- 2024-01-29 JP JP2024010643A patent/JP2024032872A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2022530516A (ja) | 2022-06-29 |
| CN117395419A (zh) | 2024-01-12 |
| KR20220009947A (ko) | 2022-01-25 |
| CN113728644A (zh) | 2021-11-30 |
| WO2020228836A1 (en) | 2020-11-19 |
| JP7431253B2 (ja) | 2024-02-14 |
| SG11202111843XA (en) | 2021-11-29 |
| CN113728644B (zh) | 2024-01-26 |
| KR102647582B1 (ko) | 2024-03-15 |
| EP3949415A4 (en) | 2022-08-03 |
| JP2024032872A (ja) | 2024-03-12 |
| EP3949415A1 (en) | 2022-02-09 |
| US11736698B2 (en) | 2023-08-22 |
| US20230403398A1 (en) | 2023-12-14 |
| US20220103827A1 (en) | 2022-03-31 |
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