BR112020026988A2 - Método e aparelho de refinamento exato de subpixel baseado em superfície de erro para refinamento de vetor de movimento do lado do decodificador - Google Patents
Método e aparelho de refinamento exato de subpixel baseado em superfície de erro para refinamento de vetor de movimento do lado do decodificador Download PDFInfo
- Publication number
- BR112020026988A2 BR112020026988A2 BR112020026988-3A BR112020026988A BR112020026988A2 BR 112020026988 A2 BR112020026988 A2 BR 112020026988A2 BR 112020026988 A BR112020026988 A BR 112020026988A BR 112020026988 A2 BR112020026988 A2 BR 112020026988A2
- Authority
- BR
- Brazil
- Prior art keywords
- motion vector
- refinement
- subpixel
- block
- offset
- Prior art date
Links
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
- H04N19/533—Motion estimation using multistep search, e.g. two-dimensional [2D]-log search or one-at-a-time search [OTS]
-
- 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
- H04N19/10—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
-
- 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]
-
- 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
-
- 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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN201831024666 | 2018-07-02 | ||
| IN201831024666 | 2018-07-02 | ||
| PCT/CN2019/092114 WO2020007199A1 (en) | 2018-07-02 | 2019-06-20 | An error surface based sub-pixel accurate refinement method for decoder side motion vector refinement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112020026988A2 true BR112020026988A2 (pt) | 2021-03-30 |
Family
ID=69060580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112020026988-3A BR112020026988A2 (pt) | 2018-07-02 | 2019-06-20 | Método e aparelho de refinamento exato de subpixel baseado em superfície de erro para refinamento de vetor de movimento do lado do decodificador |
Country Status (10)
| Country | Link |
|---|---|
| US (4) | US11310521B2 (https=) |
| EP (1) | EP3794826A1 (https=) |
| JP (3) | JP7652354B2 (https=) |
| KR (2) | KR102568199B1 (https=) |
| CN (3) | CN112292861B (https=) |
| BR (1) | BR112020026988A2 (https=) |
| MX (1) | MX2020013844A (https=) |
| MY (1) | MY201618A (https=) |
| SG (1) | SG11202011320SA (https=) |
| WO (1) | WO2020007199A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2563943B (en) | 2017-06-30 | 2021-02-24 | Canon Kk | Method and apparatus for encoding or decoding video data in FRUC mode with reduced memory accesses |
| MX2021002488A (es) * | 2018-09-04 | 2021-07-16 | Huawei Tech Co Ltd | Método de obtención de trama de referencia y aparato aplicado a la interpredicción bidireccional. |
| EP3903494A4 (en) | 2019-02-28 | 2022-06-22 | Huawei Technologies Co., Ltd. | ENCODER, DECODER AND RELATED METHODS FOR INTERPREDICTION |
| WO2020185491A1 (en) * | 2019-03-08 | 2020-09-17 | Interdigital Vc Holdings, Inc. | Local illumination compensation for video encoding or decoding |
| EP4557732A1 (en) * | 2022-07-13 | 2025-05-21 | LG Electronics Inc. | Image coding/decoding method based on movement information refinement, method for transmitting bitstream, and recording medium storing bitstream |
| US20240223776A1 (en) * | 2023-01-03 | 2024-07-04 | Alibaba (China) Co., Ltd. | Intra template matching prediction mode for motion prediction |
| US20250260831A1 (en) * | 2024-02-14 | 2025-08-14 | Tencent America LLC | Implicit sub-pel position derivation for template matching-based intra prediction |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6876703B2 (en) * | 2000-05-11 | 2005-04-05 | Ub Video Inc. | Method and apparatus for video coding |
| KR100746022B1 (ko) | 2005-06-14 | 2007-08-06 | 삼성전자주식회사 | 서브픽셀 움직임 추정시 모델 스위칭을 통한 압축 효율을증가시키는 인코딩 방법 및 장치 |
| KR101403343B1 (ko) * | 2007-10-04 | 2014-06-09 | 삼성전자주식회사 | 부화소 움직임 추정을 이용한 인터 예측 부호화, 복호화방법 및 장치 |
| JP2011515060A (ja) | 2008-03-09 | 2011-05-12 | エルジー エレクトロニクス インコーポレイティド | ビデオ信号のエンコーディングまたはデコーディング方法及び装置 |
| EP2362655B1 (en) * | 2010-02-10 | 2013-07-17 | Telefonaktiebolaget L M Ericsson (Publ) | Motion-vector estimation |
| EP3314894B1 (en) * | 2015-06-25 | 2024-03-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Refinement of a low-pel resolution motion estimation vector |
| EP3171595A1 (en) * | 2015-11-18 | 2017-05-24 | Thomson Licensing | Enhanced search strategies for hierarchical motion estimation |
| KR102746463B1 (ko) * | 2016-08-17 | 2024-12-23 | 세종대학교산학협력단 | 비디오 신호의 부호화 또는 복호화 방법 및 장치 |
| CA2986600A1 (en) * | 2016-11-24 | 2018-05-24 | Ecole De Technologie Superieure | Method and system for parallel rate-constrained motion estimation in video coding |
| AU2016266019A1 (en) * | 2016-11-30 | 2018-06-14 | Canon Kabushiki Kaisha | Image registration method |
| CN106878737B (zh) * | 2017-03-02 | 2019-10-08 | 西安电子科技大学 | 高效视频编码中的运动估计加速方法 |
-
2019
- 2019-06-20 WO PCT/CN2019/092114 patent/WO2020007199A1/en not_active Ceased
- 2019-06-20 MX MX2020013844A patent/MX2020013844A/es unknown
- 2019-06-20 EP EP19829878.8A patent/EP3794826A1/en active Pending
- 2019-06-20 MY MYPI2020005963A patent/MY201618A/en unknown
- 2019-06-20 KR KR1020207035308A patent/KR102568199B1/ko active Active
- 2019-06-20 CN CN201980040320.0A patent/CN112292861B/zh active Active
- 2019-06-20 KR KR1020237027427A patent/KR102701434B1/ko active Active
- 2019-06-20 BR BR112020026988-3A patent/BR112020026988A2/pt unknown
- 2019-06-20 CN CN202210544150.3A patent/CN115442619B/zh active Active
- 2019-06-20 JP JP2020572451A patent/JP7652354B2/ja active Active
- 2019-06-20 SG SG11202011320SA patent/SG11202011320SA/en unknown
- 2019-06-20 CN CN202210547968.0A patent/CN115052162A/zh active Pending
-
2020
- 2020-11-22 US US17/100,924 patent/US11310521B2/en active Active
-
2022
- 2022-01-11 US US17/573,331 patent/US12003754B2/en active Active
-
2023
- 2023-12-22 JP JP2023217242A patent/JP7793586B2/ja active Active
-
2024
- 2024-05-06 US US18/655,369 patent/US12477142B2/en active Active
-
2025
- 2025-10-22 US US19/366,468 patent/US20260046439A1/en active Pending
- 2025-12-17 JP JP2025258099A patent/JP2026053451A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2026053451A (ja) | 2026-03-25 |
| CN112292861A (zh) | 2021-01-29 |
| KR20230122686A (ko) | 2023-08-22 |
| US20260046439A1 (en) | 2026-02-12 |
| US20240364914A1 (en) | 2024-10-31 |
| CN115052162A (zh) | 2022-09-13 |
| CN115442619A (zh) | 2022-12-06 |
| JP2024038060A (ja) | 2024-03-19 |
| JP7793586B2 (ja) | 2026-01-05 |
| EP3794826A4 (en) | 2021-03-24 |
| EP3794826A1 (en) | 2021-03-24 |
| US12003754B2 (en) | 2024-06-04 |
| KR20210008046A (ko) | 2021-01-20 |
| KR102568199B1 (ko) | 2023-08-22 |
| JP2021530144A (ja) | 2021-11-04 |
| MX2020013844A (es) | 2021-03-25 |
| CN112292861B (zh) | 2022-05-17 |
| SG11202011320SA (en) | 2020-12-30 |
| US12477142B2 (en) | 2025-11-18 |
| US11310521B2 (en) | 2022-04-19 |
| WO2020007199A1 (en) | 2020-01-09 |
| CN115442619B (zh) | 2025-01-07 |
| JP7652354B2 (ja) | 2025-03-27 |
| MY201618A (en) | 2024-03-05 |
| US20210076059A1 (en) | 2021-03-11 |
| US20220132158A1 (en) | 2022-04-28 |
| KR102701434B1 (ko) | 2024-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7571105B2 (ja) | 動きベクトル精密化および動き補償のためのメモリアクセスウィンドウおよびパディング | |
| JP7682967B2 (ja) | マルチリファレンス予測のための動きベクトルの精密化 | |
| BR112020026988A2 (pt) | Método e aparelho de refinamento exato de subpixel baseado em superfície de erro para refinamento de vetor de movimento do lado do decodificador | |
| CN115118988B (zh) | 用于运动向量细化的搜索区域 | |
| KR102642784B1 (ko) | 모션 벡터 리파인먼트를 위한 제한된 메모리 액세스 윈도우 | |
| CN111201795B (zh) | 存储访问窗口和用于运动矢量修正的填充 | |
| CN113597764B (zh) | 视频解码方法、系统和存储介质 | |
| BR102012013152A2 (pt) | aparelho de decodificaÇço de vÍdeo, aparelho de codificaÇço de vÍdeo, mÉtodo de decodificaÇço de vÍdeo, mÉtodo de codificaÇço de vÍdeo e meio de armazenamento | |
| BR112019028035A2 (pt) | "dispositivo para determinar uma predição de um bloco corrente, decodificador e codificador de vídeo, e método para determinar uma predição de um bloco corrente | |
| TW202015405A (zh) | 用於視訊編解碼的幀間預測方法以及裝置 | |
| BR112019027261B1 (pt) | Aparelho e método para realizar predição inter, decodificador e codificador de vídeo | |
| BR122025008271A2 (pt) | Refinamento de vetor de movimento para prediqao de multiplas referencias | |
| KR20080107668A (ko) | 블록 기반의 영상 움직임 추정 방법 및 그 장치 |