BR112021022331A2 - Refinamento de predição baseado em gradiente para codificação de vídeo - Google Patents
Refinamento de predição baseado em gradiente para codificação de vídeoInfo
- Publication number
- BR112021022331A2 BR112021022331A2 BR112021022331A BR112021022331A BR112021022331A2 BR 112021022331 A2 BR112021022331 A2 BR 112021022331A2 BR 112021022331 A BR112021022331 A BR 112021022331A BR 112021022331 A BR112021022331 A BR 112021022331A BR 112021022331 A2 BR112021022331 A2 BR 112021022331A2
- Authority
- BR
- Brazil
- Prior art keywords
- gradient
- prediction
- based prediction
- prediction refinement
- refinement
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 abstract 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 abstract 1
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000013598 vector Substances 0.000 abstract 1
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
- H04N19/10—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
- H04N19/50—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
- H04N19/513—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
- H04N19/10—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
- H04N19/136—Incoming video signal characteristics or properties
-
- 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
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence 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
- H04N19/10—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
-
- 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
- H04N19/577—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
- H04N19/90—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
- H04N19/96—Tree coding, e.g. quad-tree coding
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 |
|---|---|---|---|
| US201962849352P | 2019-05-17 | 2019-05-17 | |
| US16/874,057 US11317088B2 (en) | 2019-05-17 | 2020-05-14 | Gradient-based prediction refinement for video coding |
| PCT/US2020/033091 WO2020236568A1 (en) | 2019-05-17 | 2020-05-15 | Gradient-based prediction refinement for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021022331A2 true BR112021022331A2 (pt) | 2021-12-28 |
Family
ID=73230856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021022331A BR112021022331A2 (pt) | 2019-05-17 | 2020-05-15 | Refinamento de predição baseado em gradiente para codificação de vídeo |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US11317088B2 (https=) |
| EP (1) | EP3970370A1 (https=) |
| JP (2) | JP7691936B2 (https=) |
| KR (1) | KR20220009384A (https=) |
| CN (1) | CN113950839B (https=) |
| BR (1) | BR112021022331A2 (https=) |
| CA (1) | CA3137462A1 (https=) |
| CO (1) | CO2021015352A2 (https=) |
| IL (1) | IL287257B2 (https=) |
| MX (1) | MX2021014018A (https=) |
| SG (1) | SG11202111550WA (https=) |
| TW (1) | TWI904088B (https=) |
| WO (1) | WO2020236568A1 (https=) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10609423B2 (en) * | 2016-09-07 | 2020-03-31 | Qualcomm Incorporated | Tree-type coding for video coding |
| US11962796B2 (en) | 2019-04-01 | 2024-04-16 | Qualcomm Incorporated | Gradient-based prediction refinement for video coding |
| JP2021048514A (ja) * | 2019-09-19 | 2021-03-25 | シャープ株式会社 | 動画像符号化装置、動画像復号装置、予測画像生成方法 |
| WO2021054886A1 (en) * | 2019-09-20 | 2021-03-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods of video encoding and/or decoding with bidirectional optical flow simplification on shift operations and related apparatus |
| US20220337865A1 (en) * | 2019-09-23 | 2022-10-20 | Sony Group Corporation | Image processing device and image processing method |
| WO2022197137A1 (ko) * | 2021-03-19 | 2022-09-22 | 현대자동차주식회사 | 성분별 적응적 공간해상도를 갖는 움직임벡터를 이용하는 비디오 코딩방법 및 장치 |
| JP2024511887A (ja) * | 2021-04-02 | 2024-03-15 | ヒョンダイ モーター カンパニー | 適応的イントラ予測精度を用いるビデオコーディング方法及び装置 |
| CN114079792A (zh) * | 2021-07-22 | 2022-02-22 | 珠海市杰理科技股份有限公司 | 视频编码参考块的压缩方法、编码方法和装置 |
| KR20250093492A (ko) * | 2022-10-21 | 2025-06-24 | 인터디지털 씨이 페이튼트 홀딩스, 에스에이에스 | 낮은 복잡성 모션 정제 |
| CN121844566A (zh) * | 2023-09-13 | 2026-04-10 | 三星电子株式会社 | 用于通过使用帧内预测对图像进行编码和解码的设备和方法 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9325991B2 (en) * | 2012-04-11 | 2016-04-26 | Qualcomm Incorporated | Motion vector rounding |
| US10015515B2 (en) * | 2013-06-21 | 2018-07-03 | Qualcomm Incorporated | Intra prediction from a predictive block |
| US9918105B2 (en) | 2014-10-07 | 2018-03-13 | Qualcomm Incorporated | Intra BC and inter unification |
| CN107925775A (zh) * | 2015-09-02 | 2018-04-17 | 联发科技股份有限公司 | 基于双向预测光流技术的视频编解码的运动补偿方法及装置 |
| JP2018533871A (ja) * | 2015-11-11 | 2018-11-15 | サムスン エレクトロニクス カンパニー リミテッド | ビデオ復号方法及びその装置、並びにビデオ符号化方法及びその装置 |
| EP3413563B1 (en) * | 2016-02-03 | 2026-02-18 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Moving image decoding device, moving image encoding device, and prediction image generation device |
| US10694204B2 (en) * | 2016-05-06 | 2020-06-23 | Vid Scale, Inc. | Systems and methods for motion compensated residual prediction |
| US10560712B2 (en) * | 2016-05-16 | 2020-02-11 | Qualcomm Incorporated | Affine motion prediction for video coding |
| GB2574733B (en) * | 2016-12-28 | 2020-05-06 | Arris Entpr Llc | Improved video bitstream coding |
| WO2018125972A1 (en) * | 2016-12-28 | 2018-07-05 | Arris Enterprises Llc | Adaptive unequal weight planar prediction |
| JP7036628B2 (ja) * | 2017-03-10 | 2022-03-15 | 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、符号化方法及び復号方法 |
| US10477237B2 (en) * | 2017-06-28 | 2019-11-12 | Futurewei Technologies, Inc. | Decoder side motion vector refinement in video coding |
| JP7168593B2 (ja) * | 2017-07-03 | 2022-11-09 | ヴィド スケール インコーポレイテッド | 双方向オプティカルフローに基づいた動き補償予測 |
| EP3643065A1 (en) * | 2017-07-24 | 2020-04-29 | ARRIS Enterprises LLC | Intra mode jvet coding |
| JP2021520710A (ja) * | 2018-04-06 | 2021-08-19 | ヴィド スケール インコーポレイテッド | 簡易化された勾配導出による双方向オプティカルフロー方法 |
| US10986343B2 (en) * | 2018-04-15 | 2021-04-20 | Arris Enterprises Llc | Reducing overhead for multiple-hypothesis temporal prediction |
| KR102635047B1 (ko) | 2018-09-19 | 2024-02-07 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용 |
| US11962796B2 (en) * | 2019-04-01 | 2024-04-16 | Qualcomm Incorporated | Gradient-based prediction refinement for video coding |
| KR20250143124A (ko) * | 2019-04-25 | 2025-09-30 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 광학 흐름에 의한 예측 미세화 방법 및 장치 |
-
2020
- 2020-05-14 US US16/874,057 patent/US11317088B2/en active Active
- 2020-05-15 KR KR1020217036507A patent/KR20220009384A/ko active Pending
- 2020-05-15 CN CN202080034608.XA patent/CN113950839B/zh active Active
- 2020-05-15 WO PCT/US2020/033091 patent/WO2020236568A1/en not_active Ceased
- 2020-05-15 EP EP20730522.8A patent/EP3970370A1/en active Pending
- 2020-05-15 IL IL287257A patent/IL287257B2/en unknown
- 2020-05-15 JP JP2021566995A patent/JP7691936B2/ja active Active
- 2020-05-15 SG SG11202111550WA patent/SG11202111550WA/en unknown
- 2020-05-15 CA CA3137462A patent/CA3137462A1/en active Pending
- 2020-05-15 TW TW109116300A patent/TWI904088B/zh active
- 2020-05-15 MX MX2021014018A patent/MX2021014018A/es unknown
- 2020-05-15 BR BR112021022331A patent/BR112021022331A2/pt unknown
-
2021
- 2021-11-16 CO CONC2021/0015352A patent/CO2021015352A2/es unknown
-
2025
- 2025-02-07 JP JP2025019182A patent/JP2025087703A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2025087703A (ja) | 2025-06-10 |
| US11317088B2 (en) | 2022-04-26 |
| EP3970370A1 (en) | 2022-03-23 |
| CN113950839B (zh) | 2025-06-13 |
| IL287257B1 (en) | 2024-04-01 |
| CA3137462A1 (en) | 2020-11-26 |
| KR20220009384A (ko) | 2022-01-24 |
| JP2022533061A (ja) | 2022-07-21 |
| CN113950839A (zh) | 2022-01-18 |
| CO2021015352A2 (es) | 2021-11-19 |
| US20200366889A1 (en) | 2020-11-19 |
| TW202101996A (zh) | 2021-01-01 |
| SG11202111550WA (en) | 2021-12-30 |
| MX2021014018A (es) | 2021-12-10 |
| JP7691936B2 (ja) | 2025-06-12 |
| WO2020236568A1 (en) | 2020-11-26 |
| IL287257B2 (en) | 2024-08-01 |
| TWI904088B (zh) | 2025-11-11 |
| IL287257A (en) | 2021-12-01 |
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