BR112021015658A2 - Restrições no refinamento de vetor de movimento no lado do decodificador - Google Patents
Restrições no refinamento de vetor de movimento no lado do decodificador Download PDFInfo
- Publication number
- BR112021015658A2 BR112021015658A2 BR112021015658-5A BR112021015658A BR112021015658A2 BR 112021015658 A2 BR112021015658 A2 BR 112021015658A2 BR 112021015658 A BR112021015658 A BR 112021015658A BR 112021015658 A2 BR112021015658 A2 BR 112021015658A2
- Authority
- BR
- Brazil
- Prior art keywords
- prediction
- motion vector
- current block
- video
- motion vectors
- 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
- H04N19/577—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
- H04N19/44—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
- H04N19/10—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
- H04N19/46—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962812828P | 2019-03-01 | 2019-03-01 | |
| US62/812,828 | 2019-03-01 | ||
| US16/803,520 US11190797B2 (en) | 2019-03-01 | 2020-02-27 | Constraints on decoder-side motion vector refinement based on weights for bi-predicted prediction |
| US16/803,520 | 2020-02-27 | ||
| PCT/US2020/020392 WO2020180685A1 (en) | 2019-03-01 | 2020-02-28 | Constraints on decoder-side motion vector refinement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021015658A2 true BR112021015658A2 (pt) | 2021-10-05 |
Family
ID=72236396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021015658-5A BR112021015658A2 (pt) | 2019-03-01 | 2020-02-28 | Restrições no refinamento de vetor de movimento no lado do decodificador |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11190797B2 (https=) |
| EP (1) | EP3932068A1 (https=) |
| JP (1) | JP7507166B2 (https=) |
| KR (1) | KR102662462B1 (https=) |
| CN (1) | CN113678452B (https=) |
| BR (1) | BR112021015658A2 (https=) |
| SG (1) | SG11202108316QA (https=) |
| TW (1) | TWI856066B (https=) |
| WO (1) | WO2020180685A1 (https=) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2019293670B2 (en) | 2018-06-29 | 2023-06-08 | Beijing Bytedance Network Technology Co., Ltd. | Update of look up table: FIFO, constrained FIFO |
| KR20240005239A (ko) | 2018-06-29 | 2024-01-11 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | Lut와 amvp 사이의 상호작용 |
| MX392418B (es) | 2018-06-29 | 2025-03-24 | Beijing Bytedance Network Tech Co Ltd | Poda parcial/total cuando se añade un candidato a hmvp para fusión/amvp. |
| WO2020143741A1 (en) * | 2019-01-10 | 2020-07-16 | Beijing Bytedance Network Technology Co., Ltd. | Invoke of lut updating |
| WO2020147773A1 (en) | 2019-01-16 | 2020-07-23 | Beijing Bytedance Network Technology Co., Ltd. | Inserting order of motion candidates in lut |
| WO2020177684A1 (en) * | 2019-03-03 | 2020-09-10 | Beijing Bytedance Network Technology Co., Ltd. | Enabling dmvr based on the information in the picture header |
| CN120529070A (zh) * | 2019-03-07 | 2025-08-22 | 数字洞察力有限公司 | 图像编码/解码方法和传输比特流的方法 |
| CN113557740B (zh) | 2019-03-08 | 2025-10-31 | 夏普株式会社 | 运动图像解码装置、运动图像编码装置以及运动图像解码方法 |
| CN113615193B (zh) | 2019-03-22 | 2024-06-25 | 北京字节跳动网络技术有限公司 | Merge列表构建和其他工具之间的交互 |
| EP4697720A3 (en) * | 2019-06-14 | 2026-04-29 | LG Electronics Inc. | Image decoding method and device for deriving weight index information for generation of prediction sample |
| WO2020256405A1 (ko) * | 2019-06-17 | 2020-12-24 | 한국전자통신연구원 | 화면 내 블록 복사 기반 부호화/복호화 방법, 장치 및 비트스트림 저장매체 |
| US11399188B2 (en) * | 2020-01-01 | 2022-07-26 | Tencent America LLC | Method for mixed NAL unit type support in a coded picture |
| US11936899B2 (en) * | 2021-03-12 | 2024-03-19 | Lemon Inc. | Methods and systems for motion candidate derivation |
| US11671616B2 (en) | 2021-03-12 | 2023-06-06 | Lemon Inc. | Motion candidate derivation |
| US12219166B2 (en) | 2021-03-12 | 2025-02-04 | Lemon Inc. | Motion candidate derivation with search order and coding mode |
| CN117337567A (zh) * | 2021-04-21 | 2024-01-02 | 抖音视界有限公司 | 用于视频处理的方法、设备和介质 |
| US12212736B2 (en) * | 2021-06-30 | 2025-01-28 | Qualcomm Incorporated | Using unrefined motion vectors for performing decoder-side motion vector derivation |
| US12108076B2 (en) * | 2021-11-01 | 2024-10-01 | Tencent America LLC | Index reordering of bi-prediction with CU-level weight (BCW) by using template-matching |
| WO2023131248A1 (en) * | 2022-01-05 | 2023-07-13 | Beijing Bytedance Network Technology Co., Ltd. | Method, apparatus, and medium for video processing |
| KR20240134300A (ko) * | 2022-01-09 | 2024-09-09 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
| KR20240137016A (ko) * | 2022-01-13 | 2024-09-19 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
| WO2023171912A1 (ko) * | 2022-03-07 | 2023-09-14 | 현대자동차주식회사 | 비디오 프레임 경계에서의 예측블록 생성 |
| US20250211779A1 (en) * | 2022-03-31 | 2025-06-26 | Mediatek Inc. | Bilateral template with multipass decoder side motion vector refinement |
| EP4606112A1 (en) * | 2022-10-20 | 2025-08-27 | Douyin Vision Co., Ltd. | Method, apparatus, and medium for video processing |
| CN120548704A (zh) * | 2023-01-20 | 2025-08-26 | Oppo广东移动通信有限公司 | 编解码方法、码流、编码器、解码器以及存储介质 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4060992B1 (en) * | 2016-05-13 | 2025-07-02 | InterDigital VC Holdings, Inc. | Systems and methods for generalized multi-hypothesis prediction for video coding |
| CN105939475A (zh) * | 2016-06-06 | 2016-09-14 | 中国矿业大学 | 一种高质量边信息生成方法 |
| US10750203B2 (en) * | 2016-12-22 | 2020-08-18 | Mediatek Inc. | Method and apparatus of adaptive bi-prediction for video coding |
| US12063387B2 (en) * | 2017-01-05 | 2024-08-13 | Hfi Innovation Inc. | Decoder-side motion vector restoration for video coding |
| US10701366B2 (en) * | 2017-02-21 | 2020-06-30 | Qualcomm Incorporated | Deriving motion vector information at a video decoder |
| US10701391B2 (en) * | 2017-03-23 | 2020-06-30 | Qualcomm Incorporated | Motion vector difference (MVD) prediction |
| US10602180B2 (en) | 2017-06-13 | 2020-03-24 | Qualcomm Incorporated | Motion vector prediction |
| EP4351140A1 (en) * | 2018-06-07 | 2024-04-10 | Beijing Bytedance Network Technology Co., Ltd. | Partial cost calculation |
| TWI719519B (zh) * | 2018-07-02 | 2021-02-21 | 大陸商北京字節跳動網絡技術有限公司 | 對於dmvr的塊尺寸限制 |
| TW202029755A (zh) * | 2018-09-26 | 2020-08-01 | 美商Ｖｉｄ衡器股份有限公司 | 視訊編碼雙預測 |
| CN112913240B (zh) * | 2018-10-22 | 2024-08-06 | 北京字节跳动网络技术有限公司 | 解码器侧运动矢量推导和其他编解码工具之间的并置 |
| US11153590B2 (en) * | 2019-01-11 | 2021-10-19 | Tencent America LLC | Method and apparatus for video coding |
| US11140409B2 (en) * | 2019-03-22 | 2021-10-05 | Lg Electronics Inc. | DMVR and BDOF based inter prediction method and apparatus thereof |
| US11039150B2 (en) * | 2019-04-19 | 2021-06-15 | Tencent America LLC | Method and apparatus for video coding |
-
2020
- 2020-02-27 US US16/803,520 patent/US11190797B2/en active Active
- 2020-02-28 KR KR1020217027205A patent/KR102662462B1/ko active Active
- 2020-02-28 CN CN202080016719.8A patent/CN113678452B/zh active Active
- 2020-02-28 BR BR112021015658-5A patent/BR112021015658A2/pt unknown
- 2020-02-28 SG SG11202108316QA patent/SG11202108316QA/en unknown
- 2020-02-28 JP JP2021549850A patent/JP7507166B2/ja active Active
- 2020-02-28 EP EP20714428.8A patent/EP3932068A1/en active Pending
- 2020-02-28 WO PCT/US2020/020392 patent/WO2020180685A1/en not_active Ceased
- 2020-03-02 TW TW109106792A patent/TWI856066B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3932068A1 (en) | 2022-01-05 |
| TWI856066B (zh) | 2024-09-21 |
| SG11202108316QA (en) | 2021-09-29 |
| US11190797B2 (en) | 2021-11-30 |
| TW202041002A (zh) | 2020-11-01 |
| JP2022521979A (ja) | 2022-04-13 |
| WO2020180685A1 (en) | 2020-09-10 |
| KR20210130154A (ko) | 2021-10-29 |
| CN113678452A (zh) | 2021-11-19 |
| CN113678452B (zh) | 2024-09-13 |
| JP7507166B2 (ja) | 2024-06-27 |
| US20200280736A1 (en) | 2020-09-03 |
| KR102662462B1 (ko) | 2024-04-30 |
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