TWI856066B - 解碼器側運動向量精緻化之限制 - Google Patents
解碼器側運動向量精緻化之限制 Download PDFInfo
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- TWI856066B TWI856066B TW109106792A TW109106792A TWI856066B TW I856066 B TWI856066 B TW I856066B TW 109106792 A TW109106792 A TW 109106792A TW 109106792 A TW109106792 A TW 109106792A TW I856066 B TWI856066 B TW I856066B
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- 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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- 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
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- 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
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- 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
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- 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
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- H—ELECTRICITY
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962812828P | 2019-03-01 | 2019-03-01 | |
| US62/812,828 | 2019-03-01 | ||
| US16/803,520 | 2020-02-27 | ||
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW202041002A TW202041002A (zh) | 2020-11-01 |
| TWI856066B true TWI856066B (zh) | 2024-09-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW109106792A TWI856066B (zh) | 2019-03-01 | 2020-03-02 | 解碼器側運動向量精緻化之限制 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11190797B2 (enExample) |
| EP (1) | EP3932068A1 (enExample) |
| JP (1) | JP7507166B2 (enExample) |
| KR (1) | KR102662462B1 (enExample) |
| CN (1) | CN113678452B (enExample) |
| BR (1) | BR112021015658A2 (enExample) |
| SG (1) | SG11202108316QA (enExample) |
| TW (1) | TWI856066B (enExample) |
| WO (1) | WO2020180685A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG11202013028PA (en) | 2018-06-29 | 2021-01-28 | Beijing Bytedance Network Technology Co Ltd | Interaction between lut and amvp |
| JP7275286B2 (ja) * | 2019-01-10 | 2023-05-17 | 北京字節跳動網絡技術有限公司 | Lut更新の起動 |
| CN113545076A (zh) * | 2019-03-03 | 2021-10-22 | 北京字节跳动网络技术有限公司 | 基于图片头中的信息启用bio |
| KR20210127709A (ko) * | 2019-03-07 | 2021-10-22 | 디지털인사이트 주식회사 | 영상 부호화/복호화 방법 및 장치 |
| US12069287B2 (en) | 2019-03-08 | 2024-08-20 | Sharp Kabushiki Kaisha | Video decoding apparatus |
| 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 |
| AU2020293843B2 (en) * | 2019-06-14 | 2023-12-07 | Lg Electronics Inc. | Image decoding method and device for deriving weight index information for generation of prediction sample |
| EP3985968A4 (en) * | 2019-06-17 | 2023-05-24 | Electronics and Telecommunications Research Institute | Intra block copy-based encoding/decoding method, device, and bitstream storage medium |
| US11399188B2 (en) * | 2020-01-01 | 2022-07-26 | Tencent America LLC | Method for mixed NAL unit type support in a coded picture |
| US11671616B2 (en) | 2021-03-12 | 2023-06-06 | Lemon Inc. | Motion candidate derivation |
| US11936899B2 (en) * | 2021-03-12 | 2024-03-19 | Lemon Inc. | Methods and systems for motion candidate derivation |
| US12219166B2 (en) | 2021-03-12 | 2025-02-04 | Lemon Inc. | Motion candidate derivation with search order and coding mode |
| 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 |
| CN118765502A (zh) * | 2022-01-05 | 2024-10-11 | 抖音视界有限公司 | 用于视频处理的方法、装置及介质 |
| KR20240134300A (ko) * | 2022-01-09 | 2024-09-09 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
| EP4465634A1 (en) * | 2022-01-13 | 2024-11-20 | LG Electronics Inc. | Image encoding/decoding method and apparatus, and recording medium having bitstream stored thereon |
| 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 |
| WO2024083197A1 (en) * | 2022-10-20 | 2024-04-25 | Douyin Vision Co., Ltd. | Method, apparatus, and medium for video processing |
| WO2024152385A1 (zh) * | 2023-01-20 | 2024-07-25 | 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US20180241998A1 (en) * | 2017-02-21 | 2018-08-23 | Qualcomm Incorporated | Deriving motion vector information at a video decoder |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017197146A1 (en) * | 2016-05-13 | 2017-11-16 | Vid Scale, Inc. | Systems and methods for generalized multi-hypothesis prediction for video coding |
| 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 |
| 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 |
| GB2589222B (en) * | 2018-06-07 | 2023-01-25 | Beijing Bytedance Network Tech Co Ltd | Sub-block DMVR |
| 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 WO PCT/US2020/020392 patent/WO2020180685A1/en not_active Ceased
- 2020-02-28 BR BR112021015658-5A patent/BR112021015658A2/pt unknown
- 2020-02-28 EP EP20714428.8A patent/EP3932068A1/en active Pending
- 2020-02-28 KR KR1020217027205A patent/KR102662462B1/ko active Active
- 2020-02-28 JP JP2021549850A patent/JP7507166B2/ja active Active
- 2020-02-28 CN CN202080016719.8A patent/CN113678452B/zh active Active
- 2020-02-28 SG SG11202108316QA patent/SG11202108316QA/en unknown
- 2020-03-02 TW TW109106792A patent/TWI856066B/zh active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US20180241998A1 (en) * | 2017-02-21 | 2018-08-23 | Qualcomm Incorporated | Deriving motion vector information at a video decoder |
Non-Patent Citations (1)
| Title |
|---|
| 網路文獻 Chih-Wei Hsu, Ching-Yeh Chen, Tzu-Der Chuang, Han Huang, Shih-Ta Hsiang, Chun-Chia Chen, Man-Shu Chiang, Chen-Yen Lai, Chia-Ming Tsai, Yu-Chi Su, Zhi-Yi Lin, Yu-Ling Hsiao, Jan Klopp, I-Hsiang Wang, Yu-Wen Huang, Shaw-Min Lei, Description of SDR video coding technology proposal by MediaTek, Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11, Document: JVET-J0018 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102662462B1 (ko) | 2024-04-30 |
| JP2022521979A (ja) | 2022-04-13 |
| SG11202108316QA (en) | 2021-09-29 |
| US11190797B2 (en) | 2021-11-30 |
| WO2020180685A1 (en) | 2020-09-10 |
| CN113678452B (zh) | 2024-09-13 |
| KR20210130154A (ko) | 2021-10-29 |
| CN113678452A (zh) | 2021-11-19 |
| JP7507166B2 (ja) | 2024-06-27 |
| BR112021015658A2 (pt) | 2021-10-05 |
| EP3932068A1 (en) | 2022-01-05 |
| US20200280736A1 (en) | 2020-09-03 |
| TW202041002A (zh) | 2020-11-01 |
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