SG11202103016RA - Bi-prediction for video coding - Google Patents
Bi-prediction for video codingInfo
- Publication number
- SG11202103016RA SG11202103016RA SG11202103016RA SG11202103016RA SG11202103016RA SG 11202103016R A SG11202103016R A SG 11202103016RA SG 11202103016R A SG11202103016R A SG 11202103016RA SG 11202103016R A SG11202103016R A SG 11202103016RA SG 11202103016R A SG11202103016R A SG 11202103016RA
- Authority
- SG
- Singapore
- Prior art keywords
- prediction
- video coding
- coding
- video
- 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
- H04N19/46—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
- H04N19/577—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
- H04N19/10—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
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- 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
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862736790P | 2018-09-26 | 2018-09-26 | |
| US201862786641P | 2018-12-31 | 2018-12-31 | |
| PCT/US2019/053088 WO2020069076A1 (en) | 2018-09-26 | 2019-09-26 | Bi-prediction for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202103016RA true SG11202103016RA (en) | 2021-04-29 |
Family
ID=69950792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202103016RA SG11202103016RA (en) | 2018-09-26 | 2019-09-26 | Bi-prediction for video coding |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US11553206B2 (zh) |
| EP (2) | EP3857886B1 (zh) |
| JP (2) | JP7398442B2 (zh) |
| KR (1) | KR20210077671A (zh) |
| CN (1) | CN112806005B (zh) |
| CA (1) | CA3114103A1 (zh) |
| SG (1) | SG11202103016RA (zh) |
| TW (1) | TW202029755A (zh) |
| WO (1) | WO2020069076A1 (zh) |
| ZA (1) | ZA202101992B (zh) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7450611B2 (ja) * | 2018-10-02 | 2024-03-15 | インターデジタル ヴイシー ホールディングス， インコーポレイテッド | 一般化された双予測および重み付き予測 |
| WO2020084465A1 (en) | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Simplified coding of generalized bi-directional index |
| CN113330747A (zh) * | 2019-01-14 | 2021-08-31 | 交互数字Vc控股公司 | 利用适应于加权预测的双向光流进行视频编码和解码的方法和装置 |
| US11190797B2 (en) * | 2019-03-01 | 2021-11-30 | Qualcomm Incorporated | Constraints on decoder-side motion vector refinement based on weights for bi-predicted prediction |
| SG11202112279WA (en) | 2019-05-11 | 2021-12-30 | Beijing Bytedance Network Technology Co Ltd | Selective use of coding tools in video processing |
| WO2020236719A2 (en) | 2019-05-19 | 2020-11-26 | Bytedance Inc. | Transform design for large blocks in video coding |
| KR20220009952A (ko) | 2019-05-21 | 2022-01-25 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 서브블록 머지 모드에서의 신택스 시그널링 |
| CN114175655B (zh) | 2019-07-27 | 2024-01-02 | 北京字节跳动网络技术有限公司 | 根据参考图片类型使用工具的限制 |
| KR20220073752A (ko) | 2019-10-12 | 2022-06-03 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 비디오 코딩 툴들을 위한 상위 레벨 신택스 |
| KR20220078600A (ko) | 2019-10-18 | 2022-06-10 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 서브픽처들의 파라미터 세트 시그널링에서의 신택스 제약들 |
| CN115606183A (zh) * | 2020-04-07 | 2023-01-13 | 抖音视界有限公司（Cn） | 参考图片环绕的剪裁操作 |
| CN115486064A (zh) | 2020-04-10 | 2022-12-16 | 抖音视界有限公司 | 标头语法元素和自适应参数集的使用 |
| WO2021209061A1 (en) | 2020-04-17 | 2021-10-21 | Beijing Bytedance Network Technology Co., Ltd. | Presence of adaptation parameter set units |
| KR20230002447A (ko) | 2020-04-26 | 2023-01-05 | 바이트댄스 아이엔씨 | 비디오 코딩 신택스 요소의 조건적 시그널링 |
| US11863774B2 (en) * | 2021-01-15 | 2024-01-02 | Tencent America LLC | Method and apparatus for video coding |
| US20230171405A1 (en) * | 2021-11-30 | 2023-06-01 | Tencent America LLC | Scene transition detection based encoding methods for bcw |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8995527B2 (en) * | 2010-02-19 | 2015-03-31 | Qualcomm Incorporated | Block type signalling in video coding |
| EP3304907B1 (en) * | 2015-06-08 | 2022-03-23 | VID SCALE, Inc. | Intra block copy mode for screen content coding |
| KR20180008445A (ko) | 2015-06-10 | 2018-01-24 | 삼성전자주식회사 | 적응적 가중치 예측을 위한 신택스 시그널링을 이용하여 영상을 부호화 또는 복호화하는 방법 및 장치 |
| US10271064B2 (en) * | 2015-06-11 | 2019-04-23 | Qualcomm Incorporated | Sub-prediction unit motion vector prediction using spatial and/or temporal motion information |
| CN106331703B (zh) * | 2015-07-03 | 2020-09-08 | 华为技术有限公司 | 视频编码和解码方法、视频编码和解码装置 |
| US10375413B2 (en) * | 2015-09-28 | 2019-08-06 | Qualcomm Incorporated | Bi-directional optical flow for video coding |
| US10200719B2 (en) * | 2015-11-25 | 2019-02-05 | Qualcomm Incorporated | Modification of transform coefficients for non-square transform units in video coding |
| CN108541375B (zh) * | 2016-02-03 | 2022-04-12 | 夏普株式会社 | 运动图像解码装置、运动图像编码装置、以及预测图像生成装置 |
| CN115118971A (zh) * | 2016-05-13 | 2022-09-27 | Vid拓展公司 | 用于视频编码的通用式多假设预测的系统及方法 |
| US20180060562A1 (en) * | 2016-09-01 | 2018-03-01 | Lenovo (Singapore) Pte. Ltd. | Systems and methods to permit an attempt at authentication using one or more forms of authentication |
| US10674165B2 (en) * | 2016-12-21 | 2020-06-02 | Arris Enterprises Llc | Constrained position dependent intra prediction combination (PDPC) |
| US10750203B2 (en) * | 2016-12-22 | 2020-08-18 | Mediatek Inc. | Method and apparatus of adaptive bi-prediction for video coding |
| US20180184101A1 (en) * | 2016-12-23 | 2018-06-28 | Apple Inc. | Coding Mode Selection For Predictive Video Coder/Decoder Systems In Low-Latency Communication Environments |
| US10931969B2 (en) * | 2017-01-04 | 2021-02-23 | Qualcomm Incorporated | Motion vector reconstructions for bi-directional optical flow (BIO) |
| US10701366B2 (en) * | 2017-02-21 | 2020-06-30 | Qualcomm Incorporated | Deriving motion vector information at a video decoder |
| WO2018173895A1 (ja) * | 2017-03-21 | 2018-09-27 | シャープ株式会社 | 予測画像生成装置、動画像復号装置、および動画像符号化装置 |
| US10904565B2 (en) * | 2017-06-23 | 2021-01-26 | Qualcomm Incorporated | Memory-bandwidth-efficient design for bi-directional optical flow (BIO) |
| WO2019223746A1 (en) * | 2018-05-23 | 2019-11-28 | Mediatek Inc. | Method and apparatus of video coding using bi-directional cu weight |
| WO2019234578A1 (en) * | 2018-06-05 | 2019-12-12 | Beijing Bytedance Network Technology Co., Ltd. | Asymmetric weighted bi-predictive merges |
-
2019
- 2019-09-25 TW TW108134563A patent/TW202029755A/zh unknown
- 2019-09-26 JP JP2021516970A patent/JP7398442B2/ja active Active
- 2019-09-26 WO PCT/US2019/053088 patent/WO2020069076A1/en unknown
- 2019-09-26 EP EP19783923.6A patent/EP3857886B1/en active Active
- 2019-09-26 CA CA3114103A patent/CA3114103A1/en active Pending
- 2019-09-26 EP EP23207616.6A patent/EP4294009A3/en active Pending
- 2019-09-26 US US17/280,175 patent/US11553206B2/en active Active
- 2019-09-26 SG SG11202103016RA patent/SG11202103016RA/en unknown
- 2019-09-26 CN CN201980063042.0A patent/CN112806005B/zh active Active
- 2019-09-26 KR KR1020217009221A patent/KR20210077671A/ko active Search and Examination
-
2021
- 2021-03-24 ZA ZA2021/01992A patent/ZA202101992B/en unknown
-
2023
- 2023-01-09 US US18/094,515 patent/US20230179795A1/en active Pending
- 2023-12-04 JP JP2023204572A patent/JP2024023521A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP7398442B2 (ja) | 2023-12-14 |
| CA3114103A1 (en) | 2020-04-02 |
| EP4294009A3 (en) | 2024-02-28 |
| EP3857886B1 (en) | 2024-04-03 |
| EP4294009A2 (en) | 2023-12-20 |
| WO2020069076A1 (en) | 2020-04-02 |
| US20230179795A1 (en) | 2023-06-08 |
| US20220007048A1 (en) | 2022-01-06 |
| EP3857886A1 (en) | 2021-08-04 |
| JP2022502924A (ja) | 2022-01-11 |
| CN112806005A (zh) | 2021-05-14 |
| ZA202101992B (en) | 2023-10-25 |
| TW202029755A (zh) | 2020-08-01 |
| US11553206B2 (en) | 2023-01-10 |
| CN112806005B (zh) | 2024-04-23 |
| JP2024023521A (ja) | 2024-02-21 |
| KR20210077671A (ko) | 2021-06-25 |
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