ZA202101992B - Bi-prediction for video coding - Google Patents
Bi-prediction for video codingInfo
- Publication number
- ZA202101992B ZA202101992B ZA2021/01992A ZA202101992A ZA202101992B ZA 202101992 B ZA202101992 B ZA 202101992B ZA 2021/01992 A ZA2021/01992 A ZA 2021/01992A ZA 202101992 A ZA202101992 A ZA 202101992A ZA 202101992 B ZA202101992 B ZA 202101992B
- Authority
- ZA
- South Africa
- Prior art keywords
- prediction
- bdof
- coding
- weights
- enabled
- 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
- H04N19/46—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
- H04N19/10—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
-
- 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
- H04N19/10—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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
-
- 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
- H04N19/50—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
- H04N19/70—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
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 |
|---|---|
| ZA202101992B true ZA202101992B (en) | 2023-10-25 |
Family
ID=69950792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2021/01992A ZA202101992B (en) | 2018-09-26 | 2021-03-24 | Bi-prediction for video coding |
Country Status (11)
| Country | Link |
|---|---|
| US (3) | US11553206B2 (https=) |
| EP (2) | EP4294009A3 (https=) |
| JP (4) | JP7398442B2 (https=) |
| KR (2) | KR20250167129A (https=) |
| CN (3) | CN118354078A (https=) |
| CA (1) | CA3114103A1 (https=) |
| PL (1) | PL3857886T3 (https=) |
| SG (1) | SG11202103016RA (https=) |
| TW (2) | TW202029755A (https=) |
| WO (1) | WO2020069076A1 (https=) |
| ZA (1) | ZA202101992B (https=) |
Families Citing this family (28)
| 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 |
| WO2020084461A1 (en) | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Restrictions on decoder side motion vector derivation based on coding information |
| CN112913241B (zh) | 2018-10-22 | 2024-03-26 | 北京字节跳动网络技术有限公司 | 解码器侧运动矢量推导的限制 |
| US12316870B2 (en) * | 2019-01-14 | 2025-05-27 | Interdigital Madison Patent Holdings, Sas | Method and apparatus for video encoding and decoding with bi-directional optical flow adapted to weighted prediction |
| CN121967699A (zh) | 2019-02-03 | 2026-05-01 | 北京字节跳动网络技术有限公司 | Mv精度和mv差编解码之间的相互作用 |
| CN121173966A (zh) | 2019-02-14 | 2025-12-19 | 北京字节跳动网络技术有限公司 | 解码器侧细化工具的选择性应用 |
| 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 |
| WO2020236723A1 (en) | 2019-05-19 | 2020-11-26 | Bytedance Inc. | Transform bypass coded residual blocks in digital video |
| WO2020233660A1 (en) | 2019-05-21 | 2020-11-26 | Beijing Bytedance Network Technology Co., Ltd. | Syntax-based motion candidate derivation in sub-block merge mode |
| JP7322277B2 (ja) | 2019-07-27 | 2023-08-07 | 北京字節跳動網絡技術有限公司 | 参照ピクチャタイプに従ったツールの使用制限 |
| EP3997869A4 (en) | 2019-08-10 | 2022-10-26 | Beijing Bytedance Network Technology Co., Ltd. | Subpicture dependent signaling in video bitstreams |
| CN114402591B (zh) | 2019-09-13 | 2024-08-02 | 北京字节跳动网络技术有限公司 | 并置运动矢量的推导 |
| EP4029245A4 (en) | 2019-10-12 | 2022-11-23 | Beijing Bytedance Network Technology Co., Ltd. | High level syntax for video coding tools |
| CN114631321B (zh) | 2019-10-18 | 2024-04-12 | 北京字节跳动网络技术有限公司 | 子图片与环路滤波之间的相互影响 |
| CN115280774B (zh) | 2019-12-02 | 2025-08-19 | 抖音视界有限公司 | 视觉媒体处理的方法、装置及非暂时性计算机可读存储介质 |
| EP4231642A1 (en) * | 2019-12-30 | 2023-08-23 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Inter-frame prediction method, encoder, decoder and storage medium |
| KR20220157950A (ko) | 2020-03-23 | 2022-11-29 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 어파인 머지 및 어파인 모션 벡터 예측 모드에 대한 예측 리파인먼트 |
| CN115606184B (zh) | 2020-04-01 | 2026-01-30 | 抖音视界有限公司 | 对量化参数增量的信令通知的控制 |
| CN115699742A (zh) | 2020-04-07 | 2023-02-03 | 抖音视界有限公司 | 子图片相关的语法元素的信令通知和推断 |
| WO2021204233A1 (en) | 2020-04-09 | 2021-10-14 | Beijing Bytedance Network Technology Co., Ltd. | Constraints on adaptation parameter set based on color format |
| WO2021204251A1 (en) | 2020-04-10 | 2021-10-14 | Beijing Bytedance Network Technology Co., Ltd. | Use of header syntax elements and adaptation parameter set |
| CN115868159A (zh) | 2020-04-17 | 2023-03-28 | 抖音视界有限公司 | 自适应参数集单元的存在 |
| CN115552802B (zh) | 2020-04-26 | 2025-05-16 | 字节跳动有限公司 | 加权预测信息的条件信令通知 |
| US11863774B2 (en) * | 2021-01-15 | 2024-01-02 | Tencent America LLC | Method and apparatus for video coding |
| US12231647B2 (en) * | 2021-11-30 | 2025-02-18 | Tencent America LLC | Scene transition detection based encoding methods for BCW |
| US12568241B2 (en) * | 2023-02-10 | 2026-03-03 | Tencent America LLC | Bi-prediction with CU level weight (BCW) |
| WO2025217039A1 (en) * | 2024-04-08 | 2025-10-16 | Bytedance Inc. | Method, apparatus, and medium for video processing |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8995527B2 (en) * | 2010-02-19 | 2015-03-31 | Qualcomm Incorporated | Block type signalling in video coding |
| US10362327B2 (en) | 2011-01-14 | 2019-07-23 | Sony Corporation | B-picture syntax change for generalized bi-prediction in high efficiency video coding (HEVC) |
| CN104904214A (zh) * | 2013-01-07 | 2015-09-09 | Vid拓展公司 | 用于可扩展视频编码的运动信息信令 |
| US20150016502A1 (en) * | 2013-07-15 | 2015-01-15 | Qualcomm Incorporated | Device and method for scalable coding of video information |
| EP4040791A1 (en) * | 2015-06-08 | 2022-08-10 | Vid Scale, Inc. | Intra block copy mode for screen content coding |
| EP3273692A4 (en) * | 2015-06-10 | 2018-04-04 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding or decoding image using syntax signaling for adaptive weight prediction |
| 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 |
| US20170150176A1 (en) * | 2015-11-25 | 2017-05-25 | Qualcomm Incorporated | Linear-model prediction with non-square prediction units in video coding |
| EP4661401A3 (en) * | 2016-02-03 | 2026-02-25 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Moving image decoding device, moving image coding device, and prediction image generation device |
| US11363253B2 (en) * | 2016-05-13 | 2022-06-14 | Vid Scale, Inc. | Systems and methods for generalized multi-hypothesis prediction for video coding |
| WO2018037919A1 (ja) | 2016-08-26 | 2018-03-01 | シャープ株式会社 | 画像復号装置、画像符号化装置、画像復号方法、および画像符号化方法 |
| 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) |
| CN118741140A (zh) | 2018-01-24 | 2024-10-01 | 交互数字Vc控股公司 | 用于具有降低的译码复杂性的视频译码的广义双预测 |
| 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
- 2019-09-25 TW TW114108514A patent/TW202533573A/zh unknown
- 2019-09-26 US US17/280,175 patent/US11553206B2/en active Active
- 2019-09-26 JP JP2021516970A patent/JP7398442B2/ja active Active
- 2019-09-26 PL PL19783923.6T patent/PL3857886T3/pl unknown
- 2019-09-26 EP EP23207616.6A patent/EP4294009A3/en active Pending
- 2019-09-26 SG SG11202103016RA patent/SG11202103016RA/en unknown
- 2019-09-26 WO PCT/US2019/053088 patent/WO2020069076A1/en not_active Ceased
- 2019-09-26 CN CN202410417345.0A patent/CN118354078A/zh active Pending
- 2019-09-26 CN CN201980063042.0A patent/CN112806005B/zh active Active
- 2019-09-26 EP EP19783923.6A patent/EP3857886B1/en active Active
- 2019-09-26 CA CA3114103A patent/CA3114103A1/en active Pending
- 2019-09-26 KR KR1020257038399A patent/KR20250167129A/ko active Pending
- 2019-09-26 CN CN202410417176.0A patent/CN118368426A/zh active Pending
- 2019-09-26 KR KR1020217009221A patent/KR102901209B1/ko active Active
-
2021
- 2021-03-24 ZA ZA2021/01992A patent/ZA202101992B/en unknown
-
2023
- 2023-01-09 US US18/094,515 patent/US12526450B2/en active Active
- 2023-12-04 JP JP2023204572A patent/JP2024023521A/ja not_active Ceased
-
2024
- 2024-12-19 JP JP2024224112A patent/JP7758840B2/ja active Active
-
2025
- 2025-10-09 JP JP2025171170A patent/JP2026004579A/ja active Pending
- 2025-12-11 US US19/416,143 patent/US20260101062A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20210077671A (ko) | 2021-06-25 |
| JP2025038173A (ja) | 2025-03-18 |
| PL3857886T3 (pl) | 2024-07-01 |
| JP2022502924A (ja) | 2022-01-11 |
| TW202533573A (zh) | 2025-08-16 |
| EP3857886B1 (en) | 2024-04-03 |
| CN118368426A (zh) | 2024-07-19 |
| KR102901209B1 (ko) | 2025-12-16 |
| JP2024023521A (ja) | 2024-02-21 |
| JP2026004579A (ja) | 2026-01-14 |
| EP4294009A2 (en) | 2023-12-20 |
| JP7758840B2 (ja) | 2025-10-22 |
| US20230179795A1 (en) | 2023-06-08 |
| SG11202103016RA (en) | 2021-04-29 |
| KR20250167129A (ko) | 2025-11-28 |
| US20260101062A1 (en) | 2026-04-09 |
| US20220007048A1 (en) | 2022-01-06 |
| CN112806005B (zh) | 2024-04-23 |
| WO2020069076A1 (en) | 2020-04-02 |
| US11553206B2 (en) | 2023-01-10 |
| EP3857886A1 (en) | 2021-08-04 |
| CA3114103A1 (en) | 2020-04-02 |
| CN118354078A (zh) | 2024-07-16 |
| US12526450B2 (en) | 2026-01-13 |
| CN112806005A (zh) | 2021-05-14 |
| EP4294009A3 (en) | 2024-02-28 |
| TW202029755A (zh) | 2020-08-01 |
| JP7398442B2 (ja) | 2023-12-14 |
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