CA3114103A1 - Bi-prediction for video coding - Google Patents

Bi-prediction for video coding Download PDF

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Publication number
CA3114103A1
CA3114103A1 CA3114103A CA3114103A CA3114103A1 CA 3114103 A1 CA3114103 A1 CA 3114103A1 CA 3114103 A CA3114103 A CA 3114103A CA 3114103 A CA3114103 A CA 3114103A CA 3114103 A1 CA3114103 A1 CA 3114103A1
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CA
Canada
Prior art keywords
prediction
weights
current
weight
bdof
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3114103A
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English (en)
French (fr)
Inventor
Yuwen He
Jiancong Luo
Xiaoyu XIU
Yan Ye
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vid Scale Inc
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Vid Scale Inc
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Filing date
Publication date
Application filed by Vid Scale Inc filed Critical Vid Scale Inc
Publication of CA3114103A1 publication Critical patent/CA3114103A1/en
Pending legal-status Critical Current

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    • 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
    • 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)
CA3114103A 2018-09-26 2019-09-26 Bi-prediction for video coding Pending CA3114103A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862736790P 2018-09-26 2018-09-26
US62/736,790 2018-09-26
US201862786641P 2018-12-31 2018-12-31
US62/786,641 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
CA3114103A1 true CA3114103A1 (en) 2020-04-02

Family

ID=69950792

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3114103A Pending CA3114103A1 (en) 2018-09-26 2019-09-26 Bi-prediction for video coding

Country Status (11)

Country Link
US (3) US11553206B2 (https=)
EP (2) EP4294009A3 (https=)
JP (4) JP7398442B2 (https=)
KR (2) KR102901209B1 (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=)

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CN117880513A (zh) 2018-10-22 2024-04-12 北京字节跳动网络技术有限公司 基于编解码信息的解码器侧运动矢量推导的限制
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CN121309818A (zh) 2019-02-14 2026-01-09 北京字节跳动网络技术有限公司 基于处理参数的解码器侧运动推导
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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
CN121173953A (zh) * 2019-12-30 2025-12-19 Oppo广东移动通信有限公司 帧间预测方法、编码器、解码器及存储介质
WO2021190464A1 (en) 2020-03-23 2021-09-30 Beijing Bytedance Network Technology Co., Ltd. Controlling deblocking filtering at different levels in coded video
CN115428444B (zh) 2020-04-01 2025-01-17 抖音视界有限公司 对自适应参数集语法元素的约束
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
EP4118825A4 (en) 2020-04-09 2023-08-09 Beijing Bytedance Network Technology Co., Ltd. DEBLOCK SIGNALING IN VIDEO CODING
WO2021204251A1 (en) 2020-04-10 2021-10-14 Beijing Bytedance Network Technology Co., Ltd. Use of header syntax elements and adaptation parameter set
WO2021209061A1 (en) 2020-04-17 2021-10-21 Beijing Bytedance Network Technology Co., Ltd. Presence of adaptation parameter set units
KR102917555B1 (ko) 2020-04-26 2026-01-23 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
US12231647B2 (en) * 2021-11-30 2025-02-18 Tencent America LLC Scene transition detection based encoding methods for BCW
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Publication number Publication date
JP2025038173A (ja) 2025-03-18
JP2026004579A (ja) 2026-01-14
JP7398442B2 (ja) 2023-12-14
US20260101062A1 (en) 2026-04-09
EP4294009A2 (en) 2023-12-20
SG11202103016RA (en) 2021-04-29
EP3857886B1 (en) 2024-04-03
KR20210077671A (ko) 2021-06-25
EP4294009A3 (en) 2024-02-28
EP3857886A1 (en) 2021-08-04
US20230179795A1 (en) 2023-06-08
TW202533573A (zh) 2025-08-16
CN118354078A (zh) 2024-07-16
KR20250167129A (ko) 2025-11-28
ZA202101992B (en) 2023-10-25
JP2024023521A (ja) 2024-02-21
CN112806005A (zh) 2021-05-14
US12526450B2 (en) 2026-01-13
US11553206B2 (en) 2023-01-10
KR102901209B1 (ko) 2025-12-16
JP2022502924A (ja) 2022-01-11
WO2020069076A1 (en) 2020-04-02
JP7758840B2 (ja) 2025-10-22
TW202029755A (zh) 2020-08-01
CN118368426A (zh) 2024-07-19
CN112806005B (zh) 2024-04-23
US20220007048A1 (en) 2022-01-06
PL3857886T3 (pl) 2024-07-01

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