CN118354078A - 用于视频译码的双向预测 - Google Patents

用于视频译码的双向预测 Download PDF

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Publication number
CN118354078A
CN118354078A CN202410417345.0A CN202410417345A CN118354078A CN 118354078 A CN118354078 A CN 118354078A CN 202410417345 A CN202410417345 A CN 202410417345A CN 118354078 A CN118354078 A CN 118354078A
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China
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weight
current
prediction
bdof
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CN202410417345.0A
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English (en)
Chinese (zh)
Inventor
贺玉文
罗健康
修晓宇
叶艳
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InterDigital VC Holdings Inc
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Vid Scale Inc
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Publication of CN118354078A publication Critical patent/CN118354078A/zh
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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
    • H04N19/10—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
    • H04N19/46—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
    • H04N19/527—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
    • H04N19/50—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
    • H04N19/70—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202410417345.0A 2018-09-26 2019-09-26 用于视频译码的双向预测 Pending CN118354078A (zh)

Applications Claiming Priority (6)

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
CN201980063042.0A CN112806005B (zh) 2018-09-26 2019-09-26 用于视频译码的双向预测
PCT/US2019/053088 WO2020069076A1 (en) 2018-09-26 2019-09-26 Bi-prediction for video coding

Related Parent Applications (1)

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CN201980063042.0A Division CN112806005B (zh) 2018-09-26 2019-09-26 用于视频译码的双向预测

Publications (1)

Publication Number Publication Date
CN118354078A true CN118354078A (zh) 2024-07-16

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CN202410417345.0A Pending CN118354078A (zh) 2018-09-26 2019-09-26 用于视频译码的双向预测
CN201980063042.0A Active CN112806005B (zh) 2018-09-26 2019-09-26 用于视频译码的双向预测
CN202410417176.0A Pending CN118368426A (zh) 2018-09-26 2019-09-26 用于视频译码的双向预测

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CN201980063042.0A Active CN112806005B (zh) 2018-09-26 2019-09-26 用于视频译码的双向预测
CN202410417176.0A Pending CN118368426A (zh) 2018-09-26 2019-09-26 用于视频译码的双向预测

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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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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
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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
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
CA3114103A1 (en) 2020-04-02
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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Effective date of registration: 20240816

Address after: Delaware, USA

Applicant after: Interactive Digital VC Holdings

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Applicant before: VID SCALE, Inc.

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