KR20250167129A - 비디오 코딩을 위한 양방향 예측 - Google Patents

비디오 코딩을 위한 양방향 예측

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Publication number
KR20250167129A
KR20250167129A KR1020257038399A KR20257038399A KR20250167129A KR 20250167129 A KR20250167129 A KR 20250167129A KR 1020257038399 A KR1020257038399 A KR 1020257038399A KR 20257038399 A KR20257038399 A KR 20257038399A KR 20250167129 A KR20250167129 A KR 20250167129A
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KR
South Korea
Prior art keywords
weights
prediction
bcw
weight
coding
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
KR1020257038399A
Other languages
English (en)
Korean (ko)
Inventor
유웬 헤
지안콩 루오
샤오유 시우
얀 예
Original Assignee
인터디지털 브이씨 홀딩스 인코포레이티드
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Publication of KR20250167129A publication Critical patent/KR20250167129A/ko
Pending legal-status Critical Current

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
    • H04N19/10—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020257038399A 2018-09-26 2019-09-26 비디오 코딩을 위한 양방향 예측 Pending KR20250167129A (ko)

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
PCT/US2019/053088 WO2020069076A1 (en) 2018-09-26 2019-09-26 Bi-prediction for video coding
KR1020217009221A KR102901209B1 (ko) 2018-09-26 2019-09-26 비디오 코딩을 위한 양방향 예측

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020217009221A Division KR102901209B1 (ko) 2018-09-26 2019-09-26 비디오 코딩을 위한 양방향 예측

Publications (1)

Publication Number Publication Date
KR20250167129A true KR20250167129A (ko) 2025-11-28

Family

ID=69950792

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020257038399A Pending KR20250167129A (ko) 2018-09-26 2019-09-26 비디오 코딩을 위한 양방향 예측
KR1020217009221A Active KR102901209B1 (ko) 2018-09-26 2019-09-26 비디오 코딩을 위한 양방향 예측

Family Applications After (1)

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KR1020217009221A Active KR102901209B1 (ko) 2018-09-26 2019-09-26 비디오 코딩을 위한 양방향 예측

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=)

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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
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
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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
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
ZA202101992B (en) 2023-10-25
JP7398442B2 (ja) 2023-12-14

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