CN118077195A - 视频编码中合并候选列表中改进的时间合并候选 - Google Patents

视频编码中合并候选列表中改进的时间合并候选 Download PDF

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Publication number
CN118077195A
CN118077195A CN202280063449.5A CN202280063449A CN118077195A CN 118077195 A CN118077195 A CN 118077195A CN 202280063449 A CN202280063449 A CN 202280063449A CN 118077195 A CN118077195 A CN 118077195A
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China
Prior art keywords
candidates
image
motion vector
motion
current
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Pending
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CN202280063449.5A
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English (en)
Chinese (zh)
Inventor
廖如伶
叶琰
陈杰
李新伟
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Alibaba Damo Institute Hangzhou Technology Co Ltd
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Alibaba Damo Institute Hangzhou Technology Co Ltd
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Publication of CN118077195A publication Critical patent/CN118077195A/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
    • H04N19/50—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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/10—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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202280063449.5A 2021-09-29 2022-09-28 视频编码中合并候选列表中改进的时间合并候选 Pending CN118077195A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163250208P 2021-09-29 2021-09-29
US63/250,208 2021-09-29
PCT/SG2022/050701 WO2023055298A2 (en) 2021-09-29 2022-09-28 Improved temporal merge candidates in merge candidate lists in video coding

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Publication Number Publication Date
CN118077195A true CN118077195A (zh) 2024-05-24

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Country Link
US (2) US12137208B2 (https=)
EP (1) EP4409882A4 (https=)
JP (1) JP2024533298A (https=)
KR (1) KR20240088912A (https=)
CN (1) CN118077195A (https=)
WO (1) WO2023055298A2 (https=)

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US12309357B2 (en) * 2019-09-20 2025-05-20 Interdigital Ce Patent Holdings, Sas Coding mode information propagation for video coding
US12022085B2 (en) * 2021-04-12 2024-06-25 Qualcomm Incorporated Template matching refinement in inter-prediction modes
WO2023132615A1 (ko) * 2022-01-04 2023-07-13 현대자동차주식회사 쌍 머지 후보들을 생성하여 머지 후보 리스트를 구성하는 비디오 부호화/복호화 방법 및 장치
US12413733B2 (en) * 2023-03-15 2025-09-09 Tencent America LLC Context-based adaptive binary arithmetic coding (CABAC) context modeling with information from temporal neighbors
WO2025214380A1 (en) * 2024-04-09 2025-10-16 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
KR20260041661A (ko) * 2024-09-20 2026-03-27 주식회사 케이티 영상 부호화/복호화 방법 및 압축된 비디오 데이터를 전송하기 위한 장치

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JP2004088722A (ja) * 2002-03-04 2004-03-18 Matsushita Electric Ind Co Ltd 動画像符号化方法および動画像復号化方法
GB2501836B (en) * 2011-03-09 2014-08-06 Canon Kk Video encoding
HUE070741T2 (hu) * 2011-12-16 2025-07-28 Jvckenwood Corp Dinamikus képkódoló eszköz, dinamikus képkódoló eljárás, dinamikus képkódoló program, dinamikus képdekódoló eszköz, dinamikus képdekódoló eljárás és dinamikus képdekódoló program
US9420286B2 (en) * 2012-06-15 2016-08-16 Qualcomm Incorporated Temporal motion vector prediction in HEVC and its extensions
KR20150090031A (ko) * 2012-11-27 2015-08-05 인텔렉추얼디스커버리 주식회사 깊이 정보를 이용한 부호화/복호화 방법 및 장치
US9930363B2 (en) * 2013-04-12 2018-03-27 Nokia Technologies Oy Harmonized inter-view and view synthesis prediction for 3D video coding
US10368083B2 (en) * 2016-02-15 2019-07-30 Qualcomm Incorporated Picture order count based motion vector pruning
CN116567220A (zh) * 2016-08-11 2023-08-08 Lx 半导体科技有限公司 图像编码/解码设备和图像数据的发送设备
US20180310017A1 (en) * 2017-04-21 2018-10-25 Mediatek Inc. Sub-prediction unit temporal motion vector prediction (sub-pu tmvp) for video coding
US10701393B2 (en) * 2017-05-10 2020-06-30 Mediatek Inc. Method and apparatus of reordering motion vector prediction candidate set for video coding
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US10645380B2 (en) * 2018-07-09 2020-05-05 Tencent America LLC Method and apparatus for video coding
CN113302918B (zh) * 2019-01-15 2025-01-17 北京字节跳动网络技术有限公司 视频编解码中的加权预测
WO2020147804A1 (en) * 2019-01-17 2020-07-23 Beijing Bytedance Network Technology Co., Ltd. Use of virtual candidate prediction and weighted prediction in video processing
WO2020173477A1 (en) * 2019-02-27 2020-09-03 Beijing Bytedance Network Technology Co., Ltd. Regression-based motion vector field based sub-block motion vector derivation

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Publication number Publication date
WO2023055298A3 (en) 2023-06-08
KR20240088912A (ko) 2024-06-20
EP4409882A2 (en) 2024-08-07
US20250024024A1 (en) 2025-01-16
EP4409882A4 (en) 2025-08-20
US20230115768A1 (en) 2023-04-13
US12137208B2 (en) 2024-11-05
WO2023055298A2 (en) 2023-04-06
JP2024533298A (ja) 2024-09-12

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