KR20220027173A - 비디오 인코딩 및 디코딩에서의 모션 벡터 예측 - Google Patents

비디오 인코딩 및 디코딩에서의 모션 벡터 예측 Download PDF

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KR20220027173A
KR20220027173A KR1020227002621A KR20227002621A KR20220027173A KR 20220027173 A KR20220027173 A KR 20220027173A KR 1020227002621 A KR1020227002621 A KR 1020227002621A KR 20227002621 A KR20227002621 A KR 20227002621A KR 20220027173 A KR20220027173 A KR 20220027173A
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프랑크 갈핀
파브리스 레레안넥
앙트와느 로버트
탄기 포이리어
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인터디지털 브이씨 홀딩스 프랑스 에스에이에스
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    • HELECTRICITY
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    • H04N19/184Methods 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 bits, e.g. of the compressed video stream
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KR1020227002621A 2019-06-25 2020-06-23 비디오 인코딩 및 디코딩에서의 모션 벡터 예측 Pending KR20220027173A (ko)

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EP19305833.6 2019-06-25
EP19305833 2019-06-25
PCT/EP2020/067497 WO2020260280A1 (en) 2019-06-25 2020-06-23 Motion vector prediction in video encoding and decoding

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US (2) US12526420B2 (https=)
EP (1) EP3991417A1 (https=)
JP (3) JP2022537746A (https=)
KR (1) KR20220027173A (https=)
CN (2) CN120263981A (https=)
BR (1) BR112021026310A2 (https=)
WO (1) WO2020260280A1 (https=)

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US11412243B2 (en) * 2018-12-07 2022-08-09 Sharp Kabushiki Kaisha Video decoding apparatus
US20250119565A1 (en) * 2023-10-06 2025-04-10 Qualcomm Incorporated Interaction between template matching-based local illumination compensation and a second merge list in video coding

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Publication number Priority date Publication date Assignee Title
US9060173B2 (en) 2011-06-30 2015-06-16 Sharp Kabushiki Kaisha Context initialization based on decoder picture buffer
US20140029670A1 (en) 2012-07-27 2014-01-30 Motorola Mobility Llc Devices and methods for processing of partition mode in high efficiency video coding
US10129550B2 (en) 2013-02-01 2018-11-13 Qualcomm Incorporated Inter-layer syntax prediction control
US9930363B2 (en) 2013-04-12 2018-03-27 Nokia Technologies Oy Harmonized inter-view and view synthesis prediction for 3D video coding
US10148977B2 (en) 2015-06-16 2018-12-04 Futurewei Technologies, Inc. Advanced coding techniques for high efficiency video coding (HEVC) screen content coding (SCC) extensions
US10560712B2 (en) 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
US20200288141A1 (en) 2017-10-03 2020-09-10 Nec Corporation Video coding device, video decoding device, video coding method, video decoding method, program and video system
GB2577318B (en) * 2018-09-21 2021-03-10 Canon Kk Video coding and decoding
KR20210069715A (ko) 2018-10-10 2021-06-11 인터디지털 브이씨 홀딩스 인코포레이티드 비디오 인코딩 및 디코딩의 아핀 모드 시그널링
WO2020085953A1 (en) 2018-10-25 2020-04-30 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for inter prediction
CN119743590A (zh) 2018-10-29 2025-04-01 华为技术有限公司 一种视频图像预测方法及装置
EP3857896A4 (en) * 2018-11-22 2021-12-01 Beijing Bytedance Network Technology Co. Ltd. COORDINATION PROCESS FOR INTER-PREDICTION BASED ON SUB-BLOCKS
CN113170181B (zh) * 2018-11-29 2023-12-08 北京字节跳动网络技术有限公司 块内拷贝模式中的仿射继承方法
CN116527930B (zh) * 2019-03-08 2025-12-19 知识产权之桥一号有限责任公司 图像编码装置、图像编码方法以及图像解码装置、图像解码方法
KR20220016839A (ko) * 2019-06-04 2022-02-10 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 기하학적 분할 모드 코딩을 갖는 모션 후보 리스트
JP7335365B2 (ja) * 2019-06-24 2023-08-29 エルジー エレクトロニクス インコーポレイティド 動きベクトル差分を利用した映像コーディング方法及び装置

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JP2026035769A (ja) 2026-03-04
CN114450951B (zh) 2025-04-01
US20230018401A1 (en) 2023-01-19
EP3991417A1 (en) 2022-05-04
JP2022537746A (ja) 2022-08-29
CN120263981A (zh) 2025-07-04
JP2025098127A (ja) 2025-07-01
WO2020260280A1 (en) 2020-12-30
BR112021026310A2 (pt) 2022-03-03
CN114450951A (zh) 2022-05-06
US20260101039A1 (en) 2026-04-09
US12526420B2 (en) 2026-01-13

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