KR20220009384A - 비디오 코딩을 위한 그래디언트 기반 예측 정세화 - Google Patents

비디오 코딩을 위한 그래디언트 기반 예측 정세화 Download PDF

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KR20220009384A
KR20220009384A KR1020217036507A KR20217036507A KR20220009384A KR 20220009384 A KR20220009384 A KR 20220009384A KR 1020217036507 A KR1020217036507 A KR 1020217036507A KR 20217036507 A KR20217036507 A KR 20217036507A KR 20220009384 A KR20220009384 A KR 20220009384A
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prediction
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한 황
웨이-정 치엔
마르타 카르체비츠
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퀄컴 인코포레이티드
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    • H—ELECTRICITY
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    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
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    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence 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
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    • 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
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    • 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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
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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
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    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • H—ELECTRICITY
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    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217036507A 2019-05-17 2020-05-15 비디오 코딩을 위한 그래디언트 기반 예측 정세화 Pending KR20220009384A (ko)

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Application Number Priority Date Filing Date Title
US201962849352P 2019-05-17 2019-05-17
US62/849,352 2019-05-17
US16/874,057 2020-05-14
US16/874,057 US11317088B2 (en) 2019-05-17 2020-05-14 Gradient-based prediction refinement for video coding
PCT/US2020/033091 WO2020236568A1 (en) 2019-05-17 2020-05-15 Gradient-based prediction refinement for video coding

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KR20220009384A true KR20220009384A (ko) 2022-01-24

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US (1) US11317088B2 (https=)
EP (1) EP3970370A1 (https=)
JP (2) JP7691936B2 (https=)
KR (1) KR20220009384A (https=)
CN (1) CN113950839B (https=)
BR (1) BR112021022331A2 (https=)
CA (1) CA3137462A1 (https=)
CO (1) CO2021015352A2 (https=)
IL (1) IL287257B2 (https=)
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WO2025058213A1 (ko) * 2023-09-13 2025-03-20 삼성전자 주식회사 인트라 예측을 이용하여 영상을 부호화 및 복호화하는 장치, 및 방법

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US10609423B2 (en) * 2016-09-07 2020-03-31 Qualcomm Incorporated Tree-type coding for video coding
US11962796B2 (en) 2019-04-01 2024-04-16 Qualcomm Incorporated Gradient-based prediction refinement for video coding
JP2021048514A (ja) * 2019-09-19 2021-03-25 シャープ株式会社 動画像符号化装置、動画像復号装置、予測画像生成方法
WO2021054886A1 (en) * 2019-09-20 2021-03-25 Telefonaktiebolaget Lm Ericsson (Publ) Methods of video encoding and/or decoding with bidirectional optical flow simplification on shift operations and related apparatus
US20220337865A1 (en) * 2019-09-23 2022-10-20 Sony Group Corporation Image processing device and image processing method
WO2022197137A1 (ko) * 2021-03-19 2022-09-22 현대자동차주식회사 성분별 적응적 공간해상도를 갖는 움직임벡터를 이용하는 비디오 코딩방법 및 장치
JP2024511887A (ja) * 2021-04-02 2024-03-15 ヒョンダイ モーター カンパニー 適応的イントラ予測精度を用いるビデオコーディング方法及び装置
CN114079792A (zh) * 2021-07-22 2022-02-22 珠海市杰理科技股份有限公司 视频编码参考块的压缩方法、编码方法和装置
KR20250093492A (ko) * 2022-10-21 2025-06-24 인터디지털 씨이 페이튼트 홀딩스, 에스에이에스 낮은 복잡성 모션 정제

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US9918105B2 (en) 2014-10-07 2018-03-13 Qualcomm Incorporated Intra BC and inter unification
CN107925775A (zh) * 2015-09-02 2018-04-17 联发科技股份有限公司 基于双向预测光流技术的视频编解码的运动补偿方法及装置
JP2018533871A (ja) * 2015-11-11 2018-11-15 サムスン エレクトロニクス カンパニー リミテッド ビデオ復号方法及びその装置、並びにビデオ符号化方法及びその装置
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US11962796B2 (en) * 2019-04-01 2024-04-16 Qualcomm Incorporated Gradient-based prediction refinement for video coding
KR20250143124A (ko) * 2019-04-25 2025-09-30 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 광학 흐름에 의한 예측 미세화 방법 및 장치

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Publication number Priority date Publication date Assignee Title
WO2025058213A1 (ko) * 2023-09-13 2025-03-20 삼성전자 주식회사 인트라 예측을 이용하여 영상을 부호화 및 복호화하는 장치, 및 방법

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JP2025087703A (ja) 2025-06-10
US11317088B2 (en) 2022-04-26
EP3970370A1 (en) 2022-03-23
CN113950839B (zh) 2025-06-13
IL287257B1 (en) 2024-04-01
CA3137462A1 (en) 2020-11-26
JP2022533061A (ja) 2022-07-21
CN113950839A (zh) 2022-01-18
CO2021015352A2 (es) 2021-11-19
US20200366889A1 (en) 2020-11-19
TW202101996A (zh) 2021-01-01
BR112021022331A2 (pt) 2021-12-28
SG11202111550WA (en) 2021-12-30
MX2021014018A (es) 2021-12-10
JP7691936B2 (ja) 2025-06-12
WO2020236568A1 (en) 2020-11-26
IL287257B2 (en) 2024-08-01
TWI904088B (zh) 2025-11-11
IL287257A (en) 2021-12-01

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