KR102873144B1 - 아핀 코딩된 블록에 대한 광학 흐름 이용 예측 정제를 위한 방법 및 장치 - Google Patents

아핀 코딩된 블록에 대한 광학 흐름 이용 예측 정제를 위한 방법 및 장치

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KR102873144B1
KR102873144B1 KR1020217033210A KR20217033210A KR102873144B1 KR 102873144 B1 KR102873144 B1 KR 102873144B1 KR 1020217033210 A KR1020217033210 A KR 1020217033210A KR 20217033210 A KR20217033210 A KR 20217033210A KR 102873144 B1 KR102873144 B1 KR 102873144B1
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KR20210134400A (ko
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환방 천
하이타오 양
장러 천
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후아웨이 테크놀러지 컴퍼니 리미티드
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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
    • 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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • 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
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    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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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
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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
    • H04N19/513—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
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    • 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
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
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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
    • H04N19/55—Motion estimation with spatial constraints, e.g. at image or region borders
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    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
KR1020217033210A 2019-03-20 2020-03-20 아핀 코딩된 블록에 대한 광학 흐름 이용 예측 정제를 위한 방법 및 장치 Active KR102873144B1 (ko)

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KR1020257034293A KR20250153324A (ko) 2019-03-20 2020-03-20 아핀 코딩된 블록에 대한 광학 흐름 이용 예측 정제를 위한 방법 및 장치

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962821440P 2019-03-20 2019-03-20
US62/821,440 2019-03-20
US201962839765P 2019-04-28 2019-04-28
US62/839,765 2019-04-28
PCT/CN2020/080412 WO2020187316A1 (en) 2019-03-20 2020-03-20 Method and apparatus for prediction refinement with optical flow for an affine coded block

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KR102873144B1 true KR102873144B1 (ko) 2025-10-16

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KR1020257034293A Pending KR20250153324A (ko) 2019-03-20 2020-03-20 아핀 코딩된 블록에 대한 광학 흐름 이용 예측 정제를 위한 방법 및 장치

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US (3) US12003733B2 (https=)
EP (2) EP3932054B1 (https=)
JP (3) JP7590337B2 (https=)
KR (2) KR102873144B1 (https=)
CN (2) CN118945317B (https=)
BR (1) BR112021018644A2 (https=)
ES (1) ES2992659T3 (https=)
HU (1) HUE066834T2 (https=)
MX (1) MX2021011370A (https=)
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US11272203B2 (en) * 2019-07-23 2022-03-08 Tencent America LLC Method and apparatus for video coding
EP4029256A4 (en) * 2019-09-12 2022-11-09 Alibaba Group Holding Limited METHOD AND DEVICE FOR SIGNALING VIDEO ENCODING INFORMATION
JP7305883B2 (ja) * 2019-09-17 2023-07-10 ベイジン、ターチア、インターネット、インフォメーション、テクノロジー、カンパニー、リミテッド Ｐｒｏｆ（ｐｒｅｄｉｃｔｉｏｎ ｒｅｆｉｎｅｍｅｎｔ ｗｉｔｈ ｏｐｔｉｃａｌ ｆｌｏｗ）の方法および装置
CN112135126B (zh) * 2019-11-05 2021-09-21 杭州海康威视数字技术股份有限公司 一种编解码方法、装置、设备及机器可读存储介质
US20240275980A1 (en) * 2021-06-10 2024-08-15 Beijing Bytedanc Network Technology Co., Ltd. Method, device, and medium for video processing
CN113793259B (zh) * 2021-11-15 2022-02-15 深圳思谋信息科技有限公司 图像变焦方法、计算机设备和存储介质
CN120584488A (zh) * 2023-01-13 2025-09-02 联发科技股份有限公司 用于块边界和运动细化的仿射运动补偿的方法和装置在视频编解码中
US20240380913A1 (en) * 2023-05-09 2024-11-14 Microsoft Technology Licensing, Llc Motion compensation via inertial tracking and optical flow
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WO2020187316A1 (en) 2020-09-24
ES2992659T3 (en) 2024-12-16
EP3932054A1 (en) 2022-01-05
US20240364895A1 (en) 2024-10-31
JP2022527701A (ja) 2022-06-03
US20250254323A1 (en) 2025-08-07
JP7590337B2 (ja) 2024-11-26
JP7736764B2 (ja) 2025-09-09
CN113615173A (zh) 2021-11-05
MX2021011370A (es) 2021-11-12
KR20250153324A (ko) 2025-10-24
EP3932054B1 (en) 2024-04-24
JP2024019406A (ja) 2024-02-09
US12003733B2 (en) 2024-06-04
US20220078442A1 (en) 2022-03-10
PL3932054T3 (pl) 2024-07-29
JP2025184871A (ja) 2025-12-18
EP4344205A2 (en) 2024-03-27
BR112021018644A2 (pt) 2021-11-23
KR20210134400A (ko) 2021-11-09
HUE066834T2 (hu) 2024-09-28
EP4344205A3 (en) 2024-05-22
CN118945317A (zh) 2024-11-12
US12273532B2 (en) 2025-04-08
CN118945317B (zh) 2025-08-26
EP3932054A4 (en) 2022-07-13

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