AU2020292097B2 - Method and device for image coding using motion vector differences - Google Patents

Method and device for image coding using motion vector differences Download PDF

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AU2020292097B2
AU2020292097B2 AU2020292097A AU2020292097A AU2020292097B2 AU 2020292097 B2 AU2020292097 B2 AU 2020292097B2 AU 2020292097 A AU2020292097 A AU 2020292097A AU 2020292097 A AU2020292097 A AU 2020292097A AU 2020292097 B2 AU2020292097 B2 AU 2020292097B2
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prediction
current block
reference picture
mvd
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AU2020292097A1 (en
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Hyeongmoon JANG
Junghak NAM
Naeri PARK
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LG Electronics Inc
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LG Electronics Inc
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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
    • H04N19/577—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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/10—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
    • H04N19/157—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
    • H04N19/10—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
    • H04N19/176—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
    • 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
    • H04N19/50—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
    • H04N19/50—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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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)
AU2020292097A 2019-06-14 2020-06-15 Method and device for image coding using motion vector differences Active AU2020292097B2 (en)

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AU2024201368A AU2024201368B2 (en) 2019-06-14 2024-02-29 Method and device for image coding using motion vector differences
AU2025271416A AU2025271416A1 (en) 2019-06-14 2025-11-27 Method and device for image coding using motion vector differences

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US201962861982P 2019-06-14 2019-06-14
US62/861,982 2019-06-14
PCT/KR2020/007718 WO2020251324A1 (ko) 2019-06-14 2020-06-15 움직임 벡터 차분들을 이용한 영상 코딩 방법 및 장치

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US (4) US11523119B2 (https=)
EP (2) EP3979650B1 (https=)
JP (5) JP7331153B2 (https=)
KR (4) KR102679217B1 (https=)
CN (4) CN119967167A (https=)
AU (3) AU2020292097B2 (https=)
CA (2) CA3299260A1 (https=)
FI (1) FI3979650T3 (https=)
LT (1) LT3979650T (https=)
MX (4) MX2021015524A (https=)
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US20250317571A1 (en) 2025-10-09
CN119967166A (zh) 2025-05-09
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JP7670912B2 (ja) 2025-04-30
JP7513814B2 (ja) 2024-07-09
US20240259566A1 (en) 2024-08-01
MX2025013669A (es) 2025-12-01
CN119996676A (zh) 2025-05-13
EP3979650A4 (en) 2023-04-12
KR102679217B1 (ko) 2024-06-27
KR20240100485A (ko) 2024-07-01
KR20210157403A (ko) 2021-12-28
MX2021015524A (es) 2022-02-03
FI3979650T3 (fi) 2026-04-08
AU2020292097A1 (en) 2022-02-10
EP3979650A1 (en) 2022-04-06
CN119967167A (zh) 2025-05-09
CN114051726A (zh) 2022-02-15
AU2024201368B2 (en) 2025-09-11
JP7331153B2 (ja) 2023-08-22
JP2022538800A (ja) 2022-09-06
KR20250030033A (ko) 2025-03-05
LT3979650T (lt) 2026-04-10
BR112021025044A2 (pt) 2022-02-01
JP7804124B2 (ja) 2026-01-21
US20230082083A1 (en) 2023-03-16
KR102618366B1 (ko) 2023-12-27
JP2026050420A (ja) 2026-03-19
EP3979650B1 (en) 2026-02-25
JP2025105665A (ja) 2025-07-10
CA3299260A1 (en) 2026-03-02
JP2023138751A (ja) 2023-10-02
EP4708852A2 (en) 2026-03-11
US12058339B2 (en) 2024-08-06
KR102775209B1 (ko) 2025-03-04
US12368863B2 (en) 2025-07-22
US20220124344A1 (en) 2022-04-21
AU2025271416A1 (en) 2025-12-18
CA3143556A1 (en) 2020-12-17
KR20240005165A (ko) 2024-01-11
AU2024201368A1 (en) 2024-03-21
CN114051726B (zh) 2025-03-18
US11523119B2 (en) 2022-12-06
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