CA3299260A1 - Method and device for image coding using motion vector differences - Google Patents

Method and device for image coding using motion vector differences

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Publication number
CA3299260A1
CA3299260A1 CA3299260A CA3299260A CA3299260A1 CA 3299260 A1 CA3299260 A1 CA 3299260A1 CA 3299260 A CA3299260 A CA 3299260A CA 3299260 A CA3299260 A CA 3299260A CA 3299260 A1 CA3299260 A1 CA 3299260A1
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CA
Canada
Prior art keywords
motion vector
image coding
vector differences
differences
coding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3299260A
Other languages
English (en)
Inventor
Naeri PARK
Junghak NAM
Hyeongmoon JANG
Original Assignee
LG Electronics Inc
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Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of CA3299260A1 publication Critical patent/CA3299260A1/en
Pending legal-status Critical Current

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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
    • H04N19/105—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
    • H04N19/103—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
    • H04N19/134—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)
CA3299260A 2019-06-14 2020-06-15 Method and device for image coding using motion vector differences Pending CA3299260A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962861982P 2019-06-14 2019-06-14
US62/861,982 2019-06-14
CA3143556A CA3143556A1 (en) 2019-06-14 2020-06-15 Method and device for image coding using motion vector differences

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3143556A Division CA3143556A1 (en) 2019-06-14 2020-06-15 Method and device for image coding using motion vector differences

Publications (1)

Publication Number Publication Date
CA3299260A1 true CA3299260A1 (en) 2026-03-02

Family

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Application Number Title Priority Date Filing Date
CA3299260A Pending CA3299260A1 (en) 2019-06-14 2020-06-15 Method and device for image coding using motion vector differences
CA3143556A Pending CA3143556A1 (en) 2019-06-14 2020-06-15 Method and device for image coding using motion vector differences

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Country Status (11)

Country Link
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=)
WO (1) WO2020251324A1 (https=)

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US11800092B2 (en) * 2021-11-17 2023-10-24 Tencent America LLC Joint signaling method for motion vector difference
WO2023132510A1 (ko) * 2022-01-04 2023-07-13 현대자동차주식회사 개선된 차분 움직임벡터 머지를 이용하는 비디오 코딩을 위한 방법 및 장치
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WO2020251324A1 (ko) 2020-12-17
US20250317571A1 (en) 2025-10-09
CN119967166A (zh) 2025-05-09
MX2025013670A (es) 2025-12-01
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
AU2020292097B2 (en) 2023-11-30
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
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
MX2025013667A (es) 2025-12-01
JP2024114886A (ja) 2024-08-23

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