LT3979650T - Vaizdo kodavimo naudojant judesio vektorių skirtumus būdas ir prietaisas - Google Patents

Vaizdo kodavimo naudojant judesio vektorių skirtumus būdas ir prietaisas

Info

Publication number
LT3979650T
LT3979650T LTEPPCT/KR2020/007718T LTKR2020007718T LT3979650T LT 3979650 T LT3979650 T LT 3979650T LT KR2020007718 T LTKR2020007718 T LT KR2020007718T LT 3979650 T LT3979650 T LT 3979650T
Authority
LT
Lithuania
Prior art keywords
motion vector
image coding
vector differences
differences
coding
Prior art date
Application number
LTEPPCT/KR2020/007718T
Other languages
English (en)
Lithuanian (lt)
Inventor
Naeri PARK
Junghak NAM
Hyeongmoon JANG
Original Assignee
LG Electronics Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc. filed Critical LG Electronics Inc.
Publication of LT3979650T publication Critical patent/LT3979650T/lt

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/58Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
LTEPPCT/KR2020/007718T 2019-06-14 2020-06-15 Vaizdo kodavimo naudojant judesio vektorių skirtumus būdas ir prietaisas LT3979650T (lt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962861982P 2019-06-14 2019-06-14
PCT/KR2020/007718 WO2020251324A1 (ko) 2019-06-14 2020-06-15 움직임 벡터 차분들을 이용한 영상 코딩 방법 및 장치

Publications (1)

Publication Number Publication Date
LT3979650T true LT3979650T (lt) 2026-04-10

Family

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Family Applications (1)

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LTEPPCT/KR2020/007718T LT3979650T (lt) 2019-06-14 2020-06-15 Vaizdo kodavimo naudojant judesio vektorių skirtumus būdas ir prietaisas

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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US12047586B2 (en) 2022-07-20 2024-07-23 Tencent America LLC Method and apparatus for inter prediction mode dependent scaling factors
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Also Published As

Publication number Publication date
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
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
MX2025013667A (es) 2025-12-01
JP2024114886A (ja) 2024-08-23

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