LT3985980T - Vaizdo dekodavimo būdas ir vaizdo kodavimo būdas svorinio indenkso duomenims išvesti dėl prognozinio ėminio generavimo - Google Patents

Vaizdo dekodavimo būdas ir vaizdo kodavimo būdas svorinio indenkso duomenims išvesti dėl prognozinio ėminio generavimo

Info

Publication number
LT3985980T
LT3985980T LTEPPCT/KR2020/007521T LTKR2020007521T LT3985980T LT 3985980 T LT3985980 T LT 3985980T LT KR2020007521 T LTKR2020007521 T LT KR2020007521T LT 3985980 T LT3985980 T LT 3985980T
Authority
LT
Lithuania
Prior art keywords
generation
index information
prediction sample
weight index
image
Prior art date
Application number
LTEPPCT/KR2020/007521T
Other languages
English (en)
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 LT3985980T publication Critical patent/LT3985980T/lt

Links

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
    • H04N19/513Processing 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
    • H04N19/10Methods 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
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/527Global motion vector estimation
    • 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
    • H04N19/537Motion estimation other than block-based
    • H04N19/54Motion estimation other than block-based using feature points or meshes
    • 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 Of Band Width Or Redundancy In Fax (AREA)
LTEPPCT/KR2020/007521T 2019-06-14 2020-06-10 Vaizdo dekodavimo būdas ir vaizdo kodavimo būdas svorinio indenkso duomenims išvesti dėl prognozinio ėminio generavimo LT3985980T (lt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962861986P 2019-06-14 2019-06-14
PCT/KR2020/007521 WO2020251257A1 (ko) 2019-06-14 2020-06-10 예측 샘플을 생성하기 위한 가중치 인덱스 정보를 도출하는 영상 디코딩 방법 및 그 장치

Publications (1)

Publication Number Publication Date
LT3985980T true LT3985980T (lt) 2026-03-10

Family

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LTEPPCT/KR2020/007521T LT3985980T (lt) 2019-06-14 2020-06-10 Vaizdo dekodavimo būdas ir vaizdo kodavimo būdas svorinio indenkso duomenims išvesti dėl prognozinio ėminio generavimo

Country Status (17)

Country Link
US (4) US11445184B2 (lt)
EP (2) EP4697720A3 (lt)
JP (5) JP7249441B2 (lt)
KR (2) KR20250076671A (lt)
CN (5) CN114208171B (lt)
AU (3) AU2020293843B2 (lt)
CA (2) CA3240497A1 (lt)
ES (1) ES3063233T3 (lt)
FI (1) FI3985980T3 (lt)
HR (1) HRP20260242T1 (lt)
LT (1) LT3985980T (lt)
MX (5) MX2021015521A (lt)
PL (1) PL3985980T3 (lt)
PT (1) PT3985980T (lt)
RS (1) RS67742B1 (lt)
SI (1) SI3985980T1 (lt)
WO (1) WO2020251257A1 (lt)

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WO2020262901A1 (ko) * 2019-06-24 2020-12-30 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
CN118714351A (zh) 2019-06-24 2024-09-27 Lg电子株式会社 图像编码设备、图像解码设备及发送图像数据的设备
CN114402591B (zh) * 2019-09-13 2024-08-02 北京字节跳动网络技术有限公司 并置运动矢量的推导
CN120848785A (zh) * 2024-04-26 2025-10-28 戴尔产品有限公司 用于回收存储空间的方法、电子设备和程序产品

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Publication number Publication date
US20240064285A1 (en) 2024-02-22
JP2024036477A (ja) 2024-03-15
KR20210153738A (ko) 2021-12-17
JP2025019130A (ja) 2025-02-06
CN114208171A (zh) 2022-03-18
JP7249441B2 (ja) 2023-03-30
JP7592909B2 (ja) 2024-12-02
JP7729968B2 (ja) 2025-08-26
CN121151546A (zh) 2025-12-16
CN121151547A (zh) 2025-12-16
MX2024015137A (es) 2025-01-09
PT3985980T (pt) 2026-02-16
US11843771B2 (en) 2023-12-12
AU2020293843B2 (en) 2023-12-07
EP3985980B1 (en) 2026-01-21
CN114208171B (zh) 2025-09-23
JP2023063593A (ja) 2023-05-09
SI3985980T1 (sl) 2026-04-30
CN121151545A (zh) 2025-12-16
EP4697720A3 (en) 2026-04-29
CA3143538C (en) 2024-10-15
MX2024015141A (es) 2025-01-09
US12289444B2 (en) 2025-04-29
EP3985980A4 (en) 2023-06-28
JP2022536532A (ja) 2022-08-17
CA3240497A1 (en) 2020-12-17
KR20250076671A (ko) 2025-05-29
US11445184B2 (en) 2022-09-13
AU2025217380A1 (en) 2025-09-04
EP3985980A1 (en) 2022-04-20
JP7432035B2 (ja) 2024-02-15
CA3143538A1 (en) 2020-12-17
RS67742B1 (sr) 2026-03-31
FI3985980T3 (fi) 2026-03-03
WO2020251257A1 (ko) 2020-12-17
US20220103809A1 (en) 2022-03-31
HRP20260242T1 (hr) 2026-04-10
US20250142051A1 (en) 2025-05-01
KR102810852B1 (ko) 2025-05-22
PL3985980T3 (pl) 2026-04-07
JP2025166162A (ja) 2025-11-05
CN121151548A (zh) 2025-12-16
AU2024201124B2 (en) 2025-09-11
MX2021015521A (es) 2022-02-03
US20220377320A1 (en) 2022-11-24
ES3063233T3 (en) 2026-04-15
EP4697720A2 (en) 2026-02-18
MX2024015139A (es) 2025-01-09
AU2020293843A1 (en) 2022-02-10
BR112021025255A2 (pt) 2022-03-15
MX2024015140A (es) 2025-01-09
AU2024201124A1 (en) 2024-03-14

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