DK3840385T3 - Fremgangsmåde og indretning til bidirektionel interframe-forudsigelse - Google Patents

Fremgangsmåde og indretning til bidirektionel interframe-forudsigelse Download PDF

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Publication number
DK3840385T3
DK3840385T3 DK19858320.5T DK19858320T DK3840385T3 DK 3840385 T3 DK3840385 T3 DK 3840385T3 DK 19858320 T DK19858320 T DK 19858320T DK 3840385 T3 DK3840385 T3 DK 3840385T3
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Denmark
Prior art keywords
interframe prediction
directional
directional interframe
prediction
interframe
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DK19858320.5T
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English (en)
Inventor
Huanbang Chen
Jianle Chen
Haitao Yang
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Huawei Tech Co Ltd
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Publication of DK3840385T3 publication Critical patent/DK3840385T3/da

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    • 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
    • H04N19/102Methods 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
    • H04N19/134Methods 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
    • H04N19/172Methods 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
    • 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
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • 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
    • H04N19/70Methods 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

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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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DK19858320.5T 2018-09-04 2019-09-04 Fremgangsmåde og indretning til bidirektionel interframe-forudsigelse DK3840385T3 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862726975P 2018-09-04 2018-09-04
US201862727534P 2018-09-05 2018-09-05
US201862734226P 2018-09-20 2018-09-20
PCT/CN2019/104462 WO2020048502A1 (zh) 2018-09-04 2019-09-04 一种双向帧间预测方法及装置

Publications (1)

Publication Number Publication Date
DK3840385T3 true DK3840385T3 (da) 2025-06-10

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US (4) US11659161B2 (da)
EP (3) EP3840386A4 (da)
JP (4) JP7242861B2 (da)
KR (2) KR102602827B1 (da)
CN (5) CN112640468B (da)
AU (3) AU2019335839B2 (da)
BR (2) BR112021004060A2 (da)
CA (1) CA3111112A1 (da)
DK (1) DK3840385T3 (da)
ES (1) ES3032692T3 (da)
FI (1) FI3840385T3 (da)
HU (1) HUE071453T2 (da)
MX (2) MX2021002488A (da)
MY (1) MY208293A (da)
PH (1) PH12021550454A1 (da)
PL (1) PL3840385T3 (da)
PT (1) PT3840385T (da)
SG (1) SG11202102171TA (da)
WO (2) WO2020048205A1 (da)
ZA (1) ZA202102188B (da)

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PL3840385T3 (pl) 2025-07-14
PT3840385T (pt) 2025-06-03
JP2021536715A (ja) 2021-12-27
JP7277587B2 (ja) 2023-05-19
AU2019335839B2 (en) 2022-05-26
AU2024201857A1 (en) 2024-04-11
EP4542998A2 (en) 2025-04-23
KR102655127B1 (ko) 2024-04-04
EP3840385B1 (en) 2025-04-09
US11659161B2 (en) 2023-05-23
BR112021004060A2 (pt) 2021-05-25
US12341950B2 (en) 2025-06-24
US20250330575A1 (en) 2025-10-23
CN112640468A (zh) 2021-04-09
EP4542998A3 (en) 2025-06-25
MX2021002488A (es) 2021-07-16
ZA202102188B (en) 2022-06-29
AU2022221499A1 (en) 2022-09-22
JP7242861B2 (ja) 2023-03-20
HUE071453T2 (hu) 2025-08-28
KR20210047945A (ko) 2021-04-30
JP7797439B2 (ja) 2026-01-13
CN112640468B (zh) 2024-12-13
EP3840386A4 (en) 2021-09-22
SG11202102171TA (en) 2021-04-29
US20210185310A1 (en) 2021-06-17
FI3840385T3 (fi) 2025-06-03
CA3111112A1 (en) 2020-03-12
WO2020048502A1 (zh) 2020-03-12
MX2021002489A (es) 2021-07-16
KR102602827B1 (ko) 2023-11-15
CN112866721A (zh) 2021-05-28
US11792389B2 (en) 2023-10-17
CN121284269A (zh) 2026-01-06
JP2021535707A (ja) 2021-12-16
BR112021003967A2 (pt) 2021-05-25
AU2022221499B2 (en) 2023-12-21
CN121284270A (zh) 2026-01-06
AU2019335839A1 (en) 2021-04-01
ES3032692T3 (en) 2025-07-23
EP3840385A1 (en) 2021-06-23
US20230421755A1 (en) 2023-12-28
US20210185324A1 (en) 2021-06-17
EP3840385A4 (en) 2021-09-22
KR20210047950A (ko) 2021-04-30
PH12021550454A1 (en) 2021-12-06
EP3840386A1 (en) 2021-06-23
WO2020048205A1 (zh) 2020-03-12
MY208293A (en) 2025-04-30
JP2023109819A (ja) 2023-08-08
JP2023109818A (ja) 2023-08-08
AU2024201857B2 (en) 2025-11-06
JP7609919B2 (ja) 2025-01-07
CN112567753A (zh) 2021-03-26

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