KR102889176B1 - 히스토리 기반 모션 벡터 예측자에 대한 개선들 - Google Patents

히스토리 기반 모션 벡터 예측자에 대한 개선들

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Publication number
KR102889176B1
KR102889176B1 KR1020217009767A KR20217009767A KR102889176B1 KR 102889176 B1 KR102889176 B1 KR 102889176B1 KR 1020217009767 A KR1020217009767 A KR 1020217009767A KR 20217009767 A KR20217009767 A KR 20217009767A KR 102889176 B1 KR102889176 B1 KR 102889176B1
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hmvp
candidates
candidate
prediction
video data
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KR20210068439A (ko
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유 한
웨이-정 치엔
한 황
차오-슝 훙
마르타 카르체비츠
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퀄컴 인코포레이티드
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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
    • H04N19/513Processing 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
    • H04N19/10Methods 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
    • H04N19/132Sampling, 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/50Methods 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
    • H04N19/56Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217009767A 2018-10-08 2019-10-07 히스토리 기반 모션 벡터 예측자에 대한 개선들 Active KR102889176B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862742890P 2018-10-08 2018-10-08
US62/742,890 2018-10-08
US16/593,388 US11051034B2 (en) 2018-10-08 2019-10-04 History-based motion vector predictor
US16/593,388 2019-10-04
PCT/US2019/055004 WO2020076705A2 (en) 2018-10-08 2019-10-07 Improvements on history-based motion vector predictor

Publications (2)

Publication Number Publication Date
KR20210068439A KR20210068439A (ko) 2021-06-09
KR102889176B1 true KR102889176B1 (ko) 2025-11-20

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US (1) US11051034B2 (https=)
EP (1) EP3864841B1 (https=)
JP (1) JP7342115B2 (https=)
KR (1) KR102889176B1 (https=)
CN (1) CN112823517B (https=)
AU (1) AU2019356483B2 (https=)
BR (1) BR112021005357A2 (https=)
CA (1) CA3112448A1 (https=)
CO (1) CO2021004169A2 (https=)
ES (1) ES3008269T3 (https=)
IL (1) IL281298B2 (https=)
MX (1) MX2021003973A (https=)
MY (1) MY209631A (https=)
PH (1) PH12021550507A1 (https=)
PL (1) PL3864841T3 (https=)
SA (1) SA521421615B1 (https=)
SG (1) SG11202102322WA (https=)
TW (1) TWI826546B (https=)
WO (1) WO2020076705A2 (https=)
ZA (1) ZA202103094B (https=)

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TW202027508A (zh) 2020-07-16
WO2020076705A3 (en) 2020-05-22
JP2022504073A (ja) 2022-01-13
CO2021004169A2 (es) 2021-04-30
PL3864841T3 (pl) 2025-03-03
ES3008269T3 (en) 2025-03-21
CA3112448A1 (en) 2020-04-16
IL281298B1 (en) 2024-10-01
SA521421615B1 (ar) 2024-01-15
EP3864841B1 (en) 2025-01-01
EP3864841A2 (en) 2021-08-18
AU2019356483B2 (en) 2022-10-20
AU2019356483A1 (en) 2021-04-15
KR20210068439A (ko) 2021-06-09
CN112823517B (zh) 2024-06-07
PH12021550507A1 (en) 2021-11-08
WO2020076705A2 (en) 2020-04-16
BR112021005357A2 (pt) 2021-06-15
TWI826546B (zh) 2023-12-21
US20200112741A1 (en) 2020-04-09
MY209631A (en) 2025-07-27
CN112823517A (zh) 2021-05-18
EP3864841C0 (en) 2025-01-01
ZA202103094B (en) 2023-01-25
IL281298A (en) 2021-04-29
SG11202102322WA (en) 2021-04-29
MX2021003973A (es) 2021-05-27
JP7342115B2 (ja) 2023-09-11
IL281298B2 (en) 2025-02-01
US11051034B2 (en) 2021-06-29

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