MX2021003973A - Mejoras en el predictor de vectores de movimiento basados en historial. - Google Patents

Mejoras en el predictor de vectores de movimiento basados en historial.

Info

Publication number
MX2021003973A
MX2021003973A MX2021003973A MX2021003973A MX2021003973A MX 2021003973 A MX2021003973 A MX 2021003973A MX 2021003973 A MX2021003973 A MX 2021003973A MX 2021003973 A MX2021003973 A MX 2021003973A MX 2021003973 A MX2021003973 A MX 2021003973A
Authority
MX
Mexico
Prior art keywords
hmvp
candidate
motion vector
index value
amvp
Prior art date
Application number
MX2021003973A
Other languages
English (en)
Spanish (es)
Inventor
Marta Karczewicz
Han Huang
Wei - Jung Chien
Yu Han
Chao - Hsiung HUNG
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of MX2021003973A publication Critical patent/MX2021003973A/es

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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
MX2021003973A 2018-10-08 2019-10-07 Mejoras en el predictor de vectores de movimiento basados en historial. MX2021003973A (es)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
MX2021003973A true MX2021003973A (es) 2021-05-27

Family

ID=70052569

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021003973A MX2021003973A (es) 2018-10-08 2019-10-07 Mejoras en el predictor de vectores de movimiento basados en historial.

Country Status (20)

Country Link
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
KR102889176B1 (ko) 2025-11-20
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
JP7342115B2 (ja) 2023-09-11
IL281298B2 (en) 2025-02-01
US11051034B2 (en) 2021-06-29

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