BR112019006196A2 - filtros de interpolação melhorados para intrapredição em codificação de vídeo - Google Patents

filtros de interpolação melhorados para intrapredição em codificação de vídeo

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Publication number
BR112019006196A2
BR112019006196A2 BR112019006196A BR112019006196A BR112019006196A2 BR 112019006196 A2 BR112019006196 A2 BR 112019006196A2 BR 112019006196 A BR112019006196 A BR 112019006196A BR 112019006196 A BR112019006196 A BR 112019006196A BR 112019006196 A2 BR112019006196 A2 BR 112019006196A2
Authority
BR
Brazil
Prior art keywords
intraprediction
video encoding
interpolation filters
video encoder
improved interpolation
Prior art date
Application number
BR112019006196A
Other languages
English (en)
Portuguese (pt)
Inventor
Zhang Li
Karczewicz Marta
Seregin Vadim
Zhao Xin
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 BR112019006196A2 publication Critical patent/BR112019006196A2/pt

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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
    • H04N19/10Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/10Methods 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
    • H04N19/59Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112019006196A 2016-09-28 2017-09-20 filtros de interpolação melhorados para intrapredição em codificação de vídeo BR112019006196A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662401067P 2016-09-28 2016-09-28
US15/709,270 US10382781B2 (en) 2016-09-28 2017-09-19 Interpolation filters for intra prediction in video coding
PCT/US2017/052485 WO2018063886A1 (en) 2016-09-28 2017-09-20 Improved interpolation filters for intra prediction in video coding

Publications (1)

Publication Number Publication Date
BR112019006196A2 true BR112019006196A2 (pt) 2019-06-18

Family

ID=61687006

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112019006196A BR112019006196A2 (pt) 2016-09-28 2017-09-20 filtros de interpolação melhorados para intrapredição em codificação de vídeo

Country Status (7)

Country Link
US (1) US10382781B2 (https=)
EP (1) EP3520401A1 (https=)
JP (1) JP7241680B2 (https=)
KR (1) KR102155974B1 (https=)
CN (1) CN109716765B (https=)
BR (1) BR112019006196A2 (https=)
WO (1) WO2018063886A1 (https=)

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JP2019530351A (ja) 2019-10-17
CN109716765B (zh) 2021-05-25
KR102155974B1 (ko) 2020-09-14
WO2018063886A1 (en) 2018-04-05
KR20190049755A (ko) 2019-05-09
JP7241680B2 (ja) 2023-03-17
US20180091825A1 (en) 2018-03-29
WO2018063886A9 (en) 2019-03-21
US10382781B2 (en) 2019-08-13
CN109716765A (zh) 2019-05-03
EP3520401A1 (en) 2019-08-07

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