SG11202011605XA - Combining mode dependent intra smoothing (mdis) with intra interpolation filter switching - Google Patents

Combining mode dependent intra smoothing (mdis) with intra interpolation filter switching

Info

Publication number
SG11202011605XA
SG11202011605XA SG11202011605XA SG11202011605XA SG11202011605XA SG 11202011605X A SG11202011605X A SG 11202011605XA SG 11202011605X A SG11202011605X A SG 11202011605XA SG 11202011605X A SG11202011605X A SG 11202011605XA SG 11202011605X A SG11202011605X A SG 11202011605XA
Authority
SG
Singapore
Prior art keywords
intra
mdis
interpolation filter
filter switching
mode dependent
Prior art date
Application number
SG11202011605XA
Inventor
Der Auwera Geert Van
Adarsh Krishnan Ramasubramonian
Vadim Seregin
Marta Karczewicz
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 SG11202011605XA publication Critical patent/SG11202011605XA/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods 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
    • H04N19/17—Methods 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
    • H04N19/176—Methods 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details 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)
  • Television Systems (AREA)
SG11202011605XA 2018-07-02 2019-07-02 Combining mode dependent intra smoothing (mdis) with intra interpolation filter switching SG11202011605XA (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862693266P 2018-07-02 2018-07-02
US201862727341P 2018-09-05 2018-09-05
US201862731723P 2018-09-14 2018-09-14
US16/459,024 US11277644B2 (en) 2018-07-02 2019-07-01 Combining mode dependent intra smoothing (MDIS) with intra interpolation filter switching
PCT/US2019/040306 WO2020010087A1 (en) 2018-07-02 2019-07-02 Combining mode dependent intra smoothing (mdis) with intra interpolation filter switching

Publications (1)

Publication Number Publication Date
SG11202011605XA true SG11202011605XA (en) 2021-01-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202011605XA SG11202011605XA (en) 2018-07-02 2019-07-02 Combining mode dependent intra smoothing (mdis) with intra interpolation filter switching

Country Status (7)

Country Link
US (1) US11277644B2 (en)
EP (1) EP3818706A1 (en)
CN (1) CN112385223A (en)
BR (1) BR112020026713A2 (en)
SG (1) SG11202011605XA (en)
TW (1) TWI821324B (en)
WO (1) WO2020010087A1 (en)

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Also Published As

Publication number Publication date
EP3818706A1 (en) 2021-05-12
TWI821324B (en) 2023-11-11
CN112385223A (en) 2021-02-19
US20200007895A1 (en) 2020-01-02
WO2020010087A1 (en) 2020-01-09
BR112020026713A2 (en) 2021-03-23
US11277644B2 (en) 2022-03-15
TW202019177A (en) 2020-05-16

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