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BR112017020102A2 - processo de amostragem descendente para modo de previsão de modelo linear - Google Patents

processo de amostragem descendente para modo de previsão de modelo linear

Info

Publication number
BR112017020102A2
BR112017020102A2 BR112017020102A BR112017020102A BR112017020102A2 BR 112017020102 A2 BR112017020102 A2 BR 112017020102A2 BR 112017020102 A BR112017020102 A BR 112017020102A BR 112017020102 A BR112017020102 A BR 112017020102A BR 112017020102 A2 BR112017020102 A2 BR 112017020102A2
Authority
BR
Brazil
Prior art keywords
linear model
model prediction
prediction mode
sampling process
down sampling
Prior art date
Application number
BR112017020102A
Other languages
English (en)
Other versions
BR112017020102B1 (pt
Inventor
Chen Jianle
Zhang Li
Karczewicz Marta
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 BR112017020102A2 publication Critical patent/BR112017020102A2/pt
Publication of BR112017020102B1 publication Critical patent/BR112017020102B1/pt

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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/70—Methods 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)

Abstract

técnicas ilustrativas relacionadas à decodificação ou codificação por previsão de modelo linear (lm) são descritas. um decodificador de vídeo ou codificador de vídeo determina qual filtro aplicar a partir de um conjunto de filtros para amostrar descendentemente as amostras de um bloco de luminescência e gerar um bloco de previsão para um bloco de crominância correspondente com base nas características do bloco de crominância.
BR112017020102-0A 2015-03-20 2016-03-18 Processo de amostragem descendente para modo de previsão de modelo linear BR112017020102B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562136344P 2015-03-20 2015-03-20
US62/136,344 2015-03-20
US15/073,171 2016-03-17
US15/073,171 US10455249B2 (en) 2015-03-20 2016-03-17 Downsampling process for linear model prediction mode
PCT/US2016/023157 WO2016154008A1 (en) 2015-03-20 2016-03-18 Downsampling process for linear model prediction mode

Publications (2)

Publication Number Publication Date
BR112017020102A2 true BR112017020102A2 (pt) 2018-05-29
BR112017020102B1 BR112017020102B1 (pt) 2023-10-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017020102-0A BR112017020102B1 (pt) 2015-03-20 2016-03-18 Processo de amostragem descendente para modo de previsão de modelo linear

Country Status (10)

Country Link
US (1) US10455249B2 (pt)
EP (1) EP3272121B1 (pt)
JP (1) JP6827944B2 (pt)
KR (1) KR102520295B1 (pt)
CN (1) CN107409209B (pt)
AR (1) AR104854A1 (pt)
BR (1) BR112017020102B1 (pt)
CA (1) CA2976820C (pt)
TW (1) TWI693821B (pt)
WO (1) WO2016154008A1 (pt)

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