BR112018016560A2 - fundição de filtros para várias classes de blocos para codificação de vídeo - Google Patents

fundição de filtros para várias classes de blocos para codificação de vídeo

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Publication number
BR112018016560A2
BR112018016560A2 BR112018016560A BR112018016560A BR112018016560A2 BR 112018016560 A2 BR112018016560 A2 BR 112018016560A2 BR 112018016560 A BR112018016560 A BR 112018016560A BR 112018016560 A BR112018016560 A BR 112018016560A BR 112018016560 A2 BR112018016560 A2 BR 112018016560A2
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BR
Brazil
Prior art keywords
filter
series
current block
video coding
current
Prior art date
Application number
BR112018016560A
Other languages
English (en)
Inventor
Zhang Li
Karczewicz Marta
Chien Wei-Jung
Original Assignee
Qualcomm Inc
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Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112018016560A2 publication Critical patent/BR112018016560A2/pt

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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
    • H04N19/102—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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • 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
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence

Landscapes

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

Abstract

em um exemplo, um aparelho inclui uma memória configurada para armazenar dados de vídeo e uma ou mais unidades de processamento implementadas em circuitos configurados para construir uma série de filtros para classes de blocos da imagem atual dos dados de vídeo, no qual, para construir a série de filtros, a unidade ou unidades de processamento são configuradas para gerar uma série de conjuntos de coeficientes de filtro e que identificam um dos conjuntos de coeficientes de filtro, determinar respectivos índices que identificam um dos conjuntos de coeficientes de filtro para o filtro correspondente do subconjunto, decodificar o bloco atual da imagem atual, determinar uma classe para o bloco atual, selecionar um filtro da série de filtros que corresponde à classe para o bloco atual e filtrar pelo menos um pixel do bloco atual utilizando o filtro selecionado.
BR112018016560A 2016-02-15 2017-02-15 fundição de filtros para várias classes de blocos para codificação de vídeo BR112018016560A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662295461P 2016-02-15 2016-02-15
US201662324776P 2016-04-19 2016-04-19
US15/432,857 US11064195B2 (en) 2016-02-15 2017-02-14 Merging filters for multiple classes of blocks for video coding
PCT/US2017/017972 WO2017142946A1 (en) 2016-02-15 2017-02-15 Merging filters for multiple classes of blocks for video coding

Publications (1)

Publication Number Publication Date
BR112018016560A2 true BR112018016560A2 (pt) 2019-01-02

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Family Applications (3)

Application Number Title Priority Date Filing Date
BR112018016560A BR112018016560A2 (pt) 2016-02-15 2017-02-15 fundição de filtros para várias classes de blocos para codificação de vídeo
BR112018016598A BR112018016598A2 (pt) 2016-02-15 2017-02-15 transformadas geométricas para filtros para codificação de vídeo
BR112018016561A BR112018016561A2 (pt) 2016-02-15 2017-02-15 predição de coeficientes de filtro a partir de filtros fixos para codificação de vídeo

Family Applications After (2)

Application Number Title Priority Date Filing Date
BR112018016598A BR112018016598A2 (pt) 2016-02-15 2017-02-15 transformadas geométricas para filtros para codificação de vídeo
BR112018016561A BR112018016561A2 (pt) 2016-02-15 2017-02-15 predição de coeficientes de filtro a partir de filtros fixos para codificação de vídeo

Country Status (11)

Country Link
US (4) US11563938B2 (pt)
EP (3) EP3417614B1 (pt)
JP (4) JP7233218B2 (pt)
KR (3) KR20180113528A (pt)
CN (4) CN113891076A (pt)
BR (3) BR112018016560A2 (pt)
CA (3) CA3012051A1 (pt)
ES (3) ES2927641T3 (pt)
HU (3) HUE060035T2 (pt)
TW (3) TWI755376B (pt)
WO (3) WO2017142946A1 (pt)

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