BR112018073380A2 - confusão de múltiplos filtros em filtragem de loop adaptativa em codificação de vídeo - Google Patents

confusão de múltiplos filtros em filtragem de loop adaptativa em codificação de vídeo

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Publication number
BR112018073380A2
BR112018073380A2 BR112018073380-6A BR112018073380A BR112018073380A2 BR 112018073380 A2 BR112018073380 A2 BR 112018073380A2 BR 112018073380 A BR112018073380 A BR 112018073380A BR 112018073380 A2 BR112018073380 A2 BR 112018073380A2
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BR
Brazil
Prior art keywords
current image
confusion
video coding
loop filtering
adaptive loop
Prior art date
Application number
BR112018073380-6A
Other languages
English (en)
Inventor
Karczewicz Marta
Zhang Li
Chien Wei-Jung
Original Assignee
Qualcomm Incorporated
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Filing date
Publication date
Application filed by Qualcomm Incorporated filed Critical Qualcomm Incorporated
Publication of BR112018073380A2 publication Critical patent/BR112018073380A2/pt

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    • 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
    • H04N19/102—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/42—Methods 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
    • H04N19/439—Methods 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 using cascaded computational arrangements for performing a single operation, e.g. filtering
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • 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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

a presente invenção refere-se a um aparelho para codificação ou decodificação de dados de vídeo que reconstrói um ou mais blocos de uma imagem atual dos dados de vídeo. o um ou mais blocos da imagem atual compreendem amostras reconstruídas da imagem atual. além disso, após a reconstrução do um ou mais blocos da imagem atual, o aparelho aplica uma função específica de uma pluralidade de filtros a um bloco atual da imagem atual. o bloco atual compreende as amostras reconstruídas da imagem atual.
BR112018073380-6A 2016-05-16 2017-05-16 confusão de múltiplos filtros em filtragem de loop adaptativa em codificação de vídeo BR112018073380A2 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201662337243P 2016-05-16 2016-05-16
US62/337,243 2016-05-16
US201662440877P 2016-12-30 2016-12-30
US62/440,877 2016-12-30
US15/595,018 US10419755B2 (en) 2016-05-16 2017-05-15 Confusion of multiple filters in adaptive loop filtering in video coding
US15/595,018 2017-05-15
PCT/US2017/032853 WO2017201011A1 (en) 2016-05-16 2017-05-16 Confusion of multiple filters in adaptive loop filtering in video coding

Publications (1)

Publication Number Publication Date
BR112018073380A2 true BR112018073380A2 (pt) 2019-03-06

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BR112018073380-6A BR112018073380A2 (pt) 2016-05-16 2017-05-16 confusão de múltiplos filtros em filtragem de loop adaptativa em codificação de vídeo

Country Status (9)

Country Link
US (1) US10419755B2 (pt)
EP (1) EP3459245B1 (pt)
JP (1) JP2019519982A (pt)
KR (1) KR102519780B1 (pt)
CN (1) CN109076218B (pt)
BR (1) BR112018073380A2 (pt)
CA (1) CA3020233A1 (pt)
TW (1) TW201743619A (pt)
WO (1) WO2017201011A1 (pt)

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US20170332075A1 (en) 2017-11-16
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EP3459245B1 (en) 2022-07-27
KR102519780B1 (ko) 2023-04-07
CA3020233A1 (en) 2017-11-23
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CN109076218A (zh) 2018-12-21
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