BR112014004920A2 - decisões de filtro de desbloqueio de baixa complexidade - Google Patents

decisões de filtro de desbloqueio de baixa complexidade

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Publication number
BR112014004920A2
BR112014004920A2 BR112014004920A BR112014004920A BR112014004920A2 BR 112014004920 A2 BR112014004920 A2 BR 112014004920A2 BR 112014004920 A BR112014004920 A BR 112014004920A BR 112014004920 A BR112014004920 A BR 112014004920A BR 112014004920 A2 BR112014004920 A2 BR 112014004920A2
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BR
Brazil
Prior art keywords
unlock
low complexity
unlock filter
filter decisions
selection
Prior art date
Application number
BR112014004920A
Other languages
English (en)
Other versions
BR112014004920B1 (pt
BR112014004920B8 (pt
Inventor
Narroschke Matthias
Esenlik Semih
Wedi Thomas
Original Assignee
Panasonic Corp
Panasonic Ip Corp America
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Publication date
Application filed by Panasonic Corp, Panasonic Ip Corp America filed Critical Panasonic Corp
Publication of BR112014004920A2 publication Critical patent/BR112014004920A2/pt
Publication of BR112014004920B1 publication Critical patent/BR112014004920B1/pt
Publication of BR112014004920B8 publication Critical patent/BR112014004920B8/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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • H04N19/865—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness with detection of the former encoding block subdivision in decompressed video
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/169—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
    • H04N19/169—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
    • H04N19/182—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 pixel
    • 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
    • H04N19/423—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 characterised by memory arrangements
    • 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
    • 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

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

Abstract

resumo patente de invenção: "decisões de filtro de desbloqueio de baixa complexidade". a presente invenção refere-se à filtragem de desbloqueio, que pode ser vantajosamente aplicada para a codificação e a decodificação em termos de bloco de imagens ou de sinais de vídeo. em particular, a presente invenção refere-se a um gerenciamento de memória incrementado em uma decisão automatizada quanto ao fato se uma filtragem de desbloqueio para um bloco deve ser aplicada ou pulada e à seleção do filtro de desbloqueio. a decisão é tomada com base em uma segmentação de blocos de uma maneira tal que o uso da memória é otimizado. de preferência, a seleção de filtros de desbloqueio apropriados é incrementada de modo a reduzir as despesas de computação.
BR112014004920A 2011-09-09 2012-09-06 Decisões de filtro de desbloqueio de baixa complexidade BR112014004920B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161532793P 2011-09-09 2011-09-09
US61/532,793 2011-09-09
PCT/EP2012/067433 WO2013034649A1 (en) 2011-09-09 2012-09-06 Low complex deblocking filter decisions

Publications (3)

Publication Number Publication Date
BR112014004920A2 true BR112014004920A2 (pt) 2019-04-02
BR112014004920B1 BR112014004920B1 (pt) 2022-06-07
BR112014004920B8 BR112014004920B8 (pt) 2022-09-27

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BR112014004920A BR112014004920B8 (pt) 2011-09-09 2012-09-06 Decisões de filtro de desbloqueio de baixa complexidade

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Country Link
US (9) US9143778B2 (pt)
EP (2) EP2754295B1 (pt)
JP (5) JP2014526818A (pt)
KR (2) KR102039544B1 (pt)
CN (3) CN103765889B (pt)
BR (1) BR112014004920B8 (pt)
CA (1) CA2841246C (pt)
ES (2) ES2664721T3 (pt)
MX (1) MX2014002529A (pt)
MY (1) MY167341A (pt)
PL (2) PL3306921T3 (pt)
TW (1) TWI514852B (pt)
WO (1) WO2013034649A1 (pt)

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Publication number Publication date
US20210120274A1 (en) 2021-04-22
JP2017216690A (ja) 2017-12-07
CA2841246A1 (en) 2013-03-14
US20170208346A1 (en) 2017-07-20
US20190158886A1 (en) 2019-05-23
US9648354B2 (en) 2017-05-09
BR112014004920B1 (pt) 2022-06-07
ES2664721T3 (es) 2018-04-23
JP6620995B2 (ja) 2019-12-18
US20180262781A1 (en) 2018-09-13
JP7361285B2 (ja) 2023-10-16
EP3306921B1 (en) 2020-11-04
JP2021177640A (ja) 2021-11-11
US9143778B2 (en) 2015-09-22
US11218736B2 (en) 2022-01-04
CN107172427A (zh) 2017-09-15
KR102039544B1 (ko) 2019-11-01
EP2754295B1 (en) 2018-01-24
CN103765889A (zh) 2014-04-30
CA2841246C (en) 2019-09-24
US20150304687A1 (en) 2015-10-22
US9402088B2 (en) 2016-07-26
US20200359056A1 (en) 2020-11-12
BR112014004920B8 (pt) 2022-09-27
US20220086504A1 (en) 2022-03-17
US20140185689A1 (en) 2014-07-03
JP2014526818A (ja) 2014-10-06
TWI514852B (zh) 2015-12-21
PL3306921T3 (pl) 2021-05-04
KR102039076B1 (ko) 2019-10-31
CN107197254A (zh) 2017-09-22
EP3306921A1 (en) 2018-04-11
US9948958B2 (en) 2018-04-17
CN103765889B (zh) 2017-05-24
WO2013034649A1 (en) 2013-03-14
EP2754295A1 (en) 2014-07-16
KR20140071316A (ko) 2014-06-11
PL2754295T3 (pl) 2018-07-31
US20160301951A1 (en) 2016-10-13
MY167341A (en) 2018-08-16
TW201325246A (zh) 2013-06-16
KR20170106494A (ko) 2017-09-20
US10897634B2 (en) 2021-01-19
CN107197254B (zh) 2020-03-03
CN107172427B (zh) 2021-01-05
US10237578B2 (en) 2019-03-19
JP2020022207A (ja) 2020-02-06
US10779010B2 (en) 2020-09-15
JP2023166602A (ja) 2023-11-21
MX2014002529A (es) 2014-05-13
ES2835801T3 (es) 2021-06-23

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