BR112013030498A2 - método de filtragem, método de decodificação e método de codificação - Google Patents

método de filtragem, método de decodificação e método de codificação

Info

Publication number
BR112013030498A2
BR112013030498A2 BR112013030498A BR112013030498A BR112013030498A2 BR 112013030498 A2 BR112013030498 A2 BR 112013030498A2 BR 112013030498 A BR112013030498 A BR 112013030498A BR 112013030498 A BR112013030498 A BR 112013030498A BR 112013030498 A2 BR112013030498 A2 BR 112013030498A2
Authority
BR
Brazil
Prior art keywords
filtering
quantization parameter
moving image
ipcm block
decoding
Prior art date
Application number
BR112013030498A
Other languages
English (en)
Other versions
BR112013030498B1 (pt
Inventor
Soon Lim Chong
Sasai Hisao
Mon Thet Naing Sue
Nishi Takahiro
Sugio Toshiyasu
Wahadaniah Viktor
Shibahara Youji
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Publication of BR112013030498A2 publication Critical patent/BR112013030498A2/pt
Publication of BR112013030498B1 publication Critical patent/BR112013030498B1/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
    • H04N19/85—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
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code modulation
    • 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
    • H04N19/134—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
    • H04N19/60—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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream

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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: "método de filtragem, método de decodificação de imagem em movimento, método de codificação de imagem em movimento, aparelho de decodificação de imagem em movimento, aparelho de codificação de imagem em movimento e aparelho de codificação e decodificação de imagem em movimento". a presente invenção refere-se a um método de filtragem de acordo com a presente invenção para a realização da filtragem de desblocagem no limite entre um bloco de ipcm e um bloco de não ipcm adjacente uns aos outros em uma imagem e que inclui: determinar um primeiro parâmetro de quantização para o bloco de não ipcm (s401); determinar um segundo parâmetro de quantização para o bloco de ipcm, com o uso do primeiro parâmetro de quantização (s402); determinar uma resistência de filtro para o limite, com o uso do primeiro parâmetro de quantização e do segundo parâmetro de quantização (s403); e realizar a filtragem de desblocagem no limite com o uso da resistência de filtro determinada (s404). 19873090v1
BR112013030498-7A 2011-07-19 2012-07-10 Método de filtragem de desblocagem para codificação e decodificação de vídeo BR112013030498B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161509193P 2011-07-19 2011-07-19
US61/509,193 2011-07-19
JP2013011659 2013-01-24

Publications (2)

Publication Number Publication Date
BR112013030498A2 true BR112013030498A2 (pt) 2017-12-12
BR112013030498B1 BR112013030498B1 (pt) 2022-06-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013030498-7A BR112013030498B1 (pt) 2011-07-19 2012-07-10 Método de filtragem de desblocagem para codificação e decodificação de vídeo

Country Status (17)

Country Link
US (5) US8787467B2 (pt)
EP (4) EP3843394B1 (pt)
JP (5) JP5391367B2 (pt)
KR (5) KR102129001B1 (pt)
CN (5) CN103703774B (pt)
AU (1) AU2012285242B2 (pt)
BR (1) BR112013030498B1 (pt)
CA (1) CA2837541C (pt)
ES (2) ES2786503T3 (pt)
HU (2) HUE053988T2 (pt)
LT (3) LT3843394T (pt)
MX (1) MX2013013783A (pt)
MY (1) MY165342A (pt)
PL (2) PL3661201T3 (pt)
RU (1) RU2606304C2 (pt)
TW (1) TW201309033A (pt)
WO (1) WO2013011659A1 (pt)

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