BR112012006688B1 - processo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes e processo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes - Google Patents

processo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes e processo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes Download PDF

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Publication number
BR112012006688B1
BR112012006688B1 BR112012006688-9A BR112012006688A BR112012006688B1 BR 112012006688 B1 BR112012006688 B1 BR 112012006688B1 BR 112012006688 A BR112012006688 A BR 112012006688A BR 112012006688 B1 BR112012006688 B1 BR 112012006688B1
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Brazil
Prior art keywords
spectral coefficients
current
context
quantization
spectral
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BR112012006688-9A
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English (en)
Portuguese (pt)
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BR112012006688A2 (pt
BR112012006688A8 (pt
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Oliver Wuebbolt
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Dolby International Ab
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Priority to BR122019019924-8A priority Critical patent/BR122019019924B1/pt
Priority to BR122019019559-5A priority patent/BR122019019559B1/pt
Publication of BR112012006688A2 publication Critical patent/BR112012006688A2/pt
Publication of BR112012006688A8 publication Critical patent/BR112012006688A8/pt
Publication of BR112012006688B1 publication Critical patent/BR112012006688B1/pt

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • 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
    • H04N19/169—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112012006688-9A 2009-10-09 2010-10-01 processo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes e processo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes BR112012006688B1 (pt)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR122019019924-8A BR122019019924B1 (pt) 2009-10-09 2010-10-01 processo e dispositivo para decodificação aritmética de um coeficiente espectral atual
BR122019019559-5A BR122019019559B1 (pt) 2009-10-09 2010-10-01 processo e dispositivo para codificação ou decodificação aritmética e meio de armazenamento não transitório

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09305961.6 2009-10-09
EP09305961A EP2315358A1 (en) 2009-10-09 2009-10-09 Method and device for arithmetic encoding or arithmetic decoding
PCT/EP2010/064644 WO2011042366A1 (en) 2009-10-09 2010-10-01 Method and device for arithmetic encoding or arithmetic decoding

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BR112012006688A2 BR112012006688A2 (pt) 2016-05-10
BR112012006688A8 BR112012006688A8 (pt) 2017-12-05
BR112012006688B1 true BR112012006688B1 (pt) 2021-03-16

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BR122019019924-8A BR122019019924B1 (pt) 2009-10-09 2010-10-01 processo e dispositivo para decodificação aritmética de um coeficiente espectral atual
BR122019019559-5A BR122019019559B1 (pt) 2009-10-09 2010-10-01 processo e dispositivo para codificação ou decodificação aritmética e meio de armazenamento não transitório

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BR122019019559-5A BR122019019559B1 (pt) 2009-10-09 2010-10-01 processo e dispositivo para codificação ou decodificação aritmética e meio de armazenamento não transitório

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US (9) US9219498B2 (https=)
EP (7) EP2315358A1 (https=)
JP (1) JP5666602B2 (https=)
KR (11) KR102168511B1 (https=)
CN (8) CN105119607B (https=)
AU (9) AU2010305548B2 (https=)
BR (3) BR112012006688B1 (https=)
CA (7) CA3121374C (https=)
ES (5) ES2956522T3 (https=)
MX (1) MX2012004172A (https=)
MY (4) MY176427A (https=)
RU (2) RU2691197C2 (https=)
TW (10) TWI714203B (https=)
WO (1) WO2011042366A1 (https=)
ZA (1) ZA201201402B (https=)

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HK1217827A1 (zh) 2017-01-20
KR102051015B1 (ko) 2019-12-02
US20180234109A1 (en) 2018-08-16
TWI714203B (zh) 2020-12-21
ES2743152T3 (es) 2020-02-18
HK1217825A1 (zh) 2017-01-20
CA2969949C (en) 2021-07-20
TW201616815A (zh) 2016-05-01
TW202025640A (zh) 2020-07-01
CA3178163A1 (en) 2011-04-14
CA3178149A1 (en) 2011-04-14
US12334958B2 (en) 2025-06-17
TWI676363B (zh) 2019-11-01
MX2012004172A (es) 2012-05-29
KR20220025126A (ko) 2022-03-03
KR102804559B1 (ko) 2025-05-08
ES3064183T3 (en) 2026-04-23
CA3121374A1 (en) 2011-04-14
AU2010305548A1 (en) 2012-04-05
EP4274101B1 (en) 2026-01-21
RU2012118634A (ru) 2013-11-20
US10516414B2 (en) 2019-12-24
US20210126649A1 (en) 2021-04-29
HK1211753A1 (en) 2016-05-27
KR101866361B1 (ko) 2018-06-12
TWI580198B (zh) 2017-04-21
CN105071815B (zh) 2018-10-16
ES2956522T3 (es) 2023-12-22
AU2023226688B2 (en) 2024-09-12
EP3591843B1 (en) 2021-03-03
EP3846348A1 (en) 2021-07-07
TW202306330A (zh) 2023-02-01
KR20170108178A (ko) 2017-09-26
KR101782300B1 (ko) 2017-09-26
CN105119607A (zh) 2015-12-02
RU2015135352A (ru) 2015-12-10
US20200076450A1 (en) 2020-03-05
RU2691197C2 (ru) 2019-06-11
KR101950253B1 (ko) 2019-02-20
KR20190020166A (ko) 2019-02-27
US9973208B2 (en) 2018-05-15
MY160033A (en) 2017-02-15
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US20160211864A1 (en) 2016-07-21
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CN104993833A (zh) 2015-10-21
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US9219498B2 (en) 2015-12-22
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US11381249B2 (en) 2022-07-05
CN104993833B (zh) 2018-07-27
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EP3591843A1 (en) 2020-01-08
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US20230421174A1 (en) 2023-12-28
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AU2025210849A1 (en) 2025-08-21
KR102361280B1 (ko) 2022-02-14
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US10848180B2 (en) 2020-11-24
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US20120195375A1 (en) 2012-08-02
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