BR122020003135B1 - Método e dispositivo para decodificar dados de vídeo e meio de armazenamento não transitório legível por computador - Google Patents

Método e dispositivo para decodificar dados de vídeo e meio de armazenamento não transitório legível por computador Download PDF

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Publication number
BR122020003135B1
BR122020003135B1 BR122020003135-2A BR122020003135A BR122020003135B1 BR 122020003135 B1 BR122020003135 B1 BR 122020003135B1 BR 122020003135 A BR122020003135 A BR 122020003135A BR 122020003135 B1 BR122020003135 B1 BR 122020003135B1
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Brazil
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video
binary
binary sequence
context
block
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BR122020003135-2A
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English (en)
Portuguese (pt)
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Liwei GUO
Wei-Jung Chien
Marta Karczewicz
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Velos Media International Limited
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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
    • 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
    • H03M7/4012—Binary arithmetic codes
    • H03M7/4018—Context adapative binary arithmetic codes [CABAC]
    • 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
    • H03M7/4031—Fixed length to variable length coding
    • H03M7/4037—Prefix 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
    • H04N19/102—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
    • H04N19/169—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
    • H04N19/18—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 set of transform coefficients

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BR122020003135-2A 2011-11-08 2012-11-06 Método e dispositivo para decodificar dados de vídeo e meio de armazenamento não transitório legível por computador BR122020003135B1 (pt)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
US201161557317P 2011-11-08 2011-11-08
US61/557.317 2011-11-08
US201161561909P 2011-11-20 2011-11-20
US61/561.909 2011-11-20
US201261588579P 2012-01-19 2012-01-19
US61/588.579 2012-01-19
US201261596049P 2012-02-07 2012-02-07
US61/596.049 2012-02-07
US13/669.096 2012-11-05
US13/669,096 US9357185B2 (en) 2011-11-08 2012-11-05 Context optimization for last significant coefficient position coding
BR112014011062-0A BR112014011062B1 (pt) 2011-11-08 2012-11-06 Método e aparelho configurado para codificar e decodificar coeficientes de transformada para um bloco de transformada de um bloco de vídeo e meio de armazenamento legível por computador
PCT/US2012/063717 WO2013070610A1 (en) 2011-11-08 2012-11-06 Context optimization for last significant coefficient position coding

Publications (1)

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BR122020003135B1 true BR122020003135B1 (pt) 2021-07-06

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BR112014011062-0A BR112014011062B1 (pt) 2011-11-08 2012-11-06 Método e aparelho configurado para codificar e decodificar coeficientes de transformada para um bloco de transformada de um bloco de vídeo e meio de armazenamento legível por computador
BR122020003135-2A BR122020003135B1 (pt) 2011-11-08 2012-11-06 Método e dispositivo para decodificar dados de vídeo e meio de armazenamento não transitório legível por computador

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BR112014011062-0A BR112014011062B1 (pt) 2011-11-08 2012-11-06 Método e aparelho configurado para codificar e decodificar coeficientes de transformada para um bloco de transformada de um bloco de vídeo e meio de armazenamento legível por computador

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US (1) US9357185B2 (enExample)
EP (3) EP2777163B1 (enExample)
JP (1) JP5955974B2 (enExample)
KR (1) KR101677356B1 (enExample)
CN (1) CN104025457B (enExample)
AU (1) AU2012336023B2 (enExample)
BR (2) BR112014011062B1 (enExample)
CA (1) CA2854816C (enExample)
ES (1) ES2700523T3 (enExample)
IL (1) IL232331A (enExample)
IN (1) IN2014CN03431A (enExample)
MY (1) MY168322A (enExample)
PH (1) PH12014500948A1 (enExample)
RU (1) RU2586002C2 (enExample)
SG (1) SG11201401614TA (enExample)
WO (1) WO2013070610A1 (enExample)

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Publication number Publication date
AU2012336023B2 (en) 2016-01-07
KR20140098120A (ko) 2014-08-07
EP3637768B1 (en) 2021-04-21
CN104025457B (zh) 2017-06-30
EP2777163B1 (en) 2018-10-10
US20130114676A1 (en) 2013-05-09
IN2014CN03431A (enExample) 2015-09-04
ES2700523T3 (es) 2019-02-18
IL232331A0 (en) 2014-06-30
WO2013070610A1 (en) 2013-05-16
KR101677356B1 (ko) 2016-11-17
SG11201401614TA (en) 2014-07-30
JP2015502080A (ja) 2015-01-19
EP3439305B1 (en) 2020-03-11
CA2854816A1 (en) 2013-05-16
AU2012336023A1 (en) 2014-05-22
MY168322A (en) 2018-10-30
BR112014011062A8 (pt) 2017-06-20
EP3637768A1 (en) 2020-04-15
CN104025457A (zh) 2014-09-03
EP3439305A1 (en) 2019-02-06
EP2777163A1 (en) 2014-09-17
CA2854816C (en) 2017-06-06
RU2014123383A (ru) 2015-12-20
JP5955974B2 (ja) 2016-07-20
BR112014011062B1 (pt) 2021-06-29
BR112014011062A2 (pt) 2017-06-13
US9357185B2 (en) 2016-05-31
PH12014500948A1 (en) 2017-07-19
RU2586002C2 (ru) 2016-06-10
IL232331A (en) 2017-05-29

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