BR112014011062B1 - 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 - Google Patents

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 Download PDF

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BR112014011062B1
BR112014011062B1 BR112014011062-0A BR112014011062A BR112014011062B1 BR 112014011062 B1 BR112014011062 B1 BR 112014011062B1 BR 112014011062 A BR112014011062 A BR 112014011062A BR 112014011062 B1 BR112014011062 B1 BR 112014011062B1
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binary
context
transform block
binary sequence
index
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BR112014011062-0A
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Portuguese (pt)
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BR112014011062A2 (pt
BR112014011062A8 (pt
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Marta Karczewicz
Liwei GUO
Wei-Jung Chien
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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
    • H04N19/18—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
    • 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

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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)
BR112014011062-0A 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 BR112014011062B1 (pt)

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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

Applications Claiming Priority (11)

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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 US9357185B2 (en) 2011-11-08 2012-11-05 Context optimization for last significant coefficient position coding
US13/669,096 2012-11-05
PCT/US2012/063717 WO2013070610A1 (en) 2011-11-08 2012-11-06 Context optimization for last significant coefficient position coding

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BR112014011062A2 BR112014011062A2 (pt) 2017-06-13
BR112014011062A8 BR112014011062A8 (pt) 2017-06-20
BR112014011062B1 true BR112014011062B1 (pt) 2021-06-29

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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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EP (3) EP3637768B1 (https=)
JP (1) JP5955974B2 (https=)
KR (1) KR101677356B1 (https=)
CN (1) CN104025457B (https=)
AU (1) AU2012336023B2 (https=)
BR (2) BR112014011062B1 (https=)
CA (1) CA2854816C (https=)
ES (1) ES2700523T3 (https=)
IL (1) IL232331A (https=)
IN (1) IN2014CN03431A (https=)
MY (1) MY168322A (https=)
PH (1) PH12014500948A1 (https=)
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Also Published As

Publication number Publication date
ES2700523T3 (es) 2019-02-18
CA2854816C (en) 2017-06-06
EP3439305B1 (en) 2020-03-11
PH12014500948A1 (en) 2017-07-19
RU2586002C2 (ru) 2016-06-10
EP2777163B1 (en) 2018-10-10
JP2015502080A (ja) 2015-01-19
BR112014011062A2 (pt) 2017-06-13
JP5955974B2 (ja) 2016-07-20
US20130114676A1 (en) 2013-05-09
SG11201401614TA (en) 2014-07-30
CN104025457A (zh) 2014-09-03
IN2014CN03431A (https=) 2015-09-04
BR112014011062A8 (pt) 2017-06-20
EP3637768B1 (en) 2021-04-21
EP3637768A1 (en) 2020-04-15
AU2012336023B2 (en) 2016-01-07
KR20140098120A (ko) 2014-08-07
CN104025457B (zh) 2017-06-30
IL232331A0 (en) 2014-06-30
MY168322A (en) 2018-10-30
IL232331A (en) 2017-05-29
US9357185B2 (en) 2016-05-31
WO2013070610A1 (en) 2013-05-16
BR122020003135B1 (pt) 2021-07-06
KR101677356B1 (ko) 2016-11-17
CA2854816A1 (en) 2013-05-16
AU2012336023A1 (en) 2014-05-22
RU2014123383A (ru) 2015-12-20
EP2777163A1 (en) 2014-09-17
EP3439305A1 (en) 2019-02-06

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