BR112017025484B1 - Codificação de dados utilizando um design de codificação aritmética binária adaptativa ao contexto (cabac) aperfeiçoada - Google Patents

Codificação de dados utilizando um design de codificação aritmética binária adaptativa ao contexto (cabac) aperfeiçoada Download PDF

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BR112017025484B1
BR112017025484B1 BR112017025484-0A BR112017025484A BR112017025484B1 BR 112017025484 B1 BR112017025484 B1 BR 112017025484B1 BR 112017025484 A BR112017025484 A BR 112017025484A BR 112017025484 B1 BR112017025484 B1 BR 112017025484B1
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context
slice
current
image
video
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BR112017025484A2 (pt
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Li Zhang
Marta Karczewicz
Jianle Chen
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Qualcomm Incorporated
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    • HELECTRICITY
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
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    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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    • H04N19/102Methods 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
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
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    • H04N19/17Methods 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
    • H04N19/176Methods 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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    • H04N19/42Methods 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
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    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
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    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
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    • H04N19/17Methods 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
    • H04N19/172Methods 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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    • H04N19/169Methods 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
    • H04N19/184Methods 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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  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
BR112017025484-0A 2015-05-29 2016-05-27 Codificação de dados utilizando um design de codificação aritmética binária adaptativa ao contexto (cabac) aperfeiçoada BR112017025484B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562168571P 2015-05-29 2015-05-29
US62/168,571 2015-05-29
US15/166,132 US10334248B2 (en) 2015-05-29 2016-05-26 Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
US15/166,132 2016-05-26
PCT/US2016/034839 WO2016196376A1 (en) 2015-05-29 2016-05-27 Coding data using an enhanced context-adaptive binary arithmetic coding (cabac) design

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BR112017025484A2 BR112017025484A2 (pt) 2018-08-07
BR112017025484B1 true BR112017025484B1 (pt) 2023-10-31

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BR112017025484-0A BR112017025484B1 (pt) 2015-05-29 2016-05-27 Codificação de dados utilizando um design de codificação aritmética binária adaptativa ao contexto (cabac) aperfeiçoada
BR112017025556A BR112017025556A2 (pt) 2015-05-29 2016-05-27 conversão em código de dados com o uso de um modelo aprimorado de conversão em código aritmética binária adaptável a contexto (cabac)
BR112017025521A BR112017025521A2 (pt) 2015-05-29 2016-05-27 codificação de dados com o uso de um modelo aprimorado de conversão em código aritmética binária adaptável a contexto (cabac)

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BR112017025521A BR112017025521A2 (pt) 2015-05-29 2016-05-27 codificação de dados com o uso de um modelo aprimorado de conversão em código aritmética binária adaptável a contexto (cabac)

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US (3) US11233998B2 (enExample)
EP (3) EP3304901A1 (enExample)
JP (3) JP6619028B2 (enExample)
KR (3) KR102600724B1 (enExample)
CN (3) CN107667531B (enExample)
AU (3) AU2016271130B2 (enExample)
BR (3) BR112017025484B1 (enExample)
ES (1) ES2905415T3 (enExample)
TW (3) TW201711464A (enExample)
WO (3) WO2016196369A1 (enExample)

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