JP5955974B2 - 最後有意係数の位置をコード化するためのコンテキスト最適化 - Google Patents

最後有意係数の位置をコード化するためのコンテキスト最適化 Download PDF

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JP5955974B2
JP5955974B2 JP2014541161A JP2014541161A JP5955974B2 JP 5955974 B2 JP5955974 B2 JP 5955974B2 JP 2014541161 A JP2014541161 A JP 2014541161A JP 2014541161 A JP2014541161 A JP 2014541161A JP 5955974 B2 JP5955974 B2 JP 5955974B2
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context
binary
transform block
block
video
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JP2015502080A5 (enExample
JP2015502080A (ja
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グオ、リウェイ
チエン、ウェイ−ジュン
カークゼウィックズ、マルタ
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Qualcomm Inc
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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
    • H03M7/4012—Binary arithmetic codes
    • H03M7/4018—Context adapative binary arithmetic codes [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
    • 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)
JP2014541161A 2011-11-08 2012-11-06 最後有意係数の位置をコード化するためのコンテキスト最適化 Active JP5955974B2 (ja)

Applications Claiming Priority (11)

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 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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JP2015502080A JP2015502080A (ja) 2015-01-19
JP2015502080A5 JP2015502080A5 (enExample) 2015-12-03
JP5955974B2 true JP5955974B2 (ja) 2016-07-20

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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) BR122020003135B1 (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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Also Published As

Publication number Publication date
BR112014011062B1 (pt) 2021-06-29
JP2015502080A (ja) 2015-01-19
PH12014500948A1 (en) 2017-07-19
RU2586002C2 (ru) 2016-06-10
EP2777163B1 (en) 2018-10-10
AU2012336023A1 (en) 2014-05-22
US20130114676A1 (en) 2013-05-09
BR122020003135B1 (pt) 2021-07-06
IN2014CN03431A (enExample) 2015-09-04
SG11201401614TA (en) 2014-07-30
KR101677356B1 (ko) 2016-11-17
CN104025457B (zh) 2017-06-30
MY168322A (en) 2018-10-30
KR20140098120A (ko) 2014-08-07
IL232331A0 (en) 2014-06-30
EP3637768B1 (en) 2021-04-21
BR112014011062A2 (pt) 2017-06-13
CA2854816A1 (en) 2013-05-16
EP2777163A1 (en) 2014-09-17
EP3439305A1 (en) 2019-02-06
AU2012336023B2 (en) 2016-01-07
ES2700523T3 (es) 2019-02-18
WO2013070610A1 (en) 2013-05-16
BR112014011062A8 (pt) 2017-06-20
EP3637768A1 (en) 2020-04-15
EP3439305B1 (en) 2020-03-11
CN104025457A (zh) 2014-09-03
US9357185B2 (en) 2016-05-31
RU2014123383A (ru) 2015-12-20
CA2854816C (en) 2017-06-06
IL232331A (en) 2017-05-29

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