HK1198401A1 - Number of contexts reduction for context adaptive binary arithmetic coding - Google Patents

Number of contexts reduction for context adaptive binary arithmetic coding

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Publication number
HK1198401A1
HK1198401A1 HK14111884A HK14111884A HK1198401A1 HK 1198401 A1 HK1198401 A1 HK 1198401A1 HK 14111884 A HK14111884 A HK 14111884A HK 14111884 A HK14111884 A HK 14111884A HK 1198401 A1 HK1198401 A1 HK 1198401A1
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HK
Hong Kong
Prior art keywords
contexts
reduction
arithmetic coding
binary arithmetic
adaptive binary
Prior art date
Application number
HK14111884A
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English (en)
Chinese (zh)
Inventor
錢威俊
霍埃爾．索賴．羅哈斯
馬爾塔．卡切維奇
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48223670&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1198401(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of HK1198401A1 publication Critical patent/HK1198401A1/xx

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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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • 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
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • 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
    • H04N19/134—Methods 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive 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
    • H04N19/90—Methods 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • 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)
HK14111884A 2011-11-08 2014-11-24 Number of contexts reduction for context adaptive binary arithmetic coding HK1198401A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161557325P 2011-11-08 2011-11-08
US201161561911P 2011-11-20 2011-11-20
US13/645,308 US9451287B2 (en) 2011-11-08 2012-10-04 Context reduction for context adaptive binary arithmetic coding
PCT/US2012/059095 WO2013070354A1 (en) 2011-11-08 2012-10-05 Number of contexts reduction for context adaptive binary arithmetic coding

Publications (1)

Publication Number Publication Date
HK1198401A1 true HK1198401A1 (en) 2015-04-17

Family

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Application Number Title Priority Date Filing Date
HK14111884A HK1198401A1 (en) 2011-11-08 2014-11-24 Number of contexts reduction for context adaptive binary arithmetic coding
HK14112658.2A HK1199152A1 (en) 2011-11-08 2014-12-17 Context reduction for context adaptive binary arithmetic coding

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HK14112658.2A HK1199152A1 (en) 2011-11-08 2014-12-17 Context reduction for context adaptive binary arithmetic coding

Country Status (21)

Country Link
US (5) US9237358B2 (ja)
EP (4) EP2777160B9 (ja)
JP (3) JP5847958B2 (ja)
KR (3) KR101633200B1 (ja)
CN (3) CN104040900B (ja)
AU (3) AU2012336324B2 (ja)
BR (3) BR112014011063B1 (ja)
CA (3) CA2854830C (ja)
DK (2) DK2777162T3 (ja)
ES (3) ES2550803T3 (ja)
HK (2) HK1198401A1 (ja)
HU (2) HUE027592T2 (ja)
IL (7) IL232286B (ja)
IN (3) IN2014CN03430A (ja)
MY (4) MY168697A (ja)
PL (2) PL2777162T3 (ja)
PT (2) PT2777160E (ja)
RU (1) RU2602380C2 (ja)
SG (3) SG11201401685UA (ja)
WO (3) WO2013070355A1 (ja)
ZA (2) ZA201404182B (ja)

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