BR112014011060A2 - número de redução de contextos para codificação aritmética binária adaptativa de contexto - Google Patents

número de redução de contextos para codificação aritmética binária adaptativa de contexto

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Publication number
BR112014011060A2
BR112014011060A2 BR112014011060A BR112014011060A BR112014011060A2 BR 112014011060 A2 BR112014011060 A2 BR 112014011060A2 BR 112014011060 A BR112014011060 A BR 112014011060A BR 112014011060 A BR112014011060 A BR 112014011060A BR 112014011060 A2 BR112014011060 A2 BR 112014011060A2
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BR
Brazil
Prior art keywords
context
arithmetic coding
binary arithmetic
adaptive binary
reduction number
Prior art date
Application number
BR112014011060A
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English (en)
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BR112014011060A8 (pt
BR112014011060B1 (pt
Inventor
Sole Rojals Joel
Karczewicz Marta
Chien Wei-Jung
Original Assignee
Qualcomm Inc
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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=BR112014011060(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112014011060A2 publication Critical patent/BR112014011060A2/pt
Publication of BR112014011060A8 publication Critical patent/BR112014011060A8/pt
Publication of BR112014011060B1 publication Critical patent/BR112014011060B1/pt

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Classifications

    • 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
BR112014011060-3A 2011-11-08 2012-10-05 Número de redução de contextos para codificação aritmética binária adaptativa de contexto BR112014011060B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201161557325P 2011-11-08 2011-11-08
US61/557,325 2011-11-08
US201161561911P 2011-11-20 2011-11-20
US61/561,911 2011-11-20
US13/645,308 US9451287B2 (en) 2011-11-08 2012-10-04 Context reduction for context adaptive binary arithmetic coding
US13/645,308 2012-10-04
PCT/US2012/059095 WO2013070354A1 (en) 2011-11-08 2012-10-05 Number of contexts reduction for context adaptive binary arithmetic coding

Publications (3)

Publication Number Publication Date
BR112014011060A2 true BR112014011060A2 (pt) 2017-06-13
BR112014011060A8 BR112014011060A8 (pt) 2017-06-20
BR112014011060B1 BR112014011060B1 (pt) 2021-07-13

Family

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Family Applications (3)

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BR112014011065-4A BR112014011065B1 (pt) 2011-11-08 2012-10-05 Número de redução de contexto para codificação aritmética binária adaptativa ao contexto
BR112014011063-8A BR112014011063B1 (pt) 2011-11-08 2012-10-05 Redução de contexto para codificação aritmética binária adaptativa de contexto
BR112014011060-3A BR112014011060B1 (pt) 2011-11-08 2012-10-05 Número de redução de contextos para codificação aritmética binária adaptativa de contexto

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BR112014011065-4A BR112014011065B1 (pt) 2011-11-08 2012-10-05 Número de redução de contexto para codificação aritmética binária adaptativa ao contexto
BR112014011063-8A BR112014011063B1 (pt) 2011-11-08 2012-10-05 Redução de contexto para codificação aritmética binária adaptativa de contexto

Country Status (21)

Country Link
US (5) US9288508B2 (pt)
EP (4) EP3442126A1 (pt)
JP (3) JP5964448B2 (pt)
KR (3) KR101633200B1 (pt)
CN (3) CN104040900B (pt)
AU (3) AU2012336323B2 (pt)
BR (3) BR112014011065B1 (pt)
CA (3) CA2854822C (pt)
DK (2) DK2777160T5 (pt)
ES (3) ES2549145T3 (pt)
HK (2) HK1198401A1 (pt)
HU (2) HUE027592T2 (pt)
IL (7) IL232288A (pt)
IN (3) IN2014CN03460A (pt)
MY (4) MY166487A (pt)
PL (2) PL2777160T3 (pt)
PT (2) PT2777160E (pt)
RU (1) RU2602380C2 (pt)
SG (3) SG11201401682YA (pt)
WO (3) WO2013070353A1 (pt)
ZA (2) ZA201404184B (pt)

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