SG11201401687XA - Number of contexts reduction for context adaptive binary arithmetic coding - Google Patents

Number of contexts reduction for context adaptive binary arithmetic coding

Info

Publication number
SG11201401687XA
SG11201401687XA SG11201401687XA SG11201401687XA SG11201401687XA SG 11201401687X A SG11201401687X A SG 11201401687XA SG 11201401687X A SG11201401687X A SG 11201401687XA SG 11201401687X A SG11201401687X A SG 11201401687XA SG 11201401687X A SG11201401687X A SG 11201401687XA
Authority
SG
Singapore
Prior art keywords
contexts
reduction
arithmetic coding
binary arithmetic
adaptive binary
Prior art date
Application number
SG11201401687XA
Other languages
English (en)
Inventor
Wei-Jung Chien
Rojals Joel Sole
Marta Karczewicz
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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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=SG11201401687X(A) "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 SG11201401687XA publication Critical patent/SG11201401687XA/en

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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
    • H04N19/10—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
    • 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
    • H04N19/13—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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)
SG11201401687XA 2011-11-08 2012-10-05 Number of contexts reduction for context adaptive binary arithmetic coding SG11201401687XA (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
SG11201401687XA true SG11201401687XA (en) 2014-06-27

Family

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SG11201401687XA SG11201401687XA (en) 2011-11-08 2012-10-05 Number of contexts reduction for context adaptive binary arithmetic coding
SG11201401685UA SG11201401685UA (en) 2011-11-08 2012-10-05 Context reduction for context adaptive binary arithmetic coding
SG11201401682YA SG11201401682YA (en) 2011-11-08 2012-10-05 Number of context reduction for context adaptive binary arithmetic coding

Family Applications After (2)

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SG11201401685UA SG11201401685UA (en) 2011-11-08 2012-10-05 Context reduction for context adaptive binary arithmetic coding
SG11201401682YA SG11201401682YA (en) 2011-11-08 2012-10-05 Number of context reduction for context adaptive binary arithmetic coding

Country Status (21)

Country Link
US (5) US9288508B2 (enrdf_load_stackoverflow)
EP (4) EP2777160B9 (enrdf_load_stackoverflow)
JP (3) JP5847958B2 (enrdf_load_stackoverflow)
KR (3) KR101633200B1 (enrdf_load_stackoverflow)
CN (3) CN103999367B (enrdf_load_stackoverflow)
AU (3) AU2012336323B2 (enrdf_load_stackoverflow)
BR (3) BR112014011065B1 (enrdf_load_stackoverflow)
CA (3) CA2854822C (enrdf_load_stackoverflow)
DK (2) DK2777162T3 (enrdf_load_stackoverflow)
ES (4) ES2992040T3 (enrdf_load_stackoverflow)
HU (2) HUE026070T2 (enrdf_load_stackoverflow)
IL (7) IL232287A (enrdf_load_stackoverflow)
IN (3) IN2014CN03388A (enrdf_load_stackoverflow)
MY (4) MY189724A (enrdf_load_stackoverflow)
PH (3) PH12014501006B1 (enrdf_load_stackoverflow)
PL (3) PL3442126T3 (enrdf_load_stackoverflow)
PT (2) PT2777160E (enrdf_load_stackoverflow)
RU (1) RU2602380C2 (enrdf_load_stackoverflow)
SG (3) SG11201401687XA (enrdf_load_stackoverflow)
WO (3) WO2013070354A1 (enrdf_load_stackoverflow)
ZA (2) ZA201404182B (enrdf_load_stackoverflow)

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