PH12014500948A1 - Context optimization for last significant coefficient position coding - Google Patents

Context optimization for last significant coefficient position coding

Info

Publication number
PH12014500948A1
PH12014500948A1 PH1/2014/500948A PH12014500948A PH12014500948A1 PH 12014500948 A1 PH12014500948 A1 PH 12014500948A1 PH 12014500948 A PH12014500948 A PH 12014500948A PH 12014500948 A1 PH12014500948 A1 PH 12014500948A1
Authority
PH
Philippines
Prior art keywords
binary
context
significant coefficient
last significant
last
Prior art date
Application number
PH1/2014/500948A
Other languages
English (en)
Inventor
Wei-Jung Chien
Liwei Guo
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of PH12014500948A1 publication Critical patent/PH12014500948A1/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006Conversion to or from arithmetic code
    • H03M7/4012Binary arithmetic codes
    • H03M7/4018Context adapative binary arithmetic codes [CABAC]
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4031Fixed length to variable length coding
    • H03M7/4037Prefix coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • H04N19/102Methods 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]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • H04N19/169Methods 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
    • H04N19/18Methods 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

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)
PH1/2014/500948A 2011-11-08 2012-11-06 Context optimization for last significant coefficient position coding PH12014500948A1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201161557317P 2011-11-08 2011-11-08
US201161561909P 2011-11-20 2011-11-20
US201261588579P 2012-01-19 2012-01-19
US201261596049P 2012-02-07 2012-02-07
US13/669,096 US9357185B2 (en) 2011-11-08 2012-11-05 Context optimization for last significant coefficient position coding
PCT/US2012/063717 WO2013070610A1 (en) 2011-11-08 2012-11-06 Context optimization for last significant coefficient position coding

Publications (1)

Publication Number Publication Date
PH12014500948A1 true PH12014500948A1 (en) 2017-07-19

Family

ID=48223671

Family Applications (1)

Application Number Title Priority Date Filing Date
PH1/2014/500948A PH12014500948A1 (en) 2011-11-08 2012-11-06 Context optimization for last significant coefficient position coding

Country Status (16)

Country Link
US (1) US9357185B2 (https=)
EP (3) EP3439305B1 (https=)
JP (1) JP5955974B2 (https=)
KR (1) KR101677356B1 (https=)
CN (1) CN104025457B (https=)
AU (1) AU2012336023B2 (https=)
BR (2) BR112014011062B1 (https=)
CA (1) CA2854816C (https=)
ES (1) ES2700523T3 (https=)
IL (1) IL232331A (https=)
IN (1) IN2014CN03431A (https=)
MY (1) MY168322A (https=)
PH (1) PH12014500948A1 (https=)
RU (1) RU2586002C2 (https=)
SG (1) SG11201401614TA (https=)
WO (1) WO2013070610A1 (https=)

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Also Published As

Publication number Publication date
JP5955974B2 (ja) 2016-07-20
KR20140098120A (ko) 2014-08-07
BR122020003135B1 (pt) 2021-07-06
IL232331A0 (en) 2014-06-30
CN104025457B (zh) 2017-06-30
SG11201401614TA (en) 2014-07-30
AU2012336023A1 (en) 2014-05-22
BR112014011062B1 (pt) 2021-06-29
US9357185B2 (en) 2016-05-31
MY168322A (en) 2018-10-30
RU2014123383A (ru) 2015-12-20
JP2015502080A (ja) 2015-01-19
WO2013070610A1 (en) 2013-05-16
IL232331A (en) 2017-05-29
CN104025457A (zh) 2014-09-03
AU2012336023B2 (en) 2016-01-07
IN2014CN03431A (https=) 2015-09-04
EP3439305A1 (en) 2019-02-06
EP2777163A1 (en) 2014-09-17
US20130114676A1 (en) 2013-05-09
CA2854816C (en) 2017-06-06
BR112014011062A8 (pt) 2017-06-20
BR112014011062A2 (pt) 2017-06-13
EP3439305B1 (en) 2020-03-11
EP3637768B1 (en) 2021-04-21
CA2854816A1 (en) 2013-05-16
EP3637768A1 (en) 2020-04-15
EP2777163B1 (en) 2018-10-10
KR101677356B1 (ko) 2016-11-17
RU2586002C2 (ru) 2016-06-10
ES2700523T3 (es) 2019-02-18

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