CA2854509C - Progressive coding of position of last significant coefficient - Google Patents

Progressive coding of position of last significant coefficient Download PDF

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Publication number
CA2854509C
CA2854509C CA2854509A CA2854509A CA2854509C CA 2854509 C CA2854509 C CA 2854509C CA 2854509 A CA2854509 A CA 2854509A CA 2854509 A CA2854509 A CA 2854509A CA 2854509 C CA2854509 C CA 2854509C
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binary string
significant coefficient
last significant
value indicating
binary
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CA2854509A
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English (en)
French (fr)
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CA2854509A1 (en
Inventor
Wei-Jung Chien
Joel Sole Rojals
Marta Karczewicz
Rajan Laxman Joshi
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
    • 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
    • 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
    • H04N19/18—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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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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)
CA2854509A 2011-11-08 2012-11-06 Progressive coding of position of last significant coefficient Active CA2854509C (en)

Applications Claiming Priority (7)

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
US13/669,032 2012-11-05
US13/669,032 US9154792B2 (en) 2011-11-08 2012-11-05 Progressive coding of position of last significant coefficient
PCT/US2012/063707 WO2013070604A1 (en) 2011-11-08 2012-11-06 Progressive coding of position of last significant coefficient

Publications (2)

Publication Number Publication Date
CA2854509A1 CA2854509A1 (en) 2013-05-16
CA2854509C true CA2854509C (en) 2017-08-29

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Family Applications (1)

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CA2854509A Active CA2854509C (en) 2011-11-08 2012-11-06 Progressive coding of position of last significant coefficient

Country Status (16)

Country Link
US (1) US9154792B2 (enExample)
EP (2) EP2777261B1 (enExample)
JP (1) JP5855759B2 (enExample)
KR (1) KR101650640B1 (enExample)
CN (2) CN104025603B (enExample)
AU (1) AU2012336017B2 (enExample)
BR (1) BR112014011058B1 (enExample)
CA (1) CA2854509C (enExample)
ES (1) ES2717679T3 (enExample)
IL (1) IL232332A (enExample)
IN (1) IN2014CN03426A (enExample)
MY (1) MY176686A (enExample)
PH (1) PH12014501036B1 (enExample)
RU (1) RU2595892C2 (enExample)
SG (1) SG11201401612XA (enExample)
WO (1) WO2013070604A1 (enExample)

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KR102365119B1 (ko) * 2018-11-12 2022-02-18 엘지전자 주식회사 고주파 제로잉을 기반으로 변환 계수를 코딩하는 방법 및 그 장치
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Also Published As

Publication number Publication date
JP2015502079A (ja) 2015-01-19
PH12014501036B1 (en) 2017-09-29
IN2014CN03426A (enExample) 2015-10-09
SG11201401612XA (en) 2014-06-27
KR101650640B1 (ko) 2016-08-23
EP3514970A1 (en) 2019-07-24
MY176686A (en) 2020-08-19
EP3514970B1 (en) 2020-09-09
IL232332A0 (en) 2014-06-30
BR112014011058A2 (pt) 2017-06-13
EP2777261B1 (en) 2019-01-09
CA2854509A1 (en) 2013-05-16
RU2595892C2 (ru) 2016-08-27
AU2012336017B2 (en) 2016-05-12
CN108307195B (zh) 2020-09-29
EP2777261A1 (en) 2014-09-17
BR112014011058B1 (pt) 2022-05-10
WO2013070604A1 (en) 2013-05-16
US9154792B2 (en) 2015-10-06
RU2014123378A (ru) 2015-12-20
CN104025603A (zh) 2014-09-03
AU2012336017A1 (en) 2014-05-22
CN108307195A (zh) 2018-07-20
HK1251107A1 (zh) 2019-01-18
JP5855759B2 (ja) 2016-02-09
KR20140098121A (ko) 2014-08-07
IL232332A (en) 2017-08-31
US20130114738A1 (en) 2013-05-09
PH12014501036A1 (en) 2014-08-04
ES2717679T3 (es) 2019-06-24
CN104025603B (zh) 2018-06-01
BR112014011058A8 (pt) 2017-06-20

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