CA2853835C - Signaling quantization matrices for video coding - Google Patents

Signaling quantization matrices for video coding Download PDF

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Publication number
CA2853835C
CA2853835C CA2853835A CA2853835A CA2853835C CA 2853835 C CA2853835 C CA 2853835C CA 2853835 A CA2853835 A CA 2853835A CA 2853835 A CA2853835 A CA 2853835A CA 2853835 C CA2853835 C CA 2853835C
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Prior art keywords
values
quantization matrix
downsampled
video
factor
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CA2853835A
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English (en)
French (fr)
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CA2853835A1 (en
Inventor
Rajan Laxman Joshi
Marta Karczewicz
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/46—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
    • H04N19/10—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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Magnetic Ceramics (AREA)
CA2853835A 2011-11-07 2012-11-07 Signaling quantization matrices for video coding Active CA2853835C (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US201161556785P 2011-11-07 2011-11-07
US61/556,785 2011-11-07
US201261594885P 2012-02-03 2012-02-03
US61/594,885 2012-02-03
US201261597107P 2012-02-09 2012-02-09
US61/597,107 2012-02-09
US201261605654P 2012-03-01 2012-03-01
US61/605,654 2012-03-01
US13/670,011 US10277915B2 (en) 2011-11-07 2012-11-06 Signaling quantization matrices for video coding
US13/670,011 2012-11-06
PCT/US2012/063943 WO2013070766A1 (en) 2011-11-07 2012-11-07 Signaling quantization matrices for video coding

Publications (2)

Publication Number Publication Date
CA2853835A1 CA2853835A1 (en) 2013-05-16
CA2853835C true CA2853835C (en) 2017-02-28

Family

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Family Applications (1)

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CA2853835A Active CA2853835C (en) 2011-11-07 2012-11-07 Signaling quantization matrices for video coding

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Country Link
US (1) US10277915B2 (enExample)
EP (1) EP2777263B1 (enExample)
JP (1) JP5902311B2 (enExample)
KR (1) KR101895652B1 (enExample)
CN (1) CN104137546B (enExample)
AU (1) AU2012335896B2 (enExample)
BR (1) BR112014011054B1 (enExample)
CA (1) CA2853835C (enExample)
ES (1) ES2715838T3 (enExample)
HU (1) HUE043156T2 (enExample)
IL (1) IL232284A (enExample)
IN (1) IN2014CN03345A (enExample)
MY (1) MY174583A (enExample)
PH (1) PH12014500983A1 (enExample)
RU (1) RU2582579C2 (enExample)
SG (1) SG11201401566UA (enExample)
TW (1) TWI520585B (enExample)
WO (1) WO2013070766A1 (enExample)
ZA (1) ZA201404179B (enExample)

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Also Published As

Publication number Publication date
ES2715838T3 (es) 2019-06-06
IN2014CN03345A (enExample) 2015-07-03
PH12014500983A1 (en) 2017-08-18
KR101895652B1 (ko) 2018-09-05
WO2013070766A1 (en) 2013-05-16
BR112014011054B1 (pt) 2022-06-07
CN104137546B (zh) 2018-01-26
EP2777263A1 (en) 2014-09-17
SG11201401566UA (en) 2014-09-26
KR20140089583A (ko) 2014-07-15
CA2853835A1 (en) 2013-05-16
JP5902311B2 (ja) 2016-04-13
EP2777263B1 (en) 2018-12-19
IL232284A0 (en) 2014-06-30
ZA201404179B (en) 2020-11-25
MY174583A (en) 2020-04-28
RU2014123320A (ru) 2015-12-20
IL232284A (en) 2017-09-28
US10277915B2 (en) 2019-04-30
JP2014535250A (ja) 2014-12-25
HK1199995A1 (en) 2015-07-24
HUE043156T2 (hu) 2019-08-28
US20130114695A1 (en) 2013-05-09
AU2012335896A1 (en) 2014-05-29
RU2582579C2 (ru) 2016-04-27
TWI520585B (zh) 2016-02-01
TW201334549A (zh) 2013-08-16
CN104137546A (zh) 2014-11-05
AU2012335896B2 (en) 2016-05-12
BR112014011054A2 (pt) 2017-05-02

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