IN2014CN03345A - - Google Patents

Info

Publication number
IN2014CN03345A
IN2014CN03345A IN3345CHN2014A IN2014CN03345A IN 2014CN03345 A IN2014CN03345 A IN 2014CN03345A IN 3345CHN2014 A IN3345CHN2014 A IN 3345CHN2014A IN 2014CN03345 A IN2014CN03345 A IN 2014CN03345A
Authority
IN
India
Prior art keywords
quantization matrix
coefficient values
values
downsampled
techniques
Prior art date
Application number
Inventor
Rajan Laxman Joshi
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 IN2014CN03345A publication Critical patent/IN2014CN03345A/en

Links

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
    • H04N19/46—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

Abstract

The techniques of this disclosure may be generally related to signaling values of a quantization matrix. In some examples coefficient values in the quantization matrix may be downsampled with different factors based on where the coefficient values are located in the quantization matrix.
IN3345CHN2014 2011-11-07 2012-11-07 IN2014CN03345A (en)

Applications Claiming Priority (6)

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

Publications (1)

Publication Number Publication Date
IN2014CN03345A true IN2014CN03345A (en) 2015-07-03

Family

ID=48223683

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3345CHN2014 IN2014CN03345A (en) 2011-11-07 2012-11-07

Country Status (19)

Country Link
US (1) US10277915B2 (en)
EP (1) EP2777263B1 (en)
JP (1) JP5902311B2 (en)
KR (1) KR101895652B1 (en)
CN (1) CN104137546B (en)
AU (1) AU2012335896B2 (en)
BR (1) BR112014011054B1 (en)
CA (1) CA2853835C (en)
ES (1) ES2715838T3 (en)
HK (1) HK1199995A1 (en)
HU (1) HUE043156T2 (en)
IL (1) IL232284A (en)
IN (1) IN2014CN03345A (en)
MY (1) MY174583A (en)
RU (1) RU2582579C2 (en)
SG (1) SG11201401566UA (en)
TW (1) TWI520585B (en)
WO (1) WO2013070766A1 (en)
ZA (1) ZA201404179B (en)

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Also Published As

Publication number Publication date
EP2777263B1 (en) 2018-12-19
WO2013070766A1 (en) 2013-05-16
ES2715838T3 (en) 2019-06-06
BR112014011054A2 (en) 2017-05-02
KR101895652B1 (en) 2018-09-05
HUE043156T2 (en) 2019-08-28
HK1199995A1 (en) 2015-07-24
EP2777263A1 (en) 2014-09-17
BR112014011054B1 (en) 2022-06-07
ZA201404179B (en) 2020-11-25
TWI520585B (en) 2016-02-01
CN104137546B (en) 2018-01-26
US10277915B2 (en) 2019-04-30
CA2853835C (en) 2017-02-28
MY174583A (en) 2020-04-28
AU2012335896B2 (en) 2016-05-12
IL232284A0 (en) 2014-06-30
TW201334549A (en) 2013-08-16
IL232284A (en) 2017-09-28
CA2853835A1 (en) 2013-05-16
RU2014123320A (en) 2015-12-20
JP5902311B2 (en) 2016-04-13
SG11201401566UA (en) 2014-09-26
RU2582579C2 (en) 2016-04-27
CN104137546A (en) 2014-11-05
KR20140089583A (en) 2014-07-15
JP2014535250A (en) 2014-12-25
AU2012335896A1 (en) 2014-05-29
US20130114695A1 (en) 2013-05-09

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