JP6046164B2 - ビデオコード化において変換係数データをコード化するためのコンテキストの決定 - Google Patents

ビデオコード化において変換係数データをコード化するためのコンテキストの決定 Download PDF

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JP6046164B2
JP6046164B2 JP2014552336A JP2014552336A JP6046164B2 JP 6046164 B2 JP6046164 B2 JP 6046164B2 JP 2014552336 A JP2014552336 A JP 2014552336A JP 2014552336 A JP2014552336 A JP 2014552336A JP 6046164 B2 JP6046164 B2 JP 6046164B2
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transform coefficient
context
video
video block
block
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JP2015507430A (ja
JP2015507430A5 (enExample
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セレジン、バディム
ソル・ロジャルス、ジョエル
カークゼウィックズ、マルタ
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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
    • H04N19/10—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/102—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • 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
    • H04N19/90—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
    • 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]

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
JP2014552336A 2012-01-13 2013-01-11 ビデオコード化において変換係数データをコード化するためのコンテキストの決定 Active JP6046164B2 (ja)

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Application Number Priority Date Filing Date Title
US201261586668P 2012-01-13 2012-01-13
US61/586,668 2012-01-13
US201261588595P 2012-01-19 2012-01-19
US61/588,595 2012-01-19
US201261597097P 2012-02-09 2012-02-09
US61/597,097 2012-02-09
US13/738,574 US9253481B2 (en) 2012-01-13 2013-01-10 Determining contexts for coding transform coefficient data in video coding
US13/738,574 2013-01-10
PCT/US2013/021261 WO2013106729A2 (en) 2012-01-13 2013-01-11 Determining contexts for coding transform coefficient data in video coding

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JP2015507430A5 JP2015507430A5 (enExample) 2016-05-26
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JP2014552342A Active JP6266535B2 (ja) 2012-01-13 2013-01-11 ビデオコード化において変換係数データをコード化するためのコンテキストの決定
JP2014552329A Pending JP2015507429A (ja) 2012-01-13 2013-01-11 ビデオコード化において変換係数データをコード化するためのコンテキストの決定

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JP2014552329A Pending JP2015507429A (ja) 2012-01-13 2013-01-11 ビデオコード化において変換係数データをコード化するためのコンテキストの決定

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PH (3) PH12014501465A1 (enExample)
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SG (4) SG11201403341PA (enExample)
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PH12014501467A1 (en) 2014-10-08
BR112014017000A2 (pt) 2017-06-13
AU2013207804A1 (en) 2014-07-31
JP2015507431A (ja) 2015-03-05
JP2015507430A (ja) 2015-03-05
PH12014501467B1 (en) 2014-10-08
EP2803194C0 (en) 2024-01-03
BR112014017118B1 (pt) 2023-04-18
EP2803195A2 (en) 2014-11-19
AU2013207823B2 (en) 2016-12-08
WO2013106729A3 (en) 2014-03-20
TW201336317A (zh) 2013-09-01
CA2863019A1 (en) 2013-07-18
IL233162A (en) 2017-05-29
AU2013207752A1 (en) 2014-07-31
MY166883A (en) 2018-07-24
CN104041029B (zh) 2018-03-06
BR112014017118A2 (pt) 2017-06-13
CA2863019C (en) 2020-04-28
AU2013207752B2 (en) 2017-05-04
HK1198405A1 (en) 2015-04-17
EP2803194A2 (en) 2014-11-19
EP2803194B1 (en) 2024-01-03
KR102187013B1 (ko) 2020-12-04
PH12014501530B1 (en) 2014-10-08
RU2014133162A (ru) 2016-03-10
CN104054340A (zh) 2014-09-17
TW201347545A (zh) 2013-11-16
BR112014017118A8 (pt) 2017-07-04
WO2013106729A2 (en) 2013-07-18
JP2015507429A (ja) 2015-03-05
SG11201403342YA (en) 2014-09-26
KR101721302B1 (ko) 2017-03-29
RU2603537C2 (ru) 2016-11-27
BR112014017000A8 (pt) 2017-07-04
KR20140116194A (ko) 2014-10-01
CA2863043A1 (en) 2013-07-18
CN104041033A (zh) 2014-09-10
WO2013106739A3 (en) 2014-03-20
TWI559736B (zh) 2016-11-21
KR20140120909A (ko) 2014-10-14
US20130182758A1 (en) 2013-07-18
IL233161A0 (en) 2014-07-31
US9621894B2 (en) 2017-04-11
UA114418C2 (uk) 2017-06-12
TW201336310A (zh) 2013-09-01
PH12014501465A1 (en) 2014-10-08
RU2014133154A (ru) 2016-03-10
IL233160A0 (en) 2014-07-31
BR112014017121B1 (pt) 2023-02-07
JP6266535B2 (ja) 2018-01-24
SG11201403341PA (en) 2014-08-28
SG10201605387XA (en) 2016-08-30
TWI532382B (zh) 2016-05-01
WO2013106739A2 (en) 2013-07-18
US20130182772A1 (en) 2013-07-18
IL233162A0 (en) 2014-07-31
SG11201403343RA (en) 2014-09-26
WO2013106710A2 (en) 2013-07-18
EP2803196A2 (en) 2014-11-19
AU2013207823A1 (en) 2014-07-24
US20130182773A1 (en) 2013-07-18
BR112014017121A8 (pt) 2017-07-04
HK1198404A1 (en) 2015-04-17
CN104041029A (zh) 2014-09-10
WO2013106710A3 (en) 2014-02-20
IL233160A (en) 2016-07-31
RU2595897C2 (ru) 2016-08-27
BR112014017121A2 (pt) 2017-06-13
CA2863011C (en) 2017-10-17
PH12014501530A1 (en) 2014-10-08
ZA201405688B (en) 2017-08-30
CN104041033B (zh) 2018-10-26
EP2803195C0 (en) 2024-11-20
US9253481B2 (en) 2016-02-02
RU2014133158A (ru) 2016-03-10
MY172757A (en) 2019-12-11
CA2863011A1 (en) 2013-07-18
EP2803195B1 (en) 2024-11-20
KR20140120908A (ko) 2014-10-14

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