PL2797321T3 - Wybór kontekstu kodowania entropijnego współczynników transformacji - Google Patents

Wybór kontekstu kodowania entropijnego współczynników transformacji

Info

Publication number
PL2797321T3
PL2797321T3 PL12860389T PL12860389T PL2797321T3 PL 2797321 T3 PL2797321 T3 PL 2797321T3 PL 12860389 T PL12860389 T PL 12860389T PL 12860389 T PL12860389 T PL 12860389T PL 2797321 T3 PL2797321 T3 PL 2797321T3
Authority
PL
Poland
Prior art keywords
transform coefficients
entropy coding
context selection
context
selection
Prior art date
Application number
PL12860389T
Other languages
English (en)
Inventor
Kengo Terada
Takahiro Nishi
Youji Shibahara
Kyoko Tanikawa
Hisao Sasai
Toshiyasu Sugio
Toru Matsunobu
Original Assignee
Sun Patent Trust
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 Sun Patent Trust filed Critical Sun Patent Trust
Publication of PL2797321T3 publication Critical patent/PL2797321T3/pl

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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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based
    • 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
    • H04N19/134—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/90—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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
PL12860389T 2011-12-21 2012-12-19 Wybór kontekstu kodowania entropijnego współczynników transformacji PL2797321T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161578448P 2011-12-21 2011-12-21
EP12860389.1A EP2797321B1 (en) 2011-12-21 2012-12-19 Context selection for entropy coding of transform coefficients
PCT/JP2012/008131 WO2013094199A1 (ja) 2011-12-21 2012-12-19 画像符号化方法、画像符号化装置、画像復号化方法、画像復号化装置、および画像符号化復号化装置

Publications (1)

Publication Number Publication Date
PL2797321T3 true PL2797321T3 (pl) 2021-08-02

Family

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Application Number Title Priority Date Filing Date
PL12860389T PL2797321T3 (pl) 2011-12-21 2012-12-19 Wybór kontekstu kodowania entropijnego współczynników transformacji

Country Status (15)

Country Link
US (5) US9332253B2 (pl)
EP (1) EP2797321B1 (pl)
JP (3) JPWO2013094199A1 (pl)
KR (1) KR102071574B1 (pl)
CN (2) CN107277552B (pl)
AU (1) AU2012355212B2 (pl)
BR (1) BR112013018850B1 (pl)
CA (1) CA2825767C (pl)
ES (1) ES2864591T3 (pl)
MX (1) MX2013008534A (pl)
PL (1) PL2797321T3 (pl)
RU (1) RU2609064C9 (pl)
SG (1) SG192171A1 (pl)
TW (1) TW201347543A (pl)
WO (1) WO2013094199A1 (pl)

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US8891630B2 (en) * 2011-10-24 2014-11-18 Blackberry Limited Significance map encoding and decoding using partition set based context assignment
JP6134651B2 (ja) * 2011-12-28 2017-05-24 シャープ株式会社 算術復号装置、算術符号化装置および算術復号方法
CN108600761B (zh) * 2012-01-03 2020-05-08 寰发股份有限公司 重要性群组旗标编码方法与装置
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JP2023026969A (ja) * 2021-08-16 2023-03-01 キヤノン株式会社 撮像システム、サーバ装置、サーバ装置の制御方法、プログラム、および記憶媒体

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Also Published As

Publication number Publication date
KR102071574B1 (ko) 2020-01-30
CN103339937A (zh) 2013-10-02
JPWO2013094199A1 (ja) 2015-04-27
RU2609064C9 (ru) 2018-09-21
AU2012355212B2 (en) 2016-07-21
BR112013018850A2 (pt) 2018-01-23
JP2017069979A (ja) 2017-04-06
EP2797321A4 (en) 2015-06-24
US10362324B2 (en) 2019-07-23
CN103339937B (zh) 2017-07-25
KR20140109792A (ko) 2014-09-16
ES2864591T3 (es) 2021-10-14
US20160173911A1 (en) 2016-06-16
CA2825767A1 (en) 2013-06-27
EP2797321A1 (en) 2014-10-29
US9332253B2 (en) 2016-05-03
US20190238876A1 (en) 2019-08-01
US9826246B2 (en) 2017-11-21
US10595030B2 (en) 2020-03-17
CA2825767C (en) 2018-11-27
US20160173902A1 (en) 2016-06-16
TWI562598B (pl) 2016-12-11
AU2012355212A1 (en) 2013-08-15
CN107277552A (zh) 2017-10-20
CN107277552B (zh) 2019-10-29
JP6604561B2 (ja) 2019-11-13
SG192171A1 (en) 2013-08-30
BR112013018850B1 (pt) 2022-09-27
RU2609064C2 (ru) 2017-01-30
US20170374376A1 (en) 2017-12-28
MX2013008534A (es) 2013-08-12
EP2797321B1 (en) 2021-02-17
TW201347543A (zh) 2013-11-16
WO2013094199A1 (ja) 2013-06-27
JP2019024253A (ja) 2019-02-14
JP6459075B2 (ja) 2019-01-30
RU2013135004A (ru) 2016-02-10
US20130188684A1 (en) 2013-07-25
US9794583B2 (en) 2017-10-17

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