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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

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/537Motion estimation other than block-based
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/167Position within a video image, e.g. region of interest [ROI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods 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

ID=48668117

Family Applications (1)

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) CN103339937B (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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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
CN104025600B (zh) * 2012-01-03 2018-05-11 寰发股份有限公司 基于块的重要性图及重要性图群组旗标上下文选择的方法及装置
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US9621921B2 (en) * 2012-04-16 2017-04-11 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
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FR3029055B1 (fr) * 2014-11-24 2017-01-13 Ateme Procede d'encodage d'image et equipement pour la mise en oeuvre du procede
WO2017041271A1 (en) * 2015-09-10 2017-03-16 Mediatek Singapore Pte. Ltd. Efficient context modeling for coding a block of data
US10635462B2 (en) * 2018-05-23 2020-04-28 Microsoft Technology Licensing, Llc Skill discovery for computerized personal assistant
US11113846B2 (en) 2018-08-31 2021-09-07 Hulu, LLC Coefficient context modeling in video coding
CN113348667B (zh) * 2018-12-31 2023-06-20 北京字节跳动网络技术有限公司 在具有MVD的Merge下的距离索引的解析方法
CN112819708B (zh) * 2021-01-19 2022-05-27 中北大学 一种低采样率下电磁泄漏视频图像的复原方法及系统
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
JP6604561B2 (ja) 2019-11-13
US9332253B2 (en) 2016-05-03
TW201347543A (zh) 2013-11-16
RU2013135004A (ru) 2016-02-10
WO2013094199A1 (ja) 2013-06-27
US9794583B2 (en) 2017-10-17
KR20140109792A (ko) 2014-09-16
CA2825767A1 (en) 2013-06-27
JP6459075B2 (ja) 2019-01-30
US20130188684A1 (en) 2013-07-25
EP2797321A1 (en) 2014-10-29
CN107277552A (zh) 2017-10-20
EP2797321A4 (en) 2015-06-24
RU2609064C9 (ru) 2018-09-21
AU2012355212B2 (en) 2016-07-21
CA2825767C (en) 2018-11-27
EP2797321B1 (en) 2021-02-17
US20170374376A1 (en) 2017-12-28
US9826246B2 (en) 2017-11-21
TWI562598B (pl) 2016-12-11
JPWO2013094199A1 (ja) 2015-04-27
CN103339937A (zh) 2013-10-02
US20160173902A1 (en) 2016-06-16
AU2012355212A1 (en) 2013-08-15
JP2019024253A (ja) 2019-02-14
SG192171A1 (en) 2013-08-30
KR102071574B1 (ko) 2020-01-30
US10362324B2 (en) 2019-07-23
JP2017069979A (ja) 2017-04-06
BR112013018850B1 (pt) 2022-09-27
US20190238876A1 (en) 2019-08-01
CN107277552B (zh) 2019-10-29
US20160173911A1 (en) 2016-06-16
RU2609064C2 (ru) 2017-01-30
CN103339937B (zh) 2017-07-25
MX2013008534A (es) 2013-08-12
ES2864591T3 (es) 2021-10-14
BR112013018850A2 (pt) 2018-01-23
US10595030B2 (en) 2020-03-17

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