MX338671B - Dispositivo de decodificacion aritmetica, dispositivo de decodificacion de imagenes, dispositivo de codificacion aritmetica, dispositivo de codificacion de imagenes y metodo de decodificacion aritmetica. - Google Patents

Dispositivo de decodificacion aritmetica, dispositivo de decodificacion de imagenes, dispositivo de codificacion aritmetica, dispositivo de codificacion de imagenes y metodo de decodificacion aritmetica.

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Publication number
MX338671B
MX338671B MX2014005246A MX2014005246A MX338671B MX 338671 B MX338671 B MX 338671B MX 2014005246 A MX2014005246 A MX 2014005246A MX 2014005246 A MX2014005246 A MX 2014005246A MX 338671 B MX338671 B MX 338671B
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MX
Mexico
Prior art keywords
decoding
arithmetic
image
syntax
arithmetic decoding
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MX2014005246A
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English (en)
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MX2014005246A (es
Inventor
Tomoyuki Yamamoto
Tomohiro Ikai
Yukinobu Yasugi
Takeshi Tsukuba
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Sharp Kk
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Publication of MX2014005246A publication Critical patent/MX2014005246A/es
Publication of MX338671B publication Critical patent/MX338671B/es

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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
    • H04N19/60—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
    • H04N19/10—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/70—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
    • H04N19/90—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
    • H04N19/10—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements

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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)

Abstract

La presente invención reduce emisión mientras mantiene alta eficiencia de codificación. Este dispositivo de decodificación aritmética está provisto con un medio de decodificación de sintaxis para decodificar cada una de al menos una primera sintaxis y una segunda sintaxis, que especifican coeficientes de transformación, por decodificación aritmética que usa un contexto y decodificación aritmética que no usa el contexto. El medio de decodificación de sintaxis al menos incluye: no decodificar la primera sintaxis, y decodificar la segunda sintaxis por decodificación aritmética que no usa el contexto; y decodificar la primera sintaxis por decodificación aritmética que usa el contexto, y decodificar la segunda sintaxis por decodificación aritmética que no usa el contexto.
MX2014005246A 2011-11-04 2012-10-31 Dispositivo de decodificacion aritmetica, dispositivo de decodificacion de imagenes, dispositivo de codificacion aritmetica, dispositivo de codificacion de imagenes y metodo de decodificacion aritmetica. MX338671B (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011242840 2011-11-04
JP2011264156 2011-12-01
JP2012009447 2012-01-19
PCT/JP2012/078086 WO2013065702A1 (ja) 2011-11-04 2012-10-31 算術復号装置、画像復号装置、算術符号化装置、画像符号化装置、および、算術復号方法

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MX2014005246A MX2014005246A (es) 2014-08-22
MX338671B true MX338671B (es) 2016-04-27

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MX2016005051A MX346677B (es) 2011-11-04 2012-10-31 Dispositivo de decodificacion aritmetica, dispositivo de decodificacion de imagenes, dispositivo de codificacion aritmetica, dispositivo de codificacion de imagenes y metodo de decodificacion aritmetica.
MX2014005246A MX338671B (es) 2011-11-04 2012-10-31 Dispositivo de decodificacion aritmetica, dispositivo de decodificacion de imagenes, dispositivo de codificacion aritmetica, dispositivo de codificacion de imagenes y metodo de decodificacion aritmetica.

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US (6) US9525876B2 (es)
EP (1) EP2775713B1 (es)
JP (2) JPWO2013065702A1 (es)
CN (3) CN109120930B (es)
IN (1) IN2014CN03598A (es)
MX (2) MX346677B (es)
MY (1) MY167316A (es)
WO (1) WO2013065702A1 (es)

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JPWO2013065702A1 (ja) 2015-04-02
IN2014CN03598A (es) 2015-07-31
CN109120930B (zh) 2021-03-26
US11310530B2 (en) 2022-04-19
JP6560702B2 (ja) 2019-08-14
EP2775713B1 (en) 2021-06-16
JP2017123685A (ja) 2017-07-13
WO2013065702A1 (ja) 2013-05-10
MY167316A (en) 2018-08-16
US20210084335A1 (en) 2021-03-18
US20180160144A1 (en) 2018-06-07
US9525876B2 (en) 2016-12-20
US10158887B2 (en) 2018-12-18
CN103907349B (zh) 2018-08-28
CN103907349A (zh) 2014-07-02
CN109120927B (zh) 2021-05-18
CN109120927A (zh) 2019-01-01
US10547870B2 (en) 2020-01-28
US20200154140A1 (en) 2020-05-14
US10897632B2 (en) 2021-01-19
MX346677B (es) 2017-03-29
EP2775713A1 (en) 2014-09-10
US20140307801A1 (en) 2014-10-16
EP2775713A4 (en) 2015-05-06
CN109120930A (zh) 2019-01-01
US20170041635A1 (en) 2017-02-09
MX2014005246A (es) 2014-08-22
US20190052905A1 (en) 2019-02-14

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