MX2013003557A - Codificacion y decodificacion utilizando seleccion de modelo adaptativo al contexto con escaneo en zigzag. - Google Patents

Codificacion y decodificacion utilizando seleccion de modelo adaptativo al contexto con escaneo en zigzag.

Info

Publication number
MX2013003557A
MX2013003557A MX2013003557A MX2013003557A MX2013003557A MX 2013003557 A MX2013003557 A MX 2013003557A MX 2013003557 A MX2013003557 A MX 2013003557A MX 2013003557 A MX2013003557 A MX 2013003557A MX 2013003557 A MX2013003557 A MX 2013003557A
Authority
MX
Mexico
Prior art keywords
significance map
coding
array
context model
utilizing
Prior art date
Application number
MX2013003557A
Other languages
English (en)
Inventor
Krit Panusopone
Limin Wang
Jian Lou
Original Assignee
Gen Instrument Corp
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 Gen Instrument Corp filed Critical Gen Instrument Corp
Publication of MX2013003557A publication Critical patent/MX2013003557A/es

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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
    • H04N19/10—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
    • 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
    • H04N19/10—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
    • 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
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/60—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
    • H04N19/60—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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Existe una codificación; la codificación puede incluir, preparar datos de compresión de video con base en imágenes fuente utilizando un procesador, la preparación puede incluir, procesar una unidad de transformada generada, incluyendo la generación de un mapa de importancia que tiene un arreglo de mapa de importancia con ubicaciones y-x correspondientes al arreglo de transformada; la generación puede incluir, escanear, utilizando un patrón de escaneo en zigzag, una pluralidad de elementos de mapa de importancia en el arreglo de mapa de importancia; la generación también puede incluir, determinar, utilizando el patrón de escaneo en zigzag, un modelo de contexto para codificar un elemento de mapa de importancia de la pluralidad de elementos de mapa de importancia basados en un valor asociado con al menos un elemento de mapa de importancia vecino codificado del elemento de mapa de importancia en el arreglo de mapa de importancia; también existen una decodificación incluyendo el procesamiento de datos de compresión de video que son generados en la codificación.
MX2013003557A 2010-10-05 2011-10-05 Codificacion y decodificacion utilizando seleccion de modelo adaptativo al contexto con escaneo en zigzag. MX2013003557A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38993210P 2010-10-05 2010-10-05
PCT/US2011/054999 WO2012048055A1 (en) 2010-10-05 2011-10-05 Coding and decoding utilizing adaptive context model selection with zigzag scan
US13/253,385 US9172967B2 (en) 2010-10-05 2011-10-05 Coding and decoding utilizing adaptive context model selection with zigzag scan

Publications (1)

Publication Number Publication Date
MX2013003557A true MX2013003557A (es) 2013-05-01

Family

ID=45889823

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2013003557A MX2013003557A (es) 2010-10-05 2011-10-05 Codificacion y decodificacion utilizando seleccion de modelo adaptativo al contexto con escaneo en zigzag.

Country Status (6)

Country Link
US (1) US9172967B2 (es)
EP (1) EP2606648A1 (es)
KR (1) KR20130054408A (es)
CA (1) CA2810899C (es)
MX (1) MX2013003557A (es)
WO (1) WO2012048055A1 (es)

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Also Published As

Publication number Publication date
US9172967B2 (en) 2015-10-27
EP2606648A1 (en) 2013-06-26
KR20130054408A (ko) 2013-05-24
US20120082234A1 (en) 2012-04-05
WO2012048055A1 (en) 2012-04-12
CA2810899C (en) 2016-08-09
CA2810899A1 (en) 2012-04-12

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