MXPA03010827A - METODO DE CODIFICACIoN DE LONGITUD VARIABLE, METODO DE DECODIFICACION DE LONGITUD VARIABLE, MEDIO DE ALMACENAMIENTO, DISPOSITIVO DE CODIFICACIoN DE LONGITUD. - Google Patents

METODO DE CODIFICACIoN DE LONGITUD VARIABLE, METODO DE DECODIFICACION DE LONGITUD VARIABLE, MEDIO DE ALMACENAMIENTO, DISPOSITIVO DE CODIFICACIoN DE LONGITUD.

Info

Publication number
MXPA03010827A
MXPA03010827A MXPA03010827A MXPA03010827A MXPA03010827A MX PA03010827 A MXPA03010827 A MX PA03010827A MX PA03010827 A MXPA03010827 A MX PA03010827A MX PA03010827 A MXPA03010827 A MX PA03010827A MX PA03010827 A MXPA03010827 A MX PA03010827A
Authority
MX
Mexico
Prior art keywords
variable length
encoding
data
information
parameter
Prior art date
Application number
MXPA03010827A
Other languages
English (en)
Inventor
Kondo Satoshi
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of MXPA03010827A publication Critical patent/MXPA03010827A/es

Links

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
    • 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
    • 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
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • 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
    • 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
    • H04N19/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Es posible decodificar correctamente datos que han sido codificados por un metodo de codificacion de longitud variable en el cual se incrementa la relacion de compresion. El metodo de codificacion de longitud variable codifica una unidad de datos predeterminada al hacer referencia a una tabla de parametros e incluye: un paso de inicializacion para fijar una tabla de parametros adquiridos a un valor inicial; un paso de codificacion de informacion de la tabla de parametros para codificar informacion sobre la tabla de parametros que ha sido inicializada; un paso de adquisicion de parametros para adquirir de la tabla de parametros un parametro de codificacion usado para codificar cada uno de los subdatos que constituyen la unidad de datos predeterminada; un paso de codificacion de subdatos para codificacion de longitud variable de subdatos al hacer referencia al parametro de codificacion adquirido; y un paso de disposicion de datos de codificacion de informacion para disponer la informacion codificada en una posicion en donde la informacion pueda ser adquirida antes que la unidad de datos predeterminada y enviarla.
MXPA03010827A 2002-03-27 2003-03-13 METODO DE CODIFICACIoN DE LONGITUD VARIABLE, METODO DE DECODIFICACION DE LONGITUD VARIABLE, MEDIO DE ALMACENAMIENTO, DISPOSITIVO DE CODIFICACIoN DE LONGITUD. MXPA03010827A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002088345 2002-03-27
PCT/JP2003/003035 WO2003081784A1 (en) 2002-03-27 2003-03-13 Variable length encoding method, variable length decoding method, storage medium, variable length encoding device, variable length decoding device, and bit stream

Publications (1)

Publication Number Publication Date
MXPA03010827A true MXPA03010827A (es) 2004-02-17

Family

ID=28449441

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA03010827A MXPA03010827A (es) 2002-03-27 2003-03-13 METODO DE CODIFICACIoN DE LONGITUD VARIABLE, METODO DE DECODIFICACION DE LONGITUD VARIABLE, MEDIO DE ALMACENAMIENTO, DISPOSITIVO DE CODIFICACIoN DE LONGITUD.

Country Status (17)

Country Link
US (3) US6954156B2 (es)
EP (4) EP2765708B1 (es)
KR (1) KR100927510B1 (es)
CN (2) CN101692610B (es)
AU (1) AU2003221378B9 (es)
BR (1) BRPI0303661B1 (es)
CA (1) CA2447840C (es)
CY (1) CY1113502T1 (es)
DK (3) DK2391019T3 (es)
ES (4) ES2493616T3 (es)
HK (1) HK1196720A1 (es)
HU (2) HUE044878T2 (es)
MX (1) MXPA03010827A (es)
PT (3) PT2765708T (es)
SI (3) SI2765708T1 (es)
TR (1) TR201906516T4 (es)
WO (1) WO2003081784A1 (es)

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Also Published As

Publication number Publication date
AU2003221378A1 (en) 2003-10-08
EP1445869A1 (en) 2004-08-11
CN1515078A (zh) 2004-07-21
US20050156763A1 (en) 2005-07-21
EP1445869B1 (en) 2012-11-28
ES2493616T3 (es) 2014-09-12
EP1445869A4 (en) 2007-03-14
US20060145897A1 (en) 2006-07-06
US7088269B2 (en) 2006-08-08
US20050012647A1 (en) 2005-01-20
HUE030635T2 (en) 2017-06-28
KR20040099101A (ko) 2004-11-26
SI2765708T1 (sl) 2016-11-30
WO2003081784A1 (en) 2003-10-02
ES2724399T3 (es) 2019-09-10
ES2399422T3 (es) 2013-04-01
PT1445869E (pt) 2012-12-17
BR0303661A (pt) 2004-07-13
PT2765708T (pt) 2016-10-25
KR100927510B1 (ko) 2009-11-17
DK2391019T3 (da) 2014-09-01
SI2391019T1 (sl) 2014-09-30
DK1445869T3 (da) 2013-01-02
ES2599637T3 (es) 2017-02-02
CA2447840A1 (en) 2003-10-02
CN101692610B (zh) 2014-06-25
HK1196720A1 (zh) 2014-12-19
EP2765708B1 (en) 2016-07-27
EP2765708A1 (en) 2014-08-13
EP2391019A3 (en) 2011-12-28
CN101692610A (zh) 2010-04-07
PT2391019E (pt) 2014-08-29
AU2003221378B2 (en) 2008-07-24
US6954156B2 (en) 2005-10-11
EP2391019B1 (en) 2014-06-25
DK2765708T3 (en) 2016-11-14
US7248190B2 (en) 2007-07-24
HUE044878T2 (hu) 2019-11-28
SI1445869T1 (sl) 2013-01-31
CN100555877C (zh) 2009-10-28
EP3098969B1 (en) 2019-02-20
BRPI0303661B1 (pt) 2016-09-27
EP2391019A2 (en) 2011-11-30
CA2447840C (en) 2011-08-09
AU2003221378B9 (en) 2009-01-08
TR201906516T4 (tr) 2019-05-21
EP3098969A1 (en) 2016-11-30
CY1113502T1 (el) 2016-06-22

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