Nova Patents
AT397355T

Variable length encoding method

Abstract

The present invention is a variable length coding method for coding coefficients in each block which are obtained by performing frequency transformation on picture data of a moving picture per block having a predetermined size, and comprises:a coefficient scanning step of scanning the coefficients in the block in a predetermined order; and a coding step of coding the coefficients scanned in the coefficient scanning step into variable length codes in a predetermined order by switching a plurality of tables to be used for coding. Here, a direction of switching between the tables may be one-directional. Also, the coding may be non-arithmetic coding.

Term

Term ended

Expired 16 April 2023, 3.4 years ago.

  1. Priority
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  4. Expired
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211 members in 17 offices

This recordMember, by publication datePriority claim7 more offices are in the list below

Priority claims3

Priority claims
DocumentOfficeKindDate
2002118483JapanA
2002126029JapanA
2002363106JapanA

Members211

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CA2448771A1CanadaA1
CA2625292A1CanadaA1
WO03090472A1World Intellectual Property Organization (WIPO)A1
AU2003235171A1AustraliaA1
AU2003235171B8AustraliaB8
CA2452175A1CanadaA1
WO03092298A1World Intellectual Property Organization (WIPO)A1
AU2003235172A1AustraliaA1
JP2004007381AJapanA
JP2004007382AJapanA
MXPA03011198AMexicoA
MXPA03011335AMexicoA
EP1401213A1European Patent Office (EPO)A1
EP1424856A1European Patent Office (EPO)A1
BR0304543ABrazilA
BR0304558ABrazilA
CN1522543AChinaA
CN1522544AChinaA
US2004184544A1United States of AmericaA1
EP1401213A4European Patent Office (EPO)A4
EP1424856A4European Patent Office (EPO)A4
KR20040105543ARepublic of KoreaA
KR20040105545ARepublic of KoreaA
US2005099522A1United States of AmericaA1
JP2006087136AJapanA
JP2006135968AJapanA
EP1742482A1European Patent Office (EPO)A1
EP1742483A1European Patent Office (EPO)A1
EP1742484A1European Patent Office (EPO)A1
EP1744560A1European Patent Office (EPO)A1
EP1424856B1European Patent Office (EPO)B1
AT354258TAustriaT
EP1401213B1European Patent Office (EPO)B1
DE60311734D1GermanyD1
AT357816TAustriaT
DE60312620D1GermanyD1
CN1319385CChinaC
AU2003235172B2AustraliaB2
ES2279945T3SpainT3
CN101035287AChinaA
CN101035288AChinaA
CN101035289AChinaA
ES2281640T3SpainT3
EP1843596A1European Patent Office (EPO)A1
EP1742482B1European Patent Office (EPO)B1
AT378781TAustriaT
DE60311734T2GermanyT2
US7305035B2United States of AmericaB2
DE60312620T2GermanyT2
AU2003235171B2AustraliaB2
DE60317585D1GermanyD1
EP1742483B1European Patent Office (EPO)B1
AT385140TAustriaT
US2008056374A1United States of AmericaA1
US2008056375A1United States of AmericaA1
DE60318918D1GermanyD1
US2008063083A1United States of AmericaA1
ES2294768T3SpainT3
CN100380979CChinaC
SI1742483T1SloveniaT1
ES2297811T3SpainT3
DK1742483T3DenmarkT3
KR20080041747ARepublic of KoreaA
KR20080041748ARepublic of KoreaA
KR20080041749ARepublic of KoreaA
KR20080041750ARepublic of KoreaA
KR20080041751ARepublic of KoreaA
EP1742484B1European Patent Office (EPO)B1
JP4090862B2JapanB2
JP4091074B2JapanB2
JP4091107B1JapanB1
JP4091108B1JapanB1
KR20080048535ARepublic of KoreaA
PT1742484EPortugalE
AT397355TThis recordAustriaT
JP2008148336AJapanA
JP2008154252AJapanA
DE60321406D1GermanyD1
CN101242537AChinaA
DK1742484T3DenmarkT3
EP1744560B1European Patent Office (EPO)B1
SI1742484T1SloveniaT1
EP1965590A1European Patent Office (EPO)A1
PT1744560EPortugalE
AT406051TAustriaT
EP1843596B1European Patent Office (EPO)B1
DE60317585T2GermanyT2
DE60323171D1GermanyD1
AT408962TAustriaT
US2008260037A1United States of AmericaA1
US2008260038A1United States of AmericaA1
US2008260039A1United States of AmericaA1
DE60323698D1GermanyD1
ES2307267T3SpainT3
ES2309913T3SpainT3
AU2003235171C1AustraliaC1
DE60318918T2GermanyT2
CN100542295CChinaC
CN100542296CChinaC
CN100542297CChinaC
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