Joint amplitude and position coding of coefficients for video compression
Abstract
A coding method, apparatus, and medium with software encoded thereon to implement a coding method. The coding method includes jointly encoding joint events that each are defined by a cluster of consecutive non-zero-valued coefficients, each joint event defined by three parameters: the number of zero-valued coefficients preceding the cluster, the number of non-zero-valued coefficients in the cluster, and an indication of which trailing coefficients up to a maximum number of M trailing coefficients have amplitude greater than 1, with the coding using a 3-dimensional joint VLC table. The method further includes encoding the amplitude of the non-zero-valued trailing coefficients that have amplitude greater than 1 encoding the amplitude of any remaining non-zero-valued coefficients in the clusters that have more than M non-zero-valued coefficients.
Term
2 yearsto projected expiry
Projected expiry 1 October 2028, counted from filing; an application has no term until it is granted.
- Priority
- Filed
- Published
- Today
- Projected expiry
30 members in 5 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 976847P | United States of America | – | |
| 97684707 | United States of America | P | |
| 30794 | United States of America | – | |
| 3079408 | United States of America | A | |
| 2008078356 | United States of America | W |
Members30
| Document | Office | Kind | |
|---|---|---|---|
| US2009086815A1 | United States of America | A1 | |
| US2009087109A1 | United States of America | A1 | |
| US2009087113A1 | United States of America | A1 | |
| WO2009046040A2 | World Intellectual Property Organization (WIPO) | A2 | |
| WO2009046042A2 | World Intellectual Property Organization (WIPO) | A2 | |
| WO2009046042A3 | World Intellectual Property Organization (WIPO) | A3 | |
| WO2009046040A3 | World Intellectual Property Organization (WIPO) | A3 | |
| US2009154820A1 | United States of America | A1 | |
| EP2201779A2This record | European Patent Office (EPO) | A2 | |
| EP2201781A2 | European Patent Office (EPO) | A2 | |
| CN101878646A | China | A | |
| CN101878651A | China | A | |
| EP2201781B1 | European Patent Office (EPO) | B1 | |
| AT519334T | Austria | T | |
| ATE519334T1 | Austria | T1 | |
| US8036471B2 | United States of America | B2 | |
| US8041131B2 | United States of America | B2 | |
| EP2201779B1 | European Patent Office (EPO) | B1 | |
| AT544295T | Austria | T | |
| ATE544295T1 | Austria | T1 | |
| US8204327B2 | United States of America | B2 | |
| US8265162B2 | United States of America | B2 | |
| US2012257839A1 | United States of America | A1 | |
| US2013010860A1 | United States of America | A1 | |
| CN101878651B | China | B | |
| CN101878646B | China | B | |
| US8520965B2 | United States of America | B2 | |
| US8670485B2 | United States of America | B2 | |
| US2014169453A1 | United States of America | A1 | |
| US9369702B2 | United States of America | B2 |
63 legal events, as 8 offices reported them to INPADOC
Over the term
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| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097 | R097 | DE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
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| Deletion acc. to par. 5 (withdrawal of the translation of the ep patent)MK05 | MK05 | AT | |
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| Lt: invalidation of european patent or patent extensionLTIE | LTIE | EP | |
| Discontinued in the netherlands as no translation has been filedVDEP | VDEP | NL | |
| Dpma publication of mentioned ep patent grantGrantedR096 | R096 | DE | |
| European patent takes effect as a national patent in ch/liEP | EP | CH | |
| Reference to at number (ep patent validated in austria)REF | REF | AT | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedFG4D | FG4D | GB | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Request for extension of the european patent (deleted)DAX | DAX | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAX | AX | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 2201779
- Application
- 88362777
Titles3
- German
- GEMEINSAME AMPLITUDEN- UND POSITIONSKODIERUNG VON KOEFFIZIENTEN FÜR VIDEOKOMPRIMIERUNG
- English
- JOINT AMPLITUDE AND POSITION CODING OF COEFFICIENTS FOR VIDEO COMPRESSION
- French
- CODAGE CONJOINT DE L'AMPLITUDE ET DE LA POSITION DES COEFFICIENTS POUR UNE COMPRESSION VIDÉO
Classification
- CPC, 3
- H04N19/18
- H04N19/13
- H04N19/60
- IPC, 2
- H04N7 26
- H04N7 50
Designated states2
- Contracting states, 1
- Türkiye
- Extension states, 1
- Serbia