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Conference Paper: A new algorithm for time-frequency spread coders using multirate filters

TitleA new algorithm for time-frequency spread coders using multirate filters
Authors
Issue Date1999
PublisherIEEE.
Citation
The 5th International Symposium on Signal Processing and Its Applications, Brisbane, QLD., Australia, 22-25 August 1999. In Conference Proceedings, 1999, v. 2, p. 997-1000 How to Cite?
AbstractFilter banks have been shown to be efficient in several emerging signal communication applications. A new class of time-frequency spread coders for transmultiplexer systems using multirate filter banks is presented. As compared with conventional filter banks designed with stopband attenuation and passband flatness criteria, the user coders with the new algorithms are designed with time and frequency spread criteria. In new the algorithms, the filters are achieved through a cascade of lattice structures and delay chains. Along with the time-frequency property and the reconstruction property, the intercode/intracode correlation property are included in the design algorithms to be optimized. The designed coders are used in the application of digital watermarking of images and demonstrate good performance in JPEG encoding at different qualities.
Persistent Identifierhttp://hdl.handle.net/10722/45619

 

DC FieldValueLanguage
dc.contributor.authorChan, KPen_HK
dc.contributor.authorChen, Len_HK
dc.contributor.authorNguyen, TQen_HK
dc.date.accessioned2007-10-30T06:30:25Z-
dc.date.available2007-10-30T06:30:25Z-
dc.date.issued1999en_HK
dc.identifier.citationThe 5th International Symposium on Signal Processing and Its Applications, Brisbane, QLD., Australia, 22-25 August 1999. In Conference Proceedings, 1999, v. 2, p. 997-1000en_HK
dc.identifier.urihttp://hdl.handle.net/10722/45619-
dc.description.abstractFilter banks have been shown to be efficient in several emerging signal communication applications. A new class of time-frequency spread coders for transmultiplexer systems using multirate filter banks is presented. As compared with conventional filter banks designed with stopband attenuation and passband flatness criteria, the user coders with the new algorithms are designed with time and frequency spread criteria. In new the algorithms, the filters are achieved through a cascade of lattice structures and delay chains. Along with the time-frequency property and the reconstruction property, the intercode/intracode correlation property are included in the design algorithms to be optimized. The designed coders are used in the application of digital watermarking of images and demonstrate good performance in JPEG encoding at different qualities.en_HK
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofInternational Symposium on Signal Processing and Its Applications-
dc.rights©1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleA new algorithm for time-frequency spread coders using multirate filtersen_HK
dc.typeConference_Paperen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/ISSPA.1999.815839en_HK
dc.identifier.hkuros52739-

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