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Article: Fast odd discrete cosine transform algorithms

TitleFast odd discrete cosine transform algorithms
Authors
Issue Date1990
PublisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ieedl.org/EL
Citation
Electronics Letters, 1990, v. 26 n. 8, p. 503-505 How to Cite?
AbstractIt is shown that an N point type I odd discrete cosine transform can be reformulated as a (2N - 1) point DFT of a real-symmetric sequence efficiently computed by the real-symmetric PFA-FFT. Using simple index mappings, the type II and II ODCTs are efficiently computed from the ODCT-I of the same length. The ODCT-IV are then computed from ODCT-II or III using simple recurrence formulas.
Persistent Identifierhttp://hdl.handle.net/10722/154910
ISSN
2015 Impact Factor: 0.854
2015 SCImago Journal Rankings: 0.549

 

DC FieldValueLanguage
dc.contributor.authorChan, SCen_US
dc.contributor.authorHo, KLen_US
dc.date.accessioned2012-08-08T08:31:07Z-
dc.date.available2012-08-08T08:31:07Z-
dc.date.issued1990en_US
dc.identifier.citationElectronics Letters, 1990, v. 26 n. 8, p. 503-505en_US
dc.identifier.issn0013-5194en_US
dc.identifier.urihttp://hdl.handle.net/10722/154910-
dc.description.abstractIt is shown that an N point type I odd discrete cosine transform can be reformulated as a (2N - 1) point DFT of a real-symmetric sequence efficiently computed by the real-symmetric PFA-FFT. Using simple index mappings, the type II and II ODCTs are efficiently computed from the ODCT-I of the same length. The ODCT-IV are then computed from ODCT-II or III using simple recurrence formulas.en_US
dc.languageengen_US
dc.publisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ieedl.org/ELen_US
dc.relation.ispartofElectronics Lettersen_US
dc.titleFast odd discrete cosine transform algorithmsen_US
dc.typeArticleen_US
dc.identifier.emailChan, SC:scchan@eee.hku.hken_US
dc.identifier.emailHo, KL:klho@eee.hku.hken_US
dc.identifier.authorityChan, SC=rp00094en_US
dc.identifier.authorityHo, KL=rp00117en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0025417625en_US
dc.identifier.volume26en_US
dc.identifier.issue8en_US
dc.identifier.spage503en_US
dc.identifier.epage505en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridChan, SC=13310287100en_US
dc.identifier.scopusauthoridHo, KL=7403581592en_US

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