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Article: Determination of frequency sensitivities for perceptual subband image coding

TitleDetermination of frequency sensitivities for perceptual subband image coding
Authors
Fong, WCChan, SCHo, KL
KeywordsImage coding
Subband coding
Issue Date1997
PublisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ieedl.org/EL
Citation
Electronics Letters, 1997, v. 33 n. 7, p. 581-582 How to Cite?
AbstractA method for determining the visibility thresholds for a given subband system is introduced. The approach identifies the important worse case combination of the quantisation error in each basis function and determines the corresponding visibility thresholds using results previously measured in the DCT domain. Using the proposed method, it is relatively simple to determine the visibility thresholds for any subband system in any colour space. Simulation results on the lapped orthogonal transform (LOT) show that the visibility thresholds are useful in visually lossless coding and perceptual weighted quantisation.
Persistent Identifierhttp://hdl.handle.net/10722/74012
ISSN
0013-5194
2023 Impact Factor: 0.7
2023 SCImago Journal Rankings: 0.323
ISI Accession Number ID
WOS:A1997WU00100027
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorFong, WCen_HK
dc.contributor.authorChan, SCen_HK
dc.contributor.authorHo, KLen_HK
dc.date.accessioned2010-09-06T06:56:57Z-
dc.date.available2010-09-06T06:56:57Z-
dc.date.issued1997en_HK
dc.identifier.citationElectronics Letters, 1997, v. 33 n. 7, p. 581-582en_HK
dc.identifier.issn0013-5194en_HK
dc.identifier.urihttp://hdl.handle.net/10722/74012-
dc.description.abstractA method for determining the visibility thresholds for a given subband system is introduced. The approach identifies the important worse case combination of the quantisation error in each basis function and determines the corresponding visibility thresholds using results previously measured in the DCT domain. Using the proposed method, it is relatively simple to determine the visibility thresholds for any subband system in any colour space. Simulation results on the lapped orthogonal transform (LOT) show that the visibility thresholds are useful in visually lossless coding and perceptual weighted quantisation.en_HK
dc.languageengen_HK
dc.publisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ieedl.org/ELen_HK
dc.relation.ispartofElectronics Lettersen_HK
dc.subjectImage codingen_HK
dc.subjectSubband codingen_HK
dc.titleDetermination of frequency sensitivities for perceptual subband image codingen_HK
dc.typeArticleen_HK
dc.identifier.emailChan, SC:scchan@eee.hku.hken_HK
dc.identifier.emailHo, KL:klho@eee.hku.hken_HK
dc.identifier.authorityChan, SC=rp00094en_HK
dc.identifier.authorityHo, KL=rp00117en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0031102065en_HK
dc.identifier.hkuros26522en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031102065&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume33en_HK
dc.identifier.issue7en_HK
dc.identifier.spage581en_HK
dc.identifier.epage582en_HK
dc.identifier.isiWOS:A1997WU00100027-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridFong, WC=7102816054en_HK
dc.identifier.scopusauthoridChan, SC=13310287100en_HK
dc.identifier.scopusauthoridHo, KL=7403581592en_HK
dc.identifier.issnl0013-5194-

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