File Download
  Links for fulltext
     (May Require Subscription)
Supplementary

Article: Design and multiplier-less implementation of a class of two-channel PR FIR filterbanks and wavelets with low system delay

TitleDesign and multiplier-less implementation of a class of two-channel PR FIR filterbanks and wavelets with low system delay
Authors
Issue Date2000
PublisherIEEE.
Citation
Ieee Transactions On Signal Processing, 2000, v. 48 n. 12, p. 3379-3394 How to Cite?
AbstractIn this paper, a new method for designing two-channel PR FIR filterbanks with low system delay is proposed. It is based on the generalization of the structure previously proposed by Phoong et al. Such structurally PR filterbanks are parameterized by two functions (β(z) and α(z)) that can be chosen as linear-phase FIR or allpass functions to construct FIR/IIR filterbanks with good frequency characteristics. The case of using identical β(z) and α(z) was considered by Phoong et al. with the delay parameter M chosen as 2N - 1. In this paper, the more general case of using different nonlinear-phase FIR functions for β(z) and α(z) is studied. As the linear-phase constraint is relaxed, the lengths of β(z) and α(z) are no longer restricted by the delay parameters of the filterbanks. Hence, higher stopband attenuation can still be achieved at low system delay. The design of the proposed low-delay filterbanks is formulated as a complex polynomial approximation problem, which can be solved by the Remez exchange algorithm or analytic formula with very low complexity. In addition, the orders and delay parameters can be estimated from the given filter specifications using a simple empirical formula. Therefore, low-delay two-channel PR filterbanks with flexible stopband attenuation and cutoff frequencies can be designed using existing filter design algorithms. The generalization of the present approach to the design of a class of wavelet bases associated with these low-delay filterbanks and its multiplier-less implementation using the sum of powers-of-two coefficients are also studied.
Persistent Identifierhttp://hdl.handle.net/10722/42861
ISSN
2015 Impact Factor: 2.624
2015 SCImago Journal Rankings: 2.004
References

 

DC FieldValueLanguage
dc.contributor.authorMao, JSen_HK
dc.contributor.authorChan, SCen_HK
dc.contributor.authorLiu, Wen_HK
dc.contributor.authorHo, KLen_HK
dc.date.accessioned2007-03-23T04:33:36Z-
dc.date.available2007-03-23T04:33:36Z-
dc.date.issued2000en_HK
dc.identifier.citationIeee Transactions On Signal Processing, 2000, v. 48 n. 12, p. 3379-3394en_HK
dc.identifier.issn1053-587Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/42861-
dc.description.abstractIn this paper, a new method for designing two-channel PR FIR filterbanks with low system delay is proposed. It is based on the generalization of the structure previously proposed by Phoong et al. Such structurally PR filterbanks are parameterized by two functions (β(z) and α(z)) that can be chosen as linear-phase FIR or allpass functions to construct FIR/IIR filterbanks with good frequency characteristics. The case of using identical β(z) and α(z) was considered by Phoong et al. with the delay parameter M chosen as 2N - 1. In this paper, the more general case of using different nonlinear-phase FIR functions for β(z) and α(z) is studied. As the linear-phase constraint is relaxed, the lengths of β(z) and α(z) are no longer restricted by the delay parameters of the filterbanks. Hence, higher stopband attenuation can still be achieved at low system delay. The design of the proposed low-delay filterbanks is formulated as a complex polynomial approximation problem, which can be solved by the Remez exchange algorithm or analytic formula with very low complexity. In addition, the orders and delay parameters can be estimated from the given filter specifications using a simple empirical formula. Therefore, low-delay two-channel PR filterbanks with flexible stopband attenuation and cutoff frequencies can be designed using existing filter design algorithms. The generalization of the present approach to the design of a class of wavelet bases associated with these low-delay filterbanks and its multiplier-less implementation using the sum of powers-of-two coefficients are also studied.en_HK
dc.format.extent448662 bytes-
dc.format.extent28160 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofIEEE Transactions on Signal Processingen_HK
dc.rights©2000 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.titleDesign and multiplier-less implementation of a class of two-channel PR FIR filterbanks and wavelets with low system delayen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1053-587X&volume=48&issue=12&spage=3379&epage=3394&date=2000&atitle=Design+and+multiplier-less+implementation+of+a+class+of+two-channel+PR+FIR+filterbanks+and+wavelets+with+low+system+delayen_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.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/78.887000en_HK
dc.identifier.scopuseid_2-s2.0-0034508275en_HK
dc.identifier.hkuros58566-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034508275&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume48en_HK
dc.identifier.issue12en_HK
dc.identifier.spage3379en_HK
dc.identifier.epage3394en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridMao, JS=7402727784en_HK
dc.identifier.scopusauthoridChan, SC=13310287100en_HK
dc.identifier.scopusauthoridLiu, W=36080110800en_HK
dc.identifier.scopusauthoridHo, KL=7403581592en_HK

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats