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Balanced spatial and frequency localised 2-D nonseparable wavelet filters
A filter cannot have simultaneous localization in the spatial domain and the frequency domain by virtue of the uncertainty principle: there is a trade-off between spatial and frequency localizations. The design of two-dimensional wavelet filters on the quincunx sampling lattice is considered in this paper. The filters are optimized with respect to the Balanced-Localization (BL) metric. The BL metric represents a balance between the spatial localization and frequency localization of a filter. An efficient technique is proposed for designing a class of biorthogonal wavelet filters with prescribed regularity. © 2001 IEEE.
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Volume
2Pagination
489 - 492Publisher DOI
ISBN-13
9780780366855ISBN-10
0780366859Publication classification
E1.1 Full written paper - refereedTitle of proceedings
ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference ProceedingsUsage metrics
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