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Wavelets, subband coding, and best bases

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3 Author(s)
Ramchandran, K. ; Dept. of Electr. Eng., Illinois Univ., Urbana, IL, USA ; Vetterli, M. ; Herley, C.

The emergence of wavelets has led to a convergence of linear expansion methods used in signal processing and applied mathematics. In particular, subband coding methods and their associated filters are closely related to wavelet constructions. We first review such constructions with a signal processing perspective. We then discuss the idea behind signal adapted bases and associated algorithms before showing how wavelets and subband coding methods are used in signal compression applications

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Proceedings of the IEEE  (Volume:84 ,  Issue: 4 )