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Proceedings Paper

Signal extensions in perfect reconstruction filter banks
Author(s): Joao Carlos Silvestre; Luis A. S. V. de Sa
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Paper Abstract

The wavelet transform is defined for infinite-length signals. In practice we only have finite-length signals, so signals must be extended before they can be transformed. The question is how to extend the signal to minimize signal end effects, or how to find the signal extension that preserves the transform signal length. In this paper we discuss the problem of signal extension in perfect reconstruction filter banks.

Paper Details

Date Published: 16 September 1996
PDF: 4 pages
Proc. SPIE 2952, Digital Compression Technologies and Systems for Video Communications, (16 September 1996); doi: 10.1117/12.251274
Show Author Affiliations
Joao Carlos Silvestre, Univ. de Coimbra (Portugal)
Luis A. S. V. de Sa, Univ. de Coimbra (Portugal)


Published in SPIE Proceedings Vol. 2952:
Digital Compression Technologies and Systems for Video Communications
Naohisa Ohta, Editor(s)

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