30 October 1997 Projection-based prefiltering for initializing multiwavelet algorithms
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Abstract
We discuss a method for initializing the multi-wavelet decomposition algorithm by pre-filtering. The proposed pre- filtering operation projects the input signal into the space defined by the multi-scaling function associated with the multi-wavelet. Since the approach is projection based, it is guaranteed to always have a solution. The space in which the original signal is contained is defined by multiple generating functions, making this work a generalization of our previous results.
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Michael J. Vrhel, Akram Aldroubi, "Projection-based prefiltering for initializing multiwavelet algorithms", Proc. SPIE 3169, Wavelet Applications in Signal and Image Processing V, (30 October 1997); doi: 10.1117/12.292802; https://doi.org/10.1117/12.292802
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Electronic filtering

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