Browsing Τμήμα Μαθηματικών και Στατιστικής / Department of Mathematics and Statistics by Author "Silverman, B. W."
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Article
Stochastic expansions in an overcomplete wavelet dictionary
Abramovich, F.; Sapatinas, Theofanis; Silverman, B. W. (2000)We consider random functions defined in terms of members of an overcomplete wavelet dictionary. The function is modelled as a sum of wavelet components at arbitrary positions and scales where the locations of the wavelet ...
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Article
Wavelet thresholding via a Bayesian approach
Abramovich, F.; Sapatinas, Theofanis; Silverman, B. W. (1998)We discuss a Bayesian formalism which gives rise to a type of wavelet threshold estimation in nonparametric regression. A prior distribution is imposed on the wavelet coefficients of the unknown response function, designed ...