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Adaptive weights smoothing with applications to image restoration

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We propose a new method of nonparametric estimation which is based on locally constant smoothing with an adaptive choice of weights for every pair of data points. Some theoretical properties of the procedure are investigated. Then we demonstrate the performance of the method on some simulated univariate and bivariate examples and compare it with other nonparametric methods. Finally we discuss applications of this procedure to magnetic resonance and satellite imaging.
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Keywords: Adaptive smoothing; Changepoint and edge estimation; Image restoration; Magnetic resonance imaging; Satellite imaging

Document Type: Research Article

Affiliations: Weierstrass Institute for Applied Analysis and Stochastics, Berlin, Germany

Publication date: February 1, 2000

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