Authors: Steland, Ansgar
Title: On the distribution of the clipping median under a mixture model
Language (ISO): en
Abstract: Motivated by applications in image processing, quality control, and econometrics we derive the exact distribution function of the clipping median estimator which is designed to provide simultaneously robust smooths and jump-preserving reconstructions. We allow for a mixture model which is of special interest for applications in pixel-wise object detection. To construct statistical tests for pixel classification, we propose to rely on estimated p-values. Simulations suggest that the resulting approximations are reliable.
Subject Headings: change point
nonparametric regression
image processing
jump-preserving estimation
edge detection
robust statistics
Issue Date: 2004
Provenance: Universität Dortmund
Appears in Collections:Sonderforschungsbereich (SFB) 475

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