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Robustness of Morphological Filters

Sari PELTONEN, Pauli KUOSMANEN

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Summary :

In this paper our recently introduced method called output distributional influence function (ODIF) is used for the evaluation of the robustness properties of the nonlinear filter class of morphological filters. Several examples of the ODIFs for the dilation, closing and clos-opening are given and explained carefully. For each of these morphological filters the effect of filter length is examined by using the ODIFs for the expectation and variance. The robustness properties of the filters are also compared to each other and the effect of the distribution of the contamination is investigated for the closing as an example of realistic filtering conditions.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E86-A No.9 pp.2222-2228
Publication Date
2003/09/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category
Nonlinear Signal Processing and Coding

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