2003 | OriginalPaper | Buchkapitel
Median Filtering of Tensor-Valued Images
verfasst von : Martin Welk, Christian Feddern, Bernhard Burgeth, Joachim Weickert
Erschienen in: Pattern Recognition
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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Novel matrix-valued imaging techniques such as diffusion tensor magnetic resonance imaging require the development of edge-preserving nonlinear filters. In this paper we introduce a median filter for such tensor-valued data. We show that it inherits a number of favourable properties from scalar-valued median filtering, and we present experiments on synthetic as well as on real-world images that illustrate its performance.