Scientific publications where I am a (co)author.


An Implementation of Belief Change Operations Based on Probabilistic Conditional Logic

This was published following my bachelor thesis, in which I programmed a system for nonmonotonic belief change operations.

You may download the article here.

Probabilistic Reasoning at Optimum Entropy with the MEcore System

Another publication about my bachelor thesis.

You may download the article here.

Spectral Computations on Nontrivial Line Bundles

A paper about the work of my colleague Alex. I helped a little. It is about finite elements calculations with a Laplace operator that does not act on ordinary functions but on sections of nontrivial real line bundles.

You may download the article here.

Complex Line Bundle Laplacians

Another paper about Alex's topic. This time it is about complex line bundles.

You may download the article here.

Subimage Sensitive Eigenvalue Spectra for Image Comparison

A paper about the subject of my master and doctor thesis. Ein Paper über das Thema meiner Master- und Doktorarbeit. Can one hear what has been painted on a drum? It is about a similarity measure for images: Imagine the image painted on a drum membrane using a paint that modifies the density and tension of the membrane, and thus also the sound of the drum. Two images are then compared by comparing the frequency spectra of the drums.

You may download the article here.

Colocalization Structures and Eigenvalue Spectra for Colour Image Comparison

This paper presents two extensions of the previous: First, the procedure is generalized to work with color images. Second, a distance measure is described that compares not only the frequencies but also the structure of the pairwise overlap of the energy density of the drum's eigenvibrations. This is meaningful because the energy of an eigenvibration tends to be localized in a region of the image bounded by color contrasts. In the edge-weighted graph of pairwise overlap degrees, the regions of the image then form characteristic clusters within which there is high pairwise overlap.

Errata: Some formulas contain a variable S that is defined nowhere. It should say C instead.

You may download the article here.

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