Department of Computer Science | Institute of Theoretical Computer Science | CADMO

Theory of Combinatorial Algorithms

Prof. Emo Welzl and Prof. Bernd Gärtner

Mittagsseminar (in cooperation with A. Steger, D. Steurer and B. Sudakov)

Mittagsseminar Talk Information

Date and Time: Thursday, April 22, 2004, 12:15 pm

Duration: This information is not available in the database

Location: This information is not available in the database

Speaker: Simon Spalinger

Support Vector Clustering

An approach for clustering that uses support vector machines is presented. Data points are mapped by means of a Gaussian Kernel to a high dimensional feature space, where the minimum enclosing sphere is found. This sphere, when mapped back to input space, can seperate into several componenents. The components contours are interpreted as cluster boundaries.

In the second part of the talk we will explore the idea of using the support vector approach for surface reconstruction: can the contours of the feature space sphere be used to implicitly define surfaces in three dimensional input space?

(A. Ben-Hur, D. Horn, H. Siegelmann, V. Vapnik, Jorunal of Machine Learning Research 2 (2001), pp. 125-137)

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