Anomaly Detection with the Voronoi Diagram Evolutionary Algorithm

27 Oct 2016  ·  Marti Luis, Fansi-Tchango Arsene, Navarro Laurent, Marc Schoenauer ·

This paper presents the Voronoi diagram-based evolutionary algorithm (VorEAl). VorEAl partitions input space in abnormal/normal subsets using Voronoi diagrams. Diagrams are evolved using a multi-objective bio-inspired approach in order to conjointly optimize classification metrics while also being able to represent areas of the data space that are not present in the training dataset. As part of the paper VorEAl is experimentally validated and contrasted with similar approaches.

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