Supervised data analysis and reliability estimation with exemplary application for spectral data

  • Authors:
  • Frank-Michael Schleif;Thomas Villmann;Matthias Ongyerth

  • Affiliations:
  • Computational Intelligence Group, Department of Medicine, University of Leipzig, Semmelweisstrasse 10, 04103 Leipzig, Germany;University of Applied Science Mittweida, Department of Mathematics, Physics and Computer Science, Technikumplatz 17, 09648 Mittweida, Germany;Computational Intelligence Group, Department of Medicine, University of Leipzig, Semmelweisstrasse 10, 04103 Leipzig, Germany

  • Venue:
  • Neurocomputing
  • Year:
  • 2009

Quantified Score

Hi-index 0.01

Visualization

Abstract

The analysis and classification of data is a common task in multiple fields of experimental research such as bioinformatics, medicine, satellite remote sensing or chemometrics leading to new challenges for an appropriate analysis. For this purpose different machine learning methods have been proposed. These methods usually do not provide information about the reliability of the classification. This, however, is a common requirement in, e.g. medicine and biology. In this line the present contribution offers an approach to enhance classifiers with reliability estimates in the context of prototype vector quantization. This extension can also be used to optimize precision or recall of the classifier system and to determine items which are not classifiable. This can lead to significantly improved classification results. The method is exemplarily presented on satellite remote spectral data but is applicable to a wider range of data sets.