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A generalized-space expansion of support vector machines for diagnostic systems

Dimou Ioannis, Zervakis Michail

Πλήρης Εγγραφή


URI: http://purl.tuc.gr/dl/dias/B7F27528-66AF-4E09-9071-85CC0196086E
Έτος 2010
Τύπος Πλήρης Δημοσίευση σε Συνέδριο
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Λεπτομέρειες
Βιβλιογραφική Αναφορά I. N. Dimou and M. E. Zervakis, "A generalized-space expansion of support vector machines for diagnostic systems," in 10th IEEE International Conference on Information Technology and Applications in Biomedicine, 2010, pp. 1-5. doi: 10.1109/ITAB.2010.5687779 https://doi.org/10.1109/ITAB.2010.5687779
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Περίληψη

Support Vector Machines (SVMs) are by now an established tool used in state of the art applications in the biomedical domain. Their prevalence has unveiled both a very effective generalization capability and the inherent positive definiteness constraints in kernel selection. In this work we apply a series of composite kernel extensions stemming from nonlinear second-level kernels to standard diagnostic problems. Our aim is twofold. Firstly, to create a formulation that can accept arbitrary non-positive definite feature kernels and secondly, to allow for nonlinear second-level kernels as part of this scheme.

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