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TrIK-SVM : an alternative decomposition for kernel methods in Krein spaces

Abstract : The proposed work aims at proposing a alternative kernel decomposition in the context of kernel machines with indefinite kernels. The original paper of KSVM (SVM in Kre˘ ın spaces) uses the eigen-decomposition, our proposition avoids this decompostion. We explain how it can help in designing an algorithm that won't require to compute the full kernel matrix. Finally we illustrate the good behavior of the proposed method compared to KSVM.
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Contributor : Gaelle Loosli <>
Submitted on : Tuesday, February 26, 2019 - 9:09:08 AM
Last modification on : Wednesday, April 21, 2021 - 8:52:05 AM
Long-term archiving on: : Monday, May 27, 2019 - 1:03:58 PM


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  • HAL Id : hal-02049004, version 1
  • ARXIV : 1902.10569


Gaëlle Loosli. TrIK-SVM : an alternative decomposition for kernel methods in Krein spaces. ESANN - European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning, Apr 2019, Bruges, Belgium. ⟨hal-02049004⟩



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