Browsing by Subject "Singular value decomposition"

Now showing items 1-5 of 5

    • Article  

      Inversion of noisy Radon transform by SVD based needlets 

      Kerkyacharian, G.; Kyriazis, George C.; Le Pennec, E.; Petrushev, P.; Picard, D. (2010)
      A linear method for inverting noisy observations of the Radon transform is developed based on decomposition systems (needlets) with rapidly decaying elements induced by the Radon transform SVD basis. Upper bounds of the ...
    • Article  

      Minimax signal detection in ill-posed inverse problems 

      Ingster, Y. I.; Sapatinas, Theofanis; Suslina, I. A. (2012)
      Saint Petersburg Electrotechnical University, University of Cyprus and Saint Petersburg University of Information Technologies, Mechanics and Optics Ill-posed inverse problems arise in various scientific fields. We consider ...
    • Article  

      Nonconcurrent error correction in the presence of roundoff noise 

      Takos, G.; Hadjicostis, Christoforos N. (2009)
      This paper analyzes the effects of roundoff noise on our ability to nonconcurrently detect and identify transient faults that corrupt state variables during the operation of a fault-tolerant discrete-time linear time-invariant ...
    • Article  

      On the compound capacity of a class of MIMO channels subject to normed uncertainty 

      Loyka, S.; Charalambous, Charalambos D. (2012)
      The compound capacity of uncertain multiple-input multiple-output channels is considered, when the channel is modeled by a class described by a (known) nominal channel and a constrained-norm (unknown) uncertainty. Within ...
    • Article  

      Regularized MFS solution of inverse boundary value problems in three-dimensional steady-state linear thermoelasticity 

      Marin, L.; Karageorghis, Andreas; Lesnic, D. (2016)
      We investigate the numerical reconstruction of the missing thermal and mechanical boundary conditions on an inaccessible part of the boundary in the case of three-dimensional linear isotropic thermoelastic materials from ...