| Self-scaled conjugate gradient training algorithms AE Kostopoulos, TN Grapsa Neurocomputing 72 (13-15), 3000-3019, 2009 | 51 | 2009 |
| A spectral version of Perry’s conjugate gradient method for neural network training DG Sotiropoulos, AE Kostopoulos, TN Grapsa Proceedings of 4th GRACM Congress on Computational Mechanics 1 (5), 291-298, 2002 | 40 | 2002 |
| A new efficient variable learning rate for Perry’s spectral conjugate gradient training method AE Kostopoulos, DG Sotiropoulos, TN Grapsa Proceedings of the 1st International Conference: From Scientific Computing …, 2004 | 5 | 2004 |
| The 3-D alignment of objects in dynamic PET scans using filtered sinusoidal trajectories of sinogram AE Kostopoulos, AP Happonen, U Ruotsalainen Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2006 | 3 | 2006 |
| Training neural networks using two-point stepsize gradient methods DG Sotiropoulos, AE Kostopoulos, TN Grapsa Proceedings of ICNAAM—International Conference of Numerical Analysis and …, 2004 | 3 | 2004 |
| A new nonmonotone Newton’s modification for unconstrained Optimization AE Kostopoulos, GS Androulakis, TN Grapsa Tech. Rep. 09-05, Department of Mathematics, 2009 | 2 | 2009 |
| Comparative evaluation of feedforward and probabilistic neural networks for the automatic classification of brain tumours A Kostopoulos, D Glotsos, P Spyridonos, G Nikiforidis, D Sotiropoulos, ... Proc. 1 st International Conference “From Scientific Computing to …, 2004 | 2 | 2004 |
| Perturbed Newton method for unconstrained optimization TN Grapsa, GE Antonelou, AE Kostopoulos Conference in Numerical Analysis NumAn, 77-80, 2007 | 1 | 2007 |
| Available online at www. sciencedirect. com ScienceDirect AE Kostopoulos, AP Happonen, U Ruotsalainen Proceedings of the 3rd International Conference on Imaging Technologies in …, 2006 | | 2006 |
