2014
- S.Nikitidis, A.Tefas and I.Pitas, "Maximum Margin Projection Subspace Learning for Visual Data Analysis", IEEE Transactions on Image Processing, pp. 4413 - 4425, 2014.
- S.Nikitidis, A.Tefas and I.Pitas, "Projected Gradients for Subclass Discriminant Nonnegative Subspace Learning", IEEE Transactions on Cybernetics, pp. 2806 - 2819, 2014.
2012
- S.Nikitidis, N.Nikolaidis and I.Pitas, "Multiplicative Update Rules for Incremental Training of Multiclass Support Vector Machines", Pattern Recognition, vol 45, no 5, pp. 1838-1852, May, 2012.
- S.Nikitidis, A.Tefas, N.Nikolaidis and I.Pitas, "Subclass Discriminant Non negative Matrix Factorization for Facial Image Analysis", Pattern Recognition, vol. 45, issue 12, pp. 4080-4091, December, 2012.
2008
- S.Nikitidis, S.Zafeiriou and I.Pitas, "Camera Motion Estimation Using a Novel Online Vector Field Model in Particle Filters", IEEE Transactions on Circuits and Systems for Video Technology, vol. 18, no. 8, pp. 1028-1039, August, 2008.
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