Multichannel distance filtering of seismic electric signals. - George Economou; Apostolos Ifantis; Dimitris Sindoukas (EUSIPCO, 1996)

A new approach to investigate the correlation between periodicity of geoelectric field and earthquakes. - Apostolos Ifantis (DSP, 2002)

Support vector evaluation of the unpredictability of the electrotelluric field variations signal before major earthquakes. - Apostolos Ifantis; Stergios Papadimitriou (DSP, 2002)

The Nonlinear Predictability of the Electrotelluric Field Variations Data Analyzed with Support Vector Machines as an Earthquake Precursor. - Apostolos Ifantis; Stergios Papadimitriou (Int. J. Neural Syst., 2003)

Support Vector Identification of Seismic Electric Signals. - Apostolos Ifantis; Stergios Papadimitriou (Int. J. Pattern Recognit. Artif. Intell., 2003)

Geodesic distance and MST based image segmentation. - George Economou; Vasileios K. Pothos; Apostolos Ifantis (EUSIPCO, 2004)

Experimental changes of the Hurst exponent behavior of the Geoelectrical Potential and its possible relation to the changes of spectral power-law exponent of the seismic activity in Western Greece. - Apostolos Ifantis; Christos Theoharatos; Vassilis Tsagaris; Gerasimos-Akis Tselentis (EUSIPCO, 2004)

Texture retrieval based on a non-parametric measure for multivariate distributions. - Vasileios K. Pothos; Christos Theoharatos; George Economou; Apostolos Ifantis (CIVR, 2007)

Charting of geoelectric potential signal dynamics via geometrical techniques and its possible relation to significant earthquakes in Western Greece. - Christos Theoharatos; Apostolos Ifantis; Nikolaos A. Laskaris; George Economou (Comput. Geosci., 2008)

Extraction and selection of geoelectrical data features. - Apostolos Ifantis; Vasilis N. Nikolaidis (DPS, 2009)

A spectral distribution approach to fingerprint verification. - Vasileios K. Pothos; Christos Theoharatos; Apostolos Ifantis; George Economou (DPS, 2009)

On-line signature recognition via fusion of dynamic features into dissimilarity space. - Ilias Theodorakopoulos; George Economou; Spiros Fotopoulos; Apostolos Ifantis (ISSPIT, 2013)