Two-dimensional feed-forward functionally expanded neural network. - Spyros Panagopoulos; John J. Soraghan (EUSIPCO, 2002)

Surface Approximation Using the 2D FFENN Architecture. - Spyros Panagopoulos; John J. Soraghan (EURASIP J. Adv. Signal Process., 2004)

Small-target detection in sea clutter. - Spyros Panagopoulos; John J. Soraghan (IEEE Trans. Geosci. Remote. Sens., 2004)