Vector Nonlinear Data Depended Filters. - Spiros Fotopoulos; George Economou; Nikolaos A. Laskaris; Dimitris Sindoukas (ISCAS, 1994)

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

Color image filtering using generalized cost functions. - Dimitris Sindoukas; Spiros Fotopoulos; George Economou (EUSIPCO, 1996)

Image enhancement using color and spatial information. - Spiros Fotopoulos; Dimitris Sindoukas; Nikolaos A. Laskaris; George Economou (ICASSP, 1997)

Algorithms for color image edge enhancement using potential functions. - Dimitris Sindoukas; Nikolaos A. Laskaris; Spiros Fotopoulos (IEEE Signal Process. Lett., 1997)