Signal Processing and Communication Applications (SIU) conference is the most prominent scientific meeting on signal processing in Turkey bringing together researchers working in signal processing and communication fields. This year the 26th edition of the SIU Conference will be organized by Izmir KatipCelebi University (IKCU), with technical co-sponsorship of IEEE Turkey Signal Processing Chapter on May 2-5, 2018 in Cesme, Izmir. All submitted papers will be evaluated using duouble-blind review system and accepted and presented papers will be published in IEEE Xplore and indexed in Web of Science Conference databese.