Hanne Say (Graduate School of Science and Engineering, Ozyegin University, Istanbul, Turkey), Suzan Ece Ada (Department of Computer Engineering, Bogazici University, Istanbul, Turkey), Emre Ugur (Department of Computer Engineering, Bogazici University, Istanbul, Turkey), Erhan Oztop (Graduate School of Science and Engineering, Ozyegin University, Istanbul, Turkey, OTRI, SISREC, Osaka University, Osaka, Japan)