Alkiviadis Koukos, National Observatory of Athens | DHI, Denmark; Hyun-Woo Jo, Korea University, Korea (South); Vasileios Sitokonstantinou, Universitat de Valencia, Greece; Ilias Tsoumas, Charalampos Kontoes, National Observatory of Athens / Beyond Centre of EO Research & Satellite Remote Sensing, Greece; Woo-Kyun Lee, Korea University, Korea (South)