3D modeling of cities has become very important as these models are being used in different studies including energy management, visibility analysis, 3D cadastre, urban planning, change detection, disaster management, etc…

Due to rapidly increasing applications of GNSS dependent systems, motivation has increased to spoof these signals for illegal or concealed transportation and to mislead receiver timing used by critical infrastructure. Detection and mitigation of spoofing…

Civil RPA is categorized in accordance with Maximum All-Up-Weight (including payload) as indicated below.

The UN estimates that more than 55% of the world’s population – that is, over 4.07 billion people – currently lives in urban areas…

Urban forests refer to the sum of all urban trees, shrubs and lawns and pervious soils in urban areas (Escobedo et al., 2011). Unlike trees growing in natural forests…