Direction to support ubiquitous city input/output system with geospatial image

Geospatial information is used as a core base information for U-City in all areas including planning, construction, operation, and management, and it is a service factor inevitable for U-City residents´ convenience and safety. Spatial information required for U-City are digital map, ortho image, various facilities drawing, estate site plan, and so on. In addition, airborne/terrestrial LiDAR, RFID, aerial/satellite images, those can generate spatial information, are also utilized in the construction of new city. Especially, satellite image has advantage that it isn´t limited in acquiring range, and can obtain extensive geographical data as it can photographing broad area in short time comparing to aerial image. Because recent rapid development in spatial resolution, studies for the extraction of spatial information base on satellite image are also actively in progress.