METHOD FOR UPDATING GIS NUMERICAL MAP OF SURVEYING INFORMATION STRUCTURAL FACILITIES ALONG ROAD BY USING AERIAL PHOTOGRAPH AS WELL AS VEHICLE WITH GPS RECEIVER AND LASER MEASURING INSTRUMENT

摘要

The present invention relates to a GPS receiver and a vehicle equipped with a laser measuring instrument and a method for updating a GIS numerical map of roadside facility surveying information using aerial photographs. The method relates to a method of surveying location coordinates of facilities around various roads, obtaining image photographs, and updating them on a GIS numerical map. This method can be applied very easily when acquiring local digital terrain data such as facilities around roads, high accuracy can be obtained by using the laser's straightness, and facilities that are difficult to grasp using GPS receivers and laser instruments. By acquiring a variety of plane image information, they can improve the accuracy and utilization of digital terrain data, and can quickly and accurately update digital maps such as urban areas that are changing day by day.;Geographic Information System (GIS), Global Positioning System (GPS), Digital Maps, Positioning, Roads, Nearby Facilities, Surveying Vehicles, Laser Instruments, Aerial Photography