Combined GPS/INS/WSS integration and visual SLAM for geo-localization of a mobile robot

Abstract

In some outdoor applications, navigating a mobile robots needs to be geo-referenced and with hight precision. For its geo-localization, the mobile robot can use a global positioning system (GPS). This system has an accuracy of 6 to 12 meters for a typical civilian GPS receiver, depending on number of available satellites. This accuracy can be reduced to 1m by using a DGPS (Differential GPS) system which employs a second receiver at a fixed location to compute corrections to the GPS satellite measurements.