Patent ID: 8204687
Filing Date: 2012-06-19
Classification: G01C

Abstract:
1. A computer-implemented method, comprising: receiving information identifying a departure point and a destination point on a map; determining a route between the departure and destination points, based on the received information, the route comprising at least one route segment having node points corresponding to intersections along the route segment; obtaining, from a storage medium, directional sign information associated with the route; generating, using a processor, a display route comprising a display image portion indicative of a road direction included in the directional sign information and the route; determining, by the processor, a concentration of directional sign information physically located along the route segment, the determining comprising: determining whether the concentration exceeds a threshold value; modifying at least a portion of the display route corresponding to the route segment, when the concentration fails to exceed the threshold value; and generating an instruction to transmit at least the modified display route to a device of the user.