Method, apparatus, and system for identifying map error based on road curvature data

An apparatus for identifying a map error based on road curvature comprising:

• at least one processor;
• and
• at least one memory including computer program code for one or more programs,
• the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to perform at least the following,
• determine a first road curvature for a map location based a first road curvature determination process;
• determine a second road curvature for the map location based on a second road curvature determination process;
• flag the road geometry represented in the digital map data based on determining that a difference between the first road curvature and the second road curvature exceeds a threshold;
• and
• provide the flagged road geometry as an output for identifying the map error.

A non-transitory computer readable storage medium for identifying a map error based on road curvature, carrying one or more sequences of one or more instructions which, when executed by one or more processors, cause an apparatus to perform:

• determining a first road curvature for a map location based on a road geometry represented in digital map data;
• determining a second road curvature for the map location based on location trace data collected from one or more location sensors of a plurality of vehicles;
• flagging the road geometry represented in the digital map data based on determining that a difference between the first road curvature and the second road curvature exceeds a threshold;
• and
• providing the flagged road geometry as an output for identifying the map error.