MAP DATA DIFFERENCE EXTRACTION DEVICE, MAP DATA DIFFERENCE EXTRACTION METHOD, AND MAP DATA DIFFERENCE EXTRACTION PROGRAM

摘要

To update map data 181 by using measurement data 182.SOLUTION: (1) A part of measurement data 182 is compared with a part of map data 181 on the basis of a feature. (2) The part of the map data 181 is updated on the basis of a comparison result. (3) The map data 181 is updated by reflecting the updated part of the map data 181 in the map data 181.SELECTED DRAWING: Figure 15