MAP UPDATE DEVICE, METHOD, AND COMPUTER PROGRAM FOR UPDATING MAP

A map update device includes a processor configured to identify one or more registered features within a predetermined distance of the position of a feature indicated by feature data received from a vehicle among individual registered features represented in map information, associate the feature indicated by the feature data with a registered feature of the same type as the feature indicated by the feature data or of a type belonging to the same group as the type of the feature among the one or more identified registered features, by referring to feature group information indicating two or more similar types among a plurality of types of the features as the same group, and update at least the position or type of a registered feature, based on the positions or types of the features indicated by the feature data associated with the registered feature.