| CPC G01C 21/3859 (2020.08) | 8 Claims |
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1. A map data generation method comprising:
generating a plurality of data sets from a travel log data group that is comprised of a plurality of travel log data, each of the plurality of data sets including one or a plurality of the travel log data, the plurality of data sets differing from each other;
generating a map data for evaluation from each respective one of the plurality of data sets so that a plurality of the map data for evaluation are generated, a number of the map data for evaluation that is generated is equal to a number of the plurality of data sets;
identifying abnormal map data from amongst the plurality of map data for evaluation by comparing the plurality of map data for evaluation with each other;
identifying abnormal travel log data from the travel log data that was used to generate the abnormal map data by comparing the data set that was used to generate the abnormal map data with the data set or sets that were used to generate the map data for evaluation that was not identified as the abnormal map data; and
generating a final map data using one or more of the data sets that do not include the abnormal travel log data that has been identified and without using the abnormal travel log data that has been identified.
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