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A comment on Using Open Street Maps and Kalman Filters to Clean Up GPS Data. Parent comment

Re:Using Open Street Maps and Kalman Filters to Clean Up GPS... by torrent-of-ions on Tuesday September 13, 2016 @05:35AM (#12486641)
These days most high quality areas on OSM are traced from aerial imagery where it's available. GPS is used as one of many sources for the Map.
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