Recently Microsoft released the information of 124,885,597 reckoner generated edifice footprints inwards the United States. The edifice footprints were generated yesteryear grooming reckoner vision algorithms to recognize edifice geometries on aerial imagery of the USA. Microsoft has made the information gratis to download nether an Open Data Commons Open Database License.
Obviously Microsoft's USBuildingsFootprints is a nifty resources for U.S. map makers. However earlier using the information you lot powerfulness desire to explore if it is tally for purpose. Computer vision artificial news is an emerging scientific discipline as well as is non gratis from error. You powerfulness so desire to explore the accuracy of the information earlier using it.
Dan Cookson's New York Buildings allows you lot to explore the accuracy of Microsoft's edifice footprint information inwards New York. It does this move overlaying the information on transcend of Here aerial imagery. Using the map you lot tin compare the Microsoft edifice footprints to the actual buildings shown inwards the aerial imagery. You tin likewise brand instantly comparisons betwixt Microsoft's edifice footprints as well as New York City's opened upwards buildings information as well as edifice footprints from Open Street Map.
In New York OSM as well as the local potency information appears to move to a greater extent than accurate than Microsoft's edifice footprint data. The Microsoft edifice footprints oftentimes seem to conflate a publish of buildings inwards a block into i or to a greater extent than larger buildings. It looks to me similar Microsoft's information is reasonably accurate inwards determining the marking of edifice comprehend inwards an surface area but less accurate inwards defining every private edifice footprint (at to the lowest degree inwards New York). Of shape Microsoft's information powerfulness however move tally for purpose. It simply depends on how accurate you lot postulate your edifice information to be.
Also See
US Buildings - a depression resolution interactive map of all of Microsoft's 124,885,597 reckoner generated edifice footprints.