How Accurate Are Bing's Edifice Footprints?
Recently Microsoft released the information of 124,885,597 figurer generated edifice footprints inwards the United States. The edifice footprints were generated past times grooming figurer 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 smashing resources for U.S. map makers. However earlier using the information you lot powerfulness desire to explore if it is check for purpose. Computer vision artificial tidings is an emerging scientific discipline too is non gratis from error. You powerfulness thence 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 live on overlaying the information on top of Here aerial imagery. Using the map you lot tin flame compare the Microsoft edifice footprints to the actual buildings shown inwards the aerial imagery. You tin flame likewise brand straight comparisons betwixt Microsoft's edifice footprints too New York City's opened upwards buildings information too edifice footprints from Open Street Map.
In New York OSM too the local potency information appears to live on to a greater extent than accurate than Microsoft's edifice footprint data. The Microsoft edifice footprints oftentimes seem to conflate a let out 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 storey of edifice encompass inwards an expanse but less accurate inwards defining every private edifice footprint (at to the lowest degree inwards New York). Of storey Microsoft's information powerfulness nevertheless live on check 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 figurer generated edifice footprints.
