OpenStreetMap with crowdsourcing, Microsoft Bing and Google with advanced image processing, AI and machine learning methods provide enormous opportunities and building data on a global scale.
Microsoft and Google have been investing in mapping for a long time. Both tech giants have released their building points that can be used for population estimation, urban planning, risk analysis, environmental studies, and humanitarian purposes
When we reviewed the open building datasets from Microsoft, Google and OpenStreetMap, we found that each source has different advantages and considerations. The first point to consider is accuracy and integrity of the data.
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