![]() This helps them greatly in farming, construction, urban planning, energy, mining, and many other sectors. They fly drones, capture the data, and process it seamlessly to get orthomosaics and Digital Surface Models (DSM). Photogrammetry is now practised every day by hundreds and thousands of people around the world. Today, the science of photogrammetry is in a totally different place due to the rise of drones over the past 7-8 years. The data was used mainly by governments and the military, and it was extremely expensive. Back then, it was a field understood and practised by a fairly small and closed group of engineers. Initially being fully analogue, it is gradually being digitalized for the past 30-40 years. The science of photogrammetry has been developing for more than a century.
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