Photogrammetry is the art and science of extracting 3D information from photographs. The process involves taking overlapping photographs of an object, structure, or space, and converting them into 2D or 3D digital models.
Photogrammetry is often used by surveyors, architects, engineers, and contractors to create topographic maps, meshes, point clouds, or drawings based on the real-world.
There are two primary types of photogrammetry: aerial and close-range.
The process of utilizing aircrafts to produce aerial photography that can be turned into a 3D model or mapped digitally. Now, it is possible to do the same work with a drone. Drones have made it easier to safely capture hard-to-access or inaccessible areas where traditional surveying could be dangerous or impractical.
Close-range photogrammetry is when images are captured using a handheld camera or with a camera mounted to a tripod. The output of this method is not to create topographic maps, but rather to make 3D models of a smaller object.
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Reality capture is the process of scanning an object, building, or site and producing a digital model.
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Here's a roundup of tips, tricks, and best practices for getting quality results when capturing photos.
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Learn more about photogrammetry with these tutorials, tips, and guides.
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Discover techniques for taking high-quality photographs that will produce the best results for photogrammetry.
Drones in construction are being used to more accurately—and safely—capture valuable data from project sites.