From a digital vantage point in orbit, scientists have mapped every building on Earth—2.75 billion structures, all in 3D.

The American highway system gives motorcycle riders an immense set of options when searching for the perfect ride. Canyons to the west, smoky mountains to the east, vast deserts and open plains, rainy ...

LiDAR measurements hit the ground every few feet of horizontal spacing and can miss the top of sharp summits, leading to an ...

Well, here's something you don't see every day: all 2.75 billion buildings of the world shown together in a single 3D map.

Abstract: This paper introduces a Graph Slam framework for improving the accuracy of elevation-maps. The core-idea is to utilize LIDAR images in determining the relationships between the road nodes ...

Chicago's eastern boundary is formed by Lake Michigan, and the city is divided by the Chicago River into three geographic sections: the North Side, the South Side and the West Side. These sections ...

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Abstract: Unmanned aerial vehicle (UAV) photogrammetry without ground control points (GCPs) can effectively improve production efficiency and reduce production costs; this method is especially ...