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Using external cameras to help robots map unfamiliar spaces faster
Giorgia Modi, Davide Buoso, Giuseppe Averta, Daniele De Martini
May 18, 2026
Robots exploring unknown environments now benefit from fixed external camera feeds—like security cameras or remote views—that create a geometric and semantic map before the robot moves. The system treats all camera feeds identically through a single RGB-based pipeline, fusing external views with onboard sensors to build 3D scene graphs incrementally. In experiments, even one external camera boosted initial object detection by 79% and made active exploration significantly more efficient.
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