3. Visual Positioning System (VPS)
Using optical sensors and computer vision algorithms, Visual Positioning System technology helps drones to keep exact position control and negotiate home. When GPS signals are weak or absent, this technology captures and analyses real-time photographs of the ground below to generate a comprehensive terrain map for use in navigation. In interior areas and urban canyons where conventional navigation techniques could fail, VPS technology shines. Thousands of photos are processed by the system every second, which compares them with past-recorded frames to remarkably precisely determine position and movement. Particularly useful for autonomous operations in challenging environments, advanced VPS systems can even identify and avoid impediments during the return voyage.
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