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This invention describes a drone racing course made up of special gates. Each gate has an opening for drones to fly through, and around this opening is a unique visual pattern, called a fiducial marker. These markers are designed to tell a drone's camera its exact position, its order in the race, and its orientation, helping the pilot navigate the course. The claims specifically define the physical race course itself, comprising these gates and their integrated fiducial markers.
Why it matters: Filed in 2018, before significant advancements in drone onboard processing and computer vision. Today, drones can more reliably and quickly interpret fiducial markers for real-time navigation assistance, making such a course design more effective.
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