How AI-powered echolocation is giving small drones night vision

Small aerial robots designed to navigate in the dark like bats are very useful for search and rescue.

[Images: Vchalup/Adobe Stock; Klyaksun/Adobe Stock]

To help small aerial robots navigate in the dark and other low-visibility environments, my colleagues and I developed an ultrasound-based perception system inspired by bat echolocation.

Current robots rely heavily on cameras or light detection and ranging, known as lidar, or both. But these sensors fail in visually........

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