Robots with flies' eyes could take advantage of the insect’s vision system to better locate the edges and boundaries of objects. This ability could help robots perform a variety of tasks more quickly and accurately than if they were using traditional sensors.
ESA - Flyeye: ESA's bug-eyed asteroid hunter
Artificial bee eye could improve robotic vision
Insects see in much better resolution than we thought
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OnRobot Eyes - Flexible, Adaptable 2.5D Vision System – Thinkbot Solutions LLC
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Robots track moving objects with unprecedented precision, MIT News
RoboBees Can Fly and Swim. What's Next? Laser Vision, Innovation