Chapter 44Robotic Eyes
For a robot to be truly useful it needs senses; the more senses, the better. It’s easy to endow even the most basic robot with a sense of touch—all it takes is a couple of small switches, or maybe an infrared or ultrasonic detector here and there.
But things get a little tougher when it comes to the sense of sight. Producing images for a robot to see is no problem; you need nothing more than an inexpensive video camera. The trouble comes when trying to make sense of those images … is that the family cat pretending to be asleep in the middle of the living room, or is it a pair of old, discarded socks?
Despite the challenges in endowing a robot with eyes, there are a number of affordable and relatively easy methods of creating ...
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