How Do Robots Detect Motion?

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Summary: Robots detect motion using a camera as their primary sensor, and they can use a technique called optical flow to detect movement. Find out how robots detect motion with information from an electrical and computer engineering professor in this free video on robots.

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By Dr. Kazuhiko Kawamura
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Dr. Kazuhiko Kawamura is a professor of electrical and computer engineering and management of technology in Nashville, Tenn., and he is also the director of the Center for Intelligent...read more

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Video Transcript

"Robot use vision or camera as a primary sensor, and you can store image as a collection of pictures just like on a TV screen. So, if robot see me just sitting like this, then all my images would be stored in one set of pictures. Now, if I move my arm, then position of pictures representing my arm and hand will move, and robot can detect this movement using a technique called optical flow, so, in this case, my face won't move, but my hands and arm move. Using optical flow, robot can detect this movement."

eHow Article: How Do Robots Detect Motion?

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