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http://physicsinventions.com/index.php/chess-terminator-robotic-hand-that-rivals-ex-world-champ-kramnik/

Feb 5th 2011 at 11:37 AM
British scientists at the University of Bristol developed a copycat robotic head, dubbed Jules. The head is able to mimic the facial expressions and lip motions of a human. The robotic Jules represents an animatronic head developed by David Hanson, American specialist in robotics, who works on the creation of uniquely expressive, incorporeal heads made of flexible rubber skin which moves with the help of 34 servo motors. The motions of a human face are monitored by a video cameraand mapped onto small electronic motors in the skin of the robotic head. The group of scientists at Bristol developed their own software that will help pass the expressions, which the video camera recorded, into commands, thus making servos generate facial motions that are similar to the real ones. But due to the fact that the robot’s motors cannot be compared to the real human facial muscles, a little artistic license was needed. The scientists hired an actor, who performed on camera different expressions, such as happiness for example. Afterwards an animator chose ten frames showing a variety of facial expressions and set by hand the servos in the face of the robotic head to match. Such training scientists applied in order to develop software which would be able to transfer what it observes on video into similar settings of facial motors of Jules. The robotic head is thus able to mimic faces in real time at a speed of 25 frames per second, reports NewScientist. read more at http://physicsinventions.com/index.php/human-like-robots-to-mimic-human-facial-expressions/
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