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Pastimes : Artificial Intelligence and Robotics
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From: FJB5/21/2017 9:08:37 AM
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Elon Musk-backed OpenAI is teaching robots how to learn just like humans do

Teaching AI using just a single example
by Nick Statt @nickstatt May 16, 2017, 3:46pm EDT

OpenAI, the San Francisco-based nonprofit research lab backed by Elon Musk, today announced a research milestone on its robotics work. The achievement is a new algorithm that allows a human being to communicate a task to an AI by performing it first in virtual reality. The method is based on what’s known as one-time imitation learning, a technique OpenAI developed to allow software guiding a robot to mimic a physical action using just a single example.

AI CAN NOW LEARN NEW TASKS QUICKLY THROUGH IMITATION
In this case, OpenAI is trying to teach a robotic arm how to stack a series of colored cube-shaped blocks. A human being wearing a VR headset first performs the task manually within a virtual environment. OpenAI then has its vision network — a type of neural network trained on a hundreds of thousands of simulated images — observe the action. This part of the process is based on previous OpenAI research focused on training AI using simulated data with ever-changing variables.

... The longer-term goal here is to give AI the ability to learn new behaviors quickly and to use that knowledge to adapt to unpredictable changes in an environment. “Infants are born with the ability to imitate what other people do,” Tobin says. “Imitation allows humans to learn new behaviors rapidly. We would like our robots to be able to learn this way, too.”


theverge.com
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