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Google conjures artificial brain with billion connections
Tuesday June 26, 2012 05:42:11 PM,
IANS
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London: Google has
done the unthinkable -- the creation of an 'artificial brain' from
16,000 computer processors, with more than a billion connections.
The team led by Google's Jeff Dean then fed it random images
culled from 10 million YouTube videos - and let it 'learn' by
itself.
Surprisingly, the machine focused in on cats. "We never told it
during the training 'this is a cat'," said Dean. "It basically
invented the concept of a cat."
"Contrary to what appears to be a widely-held intuition, our
experimental results reveal that it is possible to train a face
detector without having to label images as containing a face or
not," says the team.
"We also find that the same network is sensitive to other
high-level concepts such as cat faces and human bodies."
"Starting with these learned features, we trained our network to
obtain 15.8 percent accuracy in recognising 20,000 object
categories from ImageNet, a leap of 70 percent relative
improvement over the previous state-of-the-art," it said, Daily
Mail reports.
The 'brain' was a creation of the company's 'blue sky ideas' lab,
Google X, reportedly located in Google's Mountain View,
California, headquarters - known as 'the Googleplex'.
Engineers are free to work on projects such as connected fridges
that order groceries when they run low - or even tableware that
can connect to social networks. Other Google engineers have
reportedly researched ideas as far-out as elevators to space.
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