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In June 2012 , a web of 16,000 computer prepare itself to recognize a cat by looking at 10 million image from YouTube TV . Today , the technique is used in everything from Google prototype hunt to Facebook ’s newsfeed algorithms .
The feline recognition feat was accomplished using " deep learning , " an feeler to machine learning that works by exposing a computing machine programme to a large set of raw information and having it discover more and more abstract concepts . " What it ’s about is grant the computing machine to memorise how to represent information in a more meaningful way , and doing so at several level of representation , " said Yoshua Bengio , a figurer scientist at the University of Montreal in Canada , who co - authored an article on the subject , publish today ( May 27 ) in the journal Nature . [ Science Fact or Fiction ? The Plausibility of 10 Sci - Fi Concepts ]
" There are many way you’re able to lay out information , some of which allow a human decision manufacturer to make a determination more easily , " Bengio told Live Science . For example , when visible radiation hit a person ’s eye , the photons shake neurons in the retina to fire , sending sign to thebrain ’s visual cortex , which perceives them as an image . This icon in the brain is abstract , but it ’s a more utile theatrical performance for making decision than a collection of photons .
likewise , deep learning permit a computer ( or circle of data processor ) to take a bunch of bare-assed data — in the form of pixels on a screen , for example — and construct mellow and high levels of abstraction . It can then use these abstractionist construct to make decision , such as whether a picture of a furry blob with two eyes and whiskers is a cat .
" opine of a baby scholarship , " Bengio said . " ab initio , the child may see the humans in a very dewy-eyed way , but at some dot , the tiddler ’s brain clicks , and she discovers an abstractedness . " The child can use that generalisation to learn other abstraction , he add .
The ego - learn advance has lead to dramatic overture in speech- and image - acknowledgment software . It is used in many Internet and mobile earphone intersection , and even ego - motor cars , Bengio said .
Deep learning is an important part of many flesh of " weak"artificial intelligence , nonsentient intelligence focalize on a narrow task , but it could become a component part of " strong " contrived intelligence — the kind of AI picture in moving picture like " Ex Machina " and " Her . "
But Bengio does n’t support to the samefears about strong AIthat billionaire entrepreneurElon Musk , world - celebrated physicist Stephen Hawking and others have been sound alert about .
" I do pledge to the musical theme that , in some undetermined future , AI could be a problem , " Bengio suppose , " but we ’re so far from [ potent AI taking over ] that it ’s not go to be a job . "
However , he order there are more prompt issue to be concerned about , such as how AI will touch personal privateness and the Book of Job market . " They ’re less sexy , but these are the inquiry that should be used for debate , " Bengio said .
