Machine Learning Times
Machine Learning Times
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7 years ago
Uncle Sam Wants Your Deep Neural Networks



Originally published in NYTimes, June 22, 2017

SAN FRANCISCO — The Department of Homeland Security is turning to data scientists to improve screening techniques at airports.

On Thursday, the department, working with Google, introduced a $1.5 million contest to build computer algorithms that can automatically identify concealed items in images captured by checkpoint body scanners.

The government is putting up the money, and the six-month contest will be run by Kaggle, a site that hosts more than a million data scientists that was recently acquired by Google.

Although data scientists can apply any technique in building these algorithms, the contest is a way of capitalizing on the progress in a technology called deep neural networks, said the Kaggle founder and chief executive, Anthony Goldbloom. Neural networks are complex mathematical systems that can learn specific tasks by analyzing vast amounts of data. Feed millions of cat photographs into a neural network, for instance, and it can learn to recognize a cat.

Companies like Google and Facebook use the technology to do things like identify faces in online images, recognize commands spoken into smartphones and translate one language into another. But the possibilities extend well beyond smartphone apps and other online services.

Earlier this year, Kaggle ran a $1 million contest to build algorithms capable of identifying signs of lung cancer in CT scans, helping to fuel a larger effort to apply neural networks to health care. Now, the hope is that neural networks can also help automated systems read body scans with greater accuracy, so checkpoint workers can spend less time pulling passengers aside and patting them down.

“We started by trying to figure out what was a dog and what was a cat,” said Goldbloom, referring to the growing community of companies, academics and other researchers working with neural networks. “Now, we’re moving into more serious territory.”

CONTINUE READING: Access the complete article in the New York Times, where it was originally published.

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