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Smart technology sees through walls to track and identify people

• https://www.nbcnews.com

A group of researchers and students at MIT have developed an intelligent radar-like technology that makes it possible to see through walls to track people as they move around, a development that could prove useful for monitoring the elderly or sick as well as for other applications — but that also raises privacy concerns.

Tests show that the technology, known as RF-Pose, can reveal whether someone is walking, sitting, standing or even waving — and can identify individuals from a known group with a success rate of 83 percent. Its developers say it could prove useful for law enforcement, search and rescue, and — perhaps most important — health care.

"We've seen that monitoring patients' walking speed and ability to do basic activities on their own gives health care providers a window into their lives that they didn't have before, which could be meaningful for a whole range of diseases," Dina Katabi, a computer scientist at MIT and leader of the group, said in a statement.

She and her colleagues presented new research about the technology last month at a computer vision conference in Salt Lake City.

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