MIT Research’s WiTrack has its eye on you
From: SD Times - 12/17/2013
By: Christina Mulligan

Researchers at the Massachusetts Institute of Technology (MIT) Computer
Science and Artificial Intelligence Lab are developing 3D motion-tracking
technology that can see through walls.

The system, WiTrack, senses the motion of a person through radio signals
reflecting off their body to pinpoint location and movement. The system uses
one antenna to transmit signals and three antennas to receive signals. A
geometric model of a person’s location is built by the signals between
antennas, using reflections off a person’s body to calculate the distance
between the antennas and the person.

One way the researchers see the technology being used in the near future is
in monitoring the elderly. Today, in order to monitor the elderly, they are
required to wear sensors, which, in cases of dementia, can be forgotten to be
worn. With WiTrack, no sensors or cameras are required, and it can detect a
fall with a very high degree of accuracy.

Read the entire article and view a video (2:30) at:
http://sdt.bz/67488

Link:
Through-Wall 3D Tracking Using Body Radio Reflections
http://witrack.csail.mit.edu/