There is a large body of work on using commercial wireless devices to detect, identify and localize people as well as their motion, gestures, and even vital signs. The underlying techniques span from machine learning techniques to signal processing and Radar.

To some extent, the impact of a person’s body/motion on the wireless signals can resemble an image/video.

While there has been extensive use of advanced Machine learning techniques for people/object tracking in videos, there is very little work on using these techniques in the wireless domain. For example, applying the works presented here ( to wireless sensing.

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