Researchers use WiFi to identify a person through-wall, by referencing a past video from another area.
Video: https://www.youtube.com/watch?v=FDZ39h-kCS8
Project page: https://www.ece.ucsb.edu/~ymostofi/IdentificationThroughWalls
Video: https://www.youtube.com/watch?v=FDZ39h-kCS8
Project page: https://www.ece.ucsb.edu/~ymostofi/IdentificationThroughWalls