ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,991, issued on May 5, was assigned to INDIAN INSTITUTE OF TECHNOLOGY DELHI (New Delhi).

"Person identification and imposter detection using footfall generated seismic signals" was invented by Subrat Kar (New Delhi), Bodhibrata Mukhopadhyay (New Delhi) and Sahil Anchal (New Delhi).

According to the abstract* released by the U.S. Patent & Trademark Office: "A smart device, biometric authentication system and a corresponding method thereof for person identification and imposter detection has been disclosed. The method comprises detection and extraction of seismic signals generated from corresponding footfalls, by means of unsupervised learning based detection and extraction module (US...