Spoof detection by comparing images captured using visible-range and infrared (IR… Grant US-11328043-B2 United States of America 10 May 2022
Spoof detection using dual-band fluorescence Grant US-11170242-B2 United States of America 09 Nov 2021
Spoof detection using dual-band near-infrared (NIR) imaging Grant US-10970574-B2 United States of America 06 Apr 2021
Spoof detection using structured light illumination Grant US-10885363-B2 United States of America 05 Jan 2021