ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,745, issued on March 17, was assigned to GB SOFT Co. LTD. (Daegu, South Korea).

"Operation method for measuring biometric index of a subject" was invented by Ki Bum Park (Daegu, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bio-index measurement method is disclosed. According to an embodiment, a method of measuring a biometric index of a subject using an artificial neural network in a non-contact manner, performed by one or more processors, may be provided. The method of measuring a biometric index of a subject is performed based on capturing an image of the subject, extracting a plurality of color channel values from the image, and ...