Patent 11030470 was granted and assigned to Samsung on June, 2021 by the United States Patent and Trademark Office.
A processor-implemented liveness test method includes: obtaining a color image including an object and an infrared (IR) image including the object; performing a first liveness test using the color image; performing a second liveness test using the IR image; and determining a liveness of the object based on a result of the first liveness test and a result of the second liveness test.