Patent ID: 7660443

Claim:
A counterfeit eye discrimination method comprising the steps of: capturing, by a capturing device, a single image from a living eye or a photocopy of a living eye that is positioned outside the capturing device; receiving image data of the single image and storing the image data on a memory device; detecting presence or absence of static textual roughness in the single image by image processing to the image data; and wherein the single image is judged to have been captured from a photocopy of a living eye when the static textual roughness is detected in the image, wherein the image processing includes the steps of: performing band limitation to the image data; and extracting a predetermined feature from the band-limited image data, wherein the presence or absence of the static textual roughness is detected using the extracted feature data; wherein the predetermined feature is one of or a combination of two or more of moment, central moment, skewness and kurtosis of pixel values.