Patent ID: 8025239

Claim:
A computerized method of preparing and printing an identification document, the method being performed by execution of computer readable program code by a controller of a computer system, the method comprising the steps of: the computer system providing image information to a printer, the information relating to the printing to be applied to the identification document, the image information being arranged to include at least a first and a second interleaved different images; wherein the at least first and second interleaved images are formed by: (a) dividing each of the at least first and second images into a selected number of rows of image portions; (b) creating an interface file for receiving the interleaved images; (c) selecting a first image row to be interleaved from the first of the at least first and second images; (d) writing the first image row from the first image to the interfaced file; (e) writing a second image row from the second image to the interfaced file adjacent to the image row from the first image; (f) repeating steps (d) and (e) until all the selected number of rows from the at least first and the second image portions have been interleaved in the interfaced file; printing the at least first and second interleaved different images onto an image layer of an identification document substrate; applying a laminate over the image layer; using pressure to emboss a lens profile into the laminate; and, wherein, the document formed of the at least two interleaved different images in the image layer and the lens profile enables display of each one of the at least the first and second different interleaved images when the document is viewed at different predetermined angles, the lens profile including lens elements that direct light to the at least different first and second images at different corresponding viewing angles causing the at least first and second different images to appear and disappear with changing viewing angles.