An information processing apparatus generates printing image data of a printing image and copy-forgery-inhibited-pattern-image data of a copy-forgery-inhibited pattern image to be added to the printing image. The copy-forgery-inhibited pattern image includes a latent image and a background image. The...http://www.google.com.au/patents/US7920817?utm_source=gb-gplus-sharePatent US7920817 - Information processing apparatus and information processing method
