Patent ID: 8059858
Filing Date: 2011-11-15
Classification: B42D,G06Q,G06T,G07D,G07F,G09C,H04K,H04L,H04N

Abstract:
1. A method comprising: receiving data corresponding to a detection trigger of an identification document; and determining whether to authenticate the identification document through digital watermarking or through an alternative process, including: if the received data indicates an expected presence of digital watermarks, authenticating the identification document through the digital watermarking authentication process, wherein the digital watermark authentication process utilizes at least first and second digital watermarks and includes analyzing optical scan data that corresponds to the identification document to attempt to obtain information conveyed by the first and second digital watermarks; if the information is obtained, cross-correlating at least some of the information conveyed by the first digital watermark with at least some of the information conveyed by the second digital watermark, and providing a signal corresponding to a result of the cross- correlation of the watermark information; if the information is not obtained providing a signal representing that the identification document is considered suspect; if the received data indicates an expected absence of digital watermarks, authenticating the identification document through the alternative authentication process, wherein the alternative authentication process utilizes bearer or document specific information and includes attempting to obtain the specific information from at least two sources related to the identification document; if the specific information is obtained, cross-correlating the specific information, and providing a signal corresponding to a result of the cross-correlation of the specific information; and if the specific information in not obtained, providing a signal representing that the identification document is suspect.