Security

Printer-Scanner Identification Via Analysis of Structured Security Deterrents

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Executive Summary

Device identification, the ability to discern the (separate) devices by which a document was produced and/or imaged, can be leveraged in the design of quality assurance (QA) systems as well as the practice of forensic analysis. It is shown that QA metrics associated with printed security markings provide a useful approach for performing multiple device identification, i.e., printer-scanner identification. While some previous methods have focused on properties of sensors to extract signatures from general image data, the proposed approach leverages the highly structured nature of color tile deterrents to predict device (combination) signatures based on a limited amount of information.

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