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New Findings in Security Printing and Imaging

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In the past three NIP conferences, we have presented novel techniques for embedding security information into the variable data printing (VDP) for labels, documents and packaging. Recently, we have discovered that fundamental assumptions in other fields—error correcting code (ECC), classification and the use of color, for three examples—are not necessarily valid when functional security is the goal of the printing. It will be shown herein that the assumptions behind default ECC do not hold for 2D or color 2D barcodes with mobile image capture. Alternatives to ECC are suggested. When security-related tasks are the end goals of the printing and imaging, the deployment optimization for image classification is fundamentally altered. Tuning the classification engine to the security aim, rather than the image features as in traditional classification, provides significant improvement in both image throughput and classification accuracy for security-related tasks—such as inspection, authentication and forensic imaging. It will, finally, be shown that there are significant new security approaches either only possible or else greatly enhanced by the printing of color, rather than grayscale or binary, images. These broad results indicate that applied research in security printing requires new basic research in the related image processing fields.
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Document Type: Research Article

Publication date: 2009-01-01

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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