Evaluation of DOVID security under first-line inspection

Ana Alexandra Andrade; Jose Manuel Rebordao

doi:10.1117/12.462722

19 April 2002 Evaluation of DOVID security under first-line inspection

Ana Alexandra Andrade, Jose Manuel Rebordao

Proceedings Volume 4677, Optical Security and Counterfeit Deterrence Techniques IV; (2002) https://doi.org/10.1117/12.462722
Event: Electronic Imaging, 2002, San Jose, California, United States

Abstract

The relative value of optical security features submitted to 1st line inspection - performed by the layman - depends on how easily they are memorized, recognized and identified. The relative security value of different Diffractive Optically Variable Image Devices (DOVID), under this type of inspection, depends on the same criteria taking specific forms for such kind of dense and dynamical visual elements. For DOVID, the relevant security components include image complexity, resemblance to other images, easiness of inspection, interconnection to product characteristics, and others. In this paper we review and analyze such kind of properties and how they can be used to implement a quantitative measure of the 1st line security value of DOVID, encompassing a number of constrains and specifications derived from human ergonomic factors. These insights are integrated in a broader context of an evaluation model of the security value of DOVID, elaborated through Multicriteria Decision Analysis methodologies, already assessed for 2nd line inspection.

Citation Download Citation

Ana Alexandra Andrade and Jose Manuel Rebordao "Evaluation of DOVID security under first-line inspection", Proc. SPIE 4677, Optical Security and Counterfeit Deterrence Techniques IV, (19 April 2002); https://doi.org/10.1117/12.462722

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KEYWORDS

Information security

Inspection

Visualization

Resistance

Neodymium

Adhesives

Optical components

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