13 May 2010 Evolution of optically nondestructive and data-non-intrusive credit card verifiers
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Abstract
Since the deployment of the credit card, the number of credit card fraud cases has grown rapidly with a huge amount of loss in millions of US dollars. Instead of asking more information from the credit card's holder or taking risk through payment approval, a nondestructive and data-non-intrusive credit card verifier is highly desirable before transaction begins. In this paper, we review optical techniques that have been proposed and invented in order to make the genuine credit card more distinguishable than the counterfeit credit card. Several optical approaches for the implementation of credit card verifiers are also included. In particular, we highlight our invention on a hyperspectral-imaging based portable credit card verifier structure that offers a very low false error rate of 0.79%. Other key features include low cost, simplicity in design and implementation, no moving part, no need of an additional decoding key, and adaptive learning.
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Sarun Sumriddetchkajorn, Sarun Sumriddetchkajorn, Yuttana Intaravanne, Yuttana Intaravanne, } "Evolution of optically nondestructive and data-non-intrusive credit card verifiers", Proc. SPIE 7726, Optical Sensing and Detection, 77261B (13 May 2010); doi: 10.1117/12.853505; https://doi.org/10.1117/12.853505
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