At Nanoplex Technologies, Inc. we have developed Nanobarcodes particles, which are encodeable, machine-readable, durable, sub-micron sized taggants which have application for document and product security. We will present results on the use of Nanobarcodes particles in a number of authentication and anti-counterfeiting applications. We also focus on the software component in recognition of particles imaged against varied backgrounds.
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Penn et al. (2004) studied this question.
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