Microscopic Paper Fingerprinting, Sharma, A., Subramanian, L., & Brewer, E. A. (2012). Microscopic paper fingerprinting. SPIE Newsroom.
Financial systems, health care, governance, and other related markets use paper as the primary medium of communication. Therefore, verifying the authenticity of a piece of paper or document is of paramount importance…We have developed a low-cost microscopic system to authenticate paper that works across a wide variety of scenarios.