Improved multiple-image authentication based on optical interference by wavelength multiplexing.
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DOI: 10.1364/ao.456222
Abstract: In this paper, an improved multiple-image authentication based on optical interference by wavelength multiplexing is proposed, which has high security and easy optical implementation. The Fresnel spectra of original images are diffracted from the same… read more here.
Keywords: multiple image; interference; wavelength multiplexing; improved multiple ... See more keywords