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Conferences > FiO > 2012 > FW3A > FW3A.11

Image enhancement in multiplexed data by using phase gratings in theta modulation encrypting techniques

Luisa Cabezas, Myrian Tebaldi, John Fredy Barrera, Néstor Bolognini, and Roberto Torroba

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Abstract

We present an improvement to the theta modulating techniques for multiplexing encrypted images. We introduce sinusoidal phase gratings finding an increase in the contrasts of the decrypted images thanks to energy redistribution.

© 2012 Optical Society of America

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