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Enhanced Optical Image Verification Based on Joint Transform Correlator Adopting Fourier Hologram

โœ Scribed by Hsuan T. Chang; Ching T. T. Chen


Publisher
Optical Society of Japan
Year
2004
Tongue
English
Weight
373 KB
Volume
11
Category
Article
ISSN
1340-6000

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Asymmetric-image verification for securi
โœ Hsuan T. Chang; Ching T. Chen ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 884 KB

In this paper, an optical asymmetric-image verification system based on the joint transform correlator architecture is proposed. An additional phase mask is attached to the spatial light modulator that displays the joint power spectrum as the amplitude information, to improve the system security and