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Proceedings Paper

Three-dimensional image processing, recognition, and security
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Paper Abstract

We present several methods for optoelectronic processing of 2- and 3-D images based in digital holography. 2D objects are optically encrypted by using on-axis digital holography. The digital hologram is obtained with phase-shifting interferometry. The encryption of the hologram is performed by using random phase codes. As conventional holograms, digital holograms contain information about shape, location and orientation of 3-D objects. This allows us to apply 3-D pattern recognition techniques with high discrimination. We also measure 3-D orientation changes using the information contained in digital holograms. Experimental results are presented.

Paper Details

Date Published: 24 May 2000
PDF: 9 pages
Proc. SPIE 4089, Optics in Computing 2000, (24 May 2000); doi: 10.1117/12.386814
Show Author Affiliations
Bahram Javidi, Univ. of Connecticut (United States)
Enrique Tajahuerce, Univ. of Connecticut (Spain)


Published in SPIE Proceedings Vol. 4089:
Optics in Computing 2000
Roger A. Lessard; Tigran V. Galstian, Editor(s)

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