All-optical three-dimensional object recognition with volume holography

Seung-Ho Shin; Bahram Javidi

doi:10.1117/12.449336

13 November 2001 All-optical three-dimensional object recognition with volume holography

Seung-Ho Shin, Bahram Javidi

Author Affiliations +

Proceedings Volume 4471, Algorithms and Systems for Optical Information Processing V; (2001) https://doi.org/10.1117/12.449336
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

We present an all optical photorefractive volume holographic processor for recognition of three-dimensional(3D) objects. The templates are recorded by use of a volume hologram in a photorefractive LiNbO₃:Fe crystal located at the Fresnel diffraction region and correlated in real time with a 3D object illuminated by coherent light. Experimental results for recognition of 3D objects are presented and compared with conventional two-dimensional method.

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Seung-Ho Shin and Bahram Javidi "All-optical three-dimensional object recognition with volume holography", Proc. SPIE 4471, Algorithms and Systems for Optical Information Processing V, (13 November 2001); https://doi.org/10.1117/12.449336

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