13 November 2001 All-optical three-dimensional object recognition with volume holography
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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, 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); doi: 10.1117/12.449336; https://doi.org/10.1117/12.449336
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