Color Image Correlation Using A Magneto-Optic Spatial Light Modulator

B. Javidi; C. J. Kuo; Y. F. Chen; J. E . Ludman

doi:10.1117/12.942007

19 February 1988 Color Image Correlation Using A Magneto-Optic Spatial Light Modulator

B. Javidi; C. J. Kuo; Y. F. Chen; J. E . Ludman

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Proceedings Volume 0825, Spatial Light Modulators and Applications II; (1988) https://doi.org/10.1117/12.942007
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

A real-time polychromatic image correlator that uses a magneto-optic spatial light modulator (SLM) device for pattern recognition based on both the color and shape of an input object is presented. The proposed system utilizes a multi-channel spectral matched spatial filter employed in a binary coherent optical correlator. Input color images are transformed into binary color coded coherent images by a color grating. The color coded images are read-out by a charge coupled device interfaced with a magneto-optic SLM. The color coded binary images are then processed by a multi-channel joint spectral matched spatial filter synthesized by monochromatic light. Pattern recognition experiments for naturally illuminated real color objects are presented.

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B. Javidi, B. Javidi, C. J. Kuo, C. J. Kuo, Y. F. Chen, Y. F. Chen, J. E . Ludman, J. E . Ludman, } "Color Image Correlation Using A Magneto-Optic Spatial Light Modulator", Proc. SPIE 0825, Spatial Light Modulators and Applications II, (19 February 1988); doi: 10.1117/12.942007; https://doi.org/10.1117/12.942007

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