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Pattern recognition with wavelength-multiplexed filters

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Abstract

Wavelength-multiplexed matched spatial filters are used in an incoherent optical pattern recognition system. The system produces color-coded correlation responses which allow the simultaneous recognition of several objects and, in addition, reduces the requirements on filter positioning devices. Analysis of the system, comparison with previous systems, experimental results, and discussions are given.

© 1979 Optical Society of America

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