Pattern recognition with spatially incoherent holographic correlators is described. Their performance is improved by optimizing the optical layout and preprocessing the reference image. Compared with coherent holographic correlators the incoherent ones are much more tolerant of mechanical errors, optical aberrations and dust; also, they work without spatial light modulators.
Pattern Recognition With Incoherent Holographic Correlators
Optics and the Information Age ; 1987 ; Québec,Canada
Proc. SPIE ; 0813
1987-01-01
Conference paper
Electronic Resource
English
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