MULTIFACTOR MODEL OF AN OPTICAL ENCODING SYSTEM WITH SPATIALLY INCOHERENT ILLUMINATION
N. N. Evtikhiev, V. V. Krasnov, R. S. Starikov, A. V. Shifrina
National Research Nuclear University "MEPhI", Moscow, Russia
Keywords: оптическое кодирование, пространственно-некогерентное освещение, дифракционный оптический элемент, оптическая свёртка, численное декодирование, компьютерное моделирование, optical encoding, spatially incoherent illumination, diffraction optical element, optical convolution, numerical decoding, computer simulation
Abstract
A multifactor model of a system of optical encoding with spatially incoherent illumination is proposed. The model takes into account the influence of photosensor noise, changes in the image rasters when passing through the optical system, spurious illumination, and noise of the synthesis of the encoding diffraction optical element on the decoded image quality. It is demonstrated that the proposed model predictions agree well with the optical experiment (the decoding error is within 6%).
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