Abstract

FIR digital filters based on a minimum-mean-square-error criterion are determined for the restoration of images that undergo bilinear (quadratic and with memory) distortion in the presence of additive, signal-independent noise. Results are applied to one- and two-dimensional images distorted in partially coherent imaging systems. The effects of coherence, noise, and the length of the FIR filter on image restorability are assessed.

© 1983 Optical Society of America

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