Image restoration by selective short space spectral subtraction

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Title: Image restoration by selective short space spectral subtraction
Author: Korte, Rose M.
Abstract: Image restoration by short space spectral subtraction has been applied recursively to a photographic system in an attempt to increase the signal to noise ratio proportionally to the amount of optical density present. The image is smoothed in the frequency domain a small space at a time based on the power spectrum at a given density level. The method is a variable filter that is a function of photographic density.
Record URI: http://hdl.handle.net/1850/8732
Date: 1981-04

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