Abstract
Detection of binary images in film grain noise with intersymbol interference (ISI) has been investigated. The film grain noise has been modelled as signal dependent additive noise in the density domain. The ISI is assumed to be caused only by its four predominant neighbours. Detection performance has been analysed using statistical decision theory. Probability of error curves have been obtained for two films namely fine grain roll film and microfilm. The effect of signal to noise ratio and aperture size has been examined and discussed.
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