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...Image restoration filters inverse wiener filter kalman digital processing lectures m r azimi professor department of electrical and computer engineering colorado state university there are basically two classes lters deterministic based these methods ignore eects noise statistics the e g lter least squares ls stochastic statistical information is used to generate d a direct attempts recover original from i observed blurred using an system h n corresponding blur psf figure filtering if we assume no case have y x k l produces then or clearly hi thus now slight quantization in gives at those frequencies where becomes very large amplied b pseudo overcome problems with modify transfer function as small positive quantity for alternatively can use while rst form corresponds special discussed next it does not take into account...