In this paper we discuss an approach to the image digital filtering. By a formal point of view, the subject is ideal t with as a numerical simulation of the corresponding analog procedure. So wie study some aspects of the implementation of three kinds of filters FIR(low-pass, band-pass, high-pass) having transfer functions sinc u. Then we report exemples of filtering on test images, for which the behavior of the filters in the frequency domain is analitically foreseeable.
Implementation of a digital filter having transfer function sinc
Tonazzini A
1982
Abstract
In this paper we discuss an approach to the image digital filtering. By a formal point of view, the subject is ideal t with as a numerical simulation of the corresponding analog procedure. So wie study some aspects of the implementation of three kinds of filters FIR(low-pass, band-pass, high-pass) having transfer functions sinc u. Then we report exemples of filtering on test images, for which the behavior of the filters in the frequency domain is analitically foreseeable.File in questo prodotto:
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