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modulation transfer function

 

Definition: in testing radionuclide detectors or radiographic systems, the efficiency, at each spatial frequency, of reproducing the variation (contrast) in the object density or signal in the image; it is an expression of spatial resolution and is used to evaluate imaging systems and their components; the integral of the line spread function; also known as the frequency response function or contrast transmission function; usually given as a plot of percentage amplitude response versus frequency in cycles per millimeter.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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