Effects of different <i>I</i><sub><i>T</i></sub> / <i>I</i><sub><i>S</i></sub> on the CT image resolution.

Abstract

<p>(A) <i>I</i><sub><i>S</i></sub> = 0; (B) <i>I</i><sub><i>T</i></sub> / <i>I</i><sub><i>S</i></sub> = 2, degradation of CT resolution isn’t obvious; (C)<i>I</i><sub><i>T</i></sub> / <i>I</i><sub><i>S</i></sub> = 1/2, degradation of CT resolution is tolerable; (D) <i>I</i><sub><i>T</i></sub> / <i>I</i><sub><i>S</i></sub> = 1/5, CT resolution degrades seriously. (Simulation CT image is 512×512 pixels).</p

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