IMAGE QUALITY ASSESSMENT IN DIAGNOSTIC R

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Resolution Characteristics in terms of Modulation Transfer Function MTF. To obtain images which are adequate for clinical diagnostic purposes, methods are required to evaluate the performance of imaging systems. Measurements can be made using images both of test objects and real patient images. The main part of this work involves development and implementation of spatial resolution characteristics of imaging systems used in diagnostic radiography. The resolution characteristics are determined employing square-wave methods using square-wave test objects (SWTO) made of different materials. The method is applied for two types