Pengaruh Faktor Geometri Distorsi pada Citra Radiografi.

Abstract

Distortion is an uneven magnification on different parts of the same object. Research on geometric distortion has been done on radiographic images. The position of the object used is 0 °, 30 °, 45 ° and 90 °. The research was conducted on Radiology unit at Dumai City Hospital area. From the results of this study found that there is distortion at positions 30 ° and 45 ° and magnification occurs in each image. Distortion can also affect the density of the radiographic image, from the results of the test using densitometer then found each image with a close Focus Film Distancefound low density but if the Focus Film distance too far density can also be low.