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The Radiographic Image

Course Number: 571

Image Distortion

It refers to the non-proportional increase in the dimensions of a radiographed object relative to the actual dimensions of that object. It happens when there is a change in the angle of the incidence x-ray beam or when the receptor is not parallel to the object (Figure 10). 2,4,5,7,8

Distortion of shape

Figure 10. Distortion of the shape of the rectangle due to a change in the angle of incidence of an x-ray beam.