A 3-d (stereoscopic) X-ray Imaging Technique Based on Linear Array Detectors

In general the problem of interpreting the three-dimensional structure of an object from an X-ray image is a difficult one . This is due to the almost complete absence of depth cues in a typical radiograph containing as it does only shape and grey scale information. The spatial information usually encountered in two-dimensional images, for example photographs, is missing. Psychological depth cues such as linear perspective , occlusion and so on are usually present in reinforcing combinations in photographs.