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Redundant shadows in rotational panoramic radiographs. Estimating the imaging positions of objects by mathematical
1Department of Oral and Maxillofacial Radiology, Tokyo Dental College, Chiba, Japan.
Oral Surgery, Oral Medicine, and Oral Pathology
|October 1, 1991
Abstract:
The sources of real, ghost, and double images in rotational panoramic radiographs generated by a machine with a continuous movement of the center of rotation are described. No assumptions are made with regard to the trajectory of the center of rotation; rather, an empirical approximation scheme is used to establish a regression from which measured positions of reference objects can be predicted.