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Image Enhancement of Conventional Transverse-Axial Tomograms

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4 Author(s)
John W. Strohbehn ; Thayer School of Engineering, Dartmouth College ; Carter H. Yates ; Bruce H. Curran ; Edward S. Sternick

An image processing system for image enhancement of conventional transverse axial tomography (TAT) is described. Conventional TAT means a tomography system in which the X-ray source and X-ray film move in a circular arc about the long axis of the patient, which is a different technique from computerized tomography. In the image processing system described, the original X-ray tomograms are digitized, high-pass filtered, and displayed on a TV monitor. The results of processing several clinical tomograms are shown, and definite improvements in the observed information are noted. The basic technique should be equally applicable to other conventional tomography systems, e.g., linear tomography or hypocycloidal tomography.

Published in:

IEEE Transactions on Biomedical Engineering  (Volume:BME-26 ,  Issue: 5 )