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A dual-energy Compton scatter imaging technique, analogous to that used in computed tomography and conventional radiography, has been explored. It is shown that this technique allows the photoelectric component of the attenuation factors for the primary and scattered radiations to be derived. Compton scatter images of the ear, corrected for photo-attenuation using dual energy, have been obtained with a novel Compton scatter scanner (Comscan) and are presented here. In addition, dual-energy Compton scatter imaging allows photo-effect slice images to be obtained which are a useful extension to the customary Compton images. The application of dual-energy Compton scatter to imaging bony structures and densitometry is illustrated.
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Harding et al. (1986) studied this question.
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