At present medical X ray imaging is undergoing major changes triggered by important technological developemnts. Because of the widespread availability of powerful computers and recent advances in large-area electronics, digital imaging technologies are about to replace the last stronghold of conventional imaging, the radiographic film. An overview is given of the technological principles of the different digital image receptors and thier relatie merits. Another area where digital acquisition technology has already penetrated into clinical practice is fluoroscopy.
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