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UMD: Image digitization systems designed to acquire and digitize x-ray images from image storage phosphor plates. The digital imaging system consists of an imaging receptor (e.g., a cassette with an image plate), an image reader, and a control console. The image is acquired on a photostimulatable substance (e.g., a phosphor plate), a reader/digitizer reads the latent image and converts it into an electrical analog signal using a laser scanner; this signal is in turn amplified and converted to a digital signal, which is stored and processed by a computer. Dedicated systems are available for thoracic imaging, for use in conjunction with conventional radiographic table systems, and also for dental and mammography applications. Image digitization systems can be used to upgrade exiting film based radiography systems.
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