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Digital Radiography

Direct or Digital Radiography is a form of x-ray imaging, where digital x-ray sensors are used instead of traditional photographic film. The image brightness and contrast can be modified by digital processing of the acquired image data. Inadequate or excessive exposure is manifested as higher or lower image noise levels instead of as a light or dark image. Digital imaging systems can produce adequate image contrast over a much broader range of exposure levels than film-screen imaging systems. The broad dynamic range is one of the benefits of digital detectors. Conventional x-ray tube systems are predominantly used with digital radiography.[1]

Reference

  1. Conference of Radiation Control Program Directors, Inc. "COMPUTED RADIOGRAPHY (CR) AND DIGITAL RADIOGRAPHY (DR) STATE X-RAY INSPECTION PROTOCOL--Publication No. E-10-2 " Jan 2010. http://www.crcpd.org/pubs/CR&DR_Protocol.pdf

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