Abstract
Even though facilities using computed radiography (CR) operate in an electronic environment, the production of hard-copy films is still necessary during the transition period, as well as for particular needs following complete implementation. We have implemented a quantitative technique to match the response of printed CR film with that of previous screen/film combinations. A stepwedge is radiographed using the conventional system. The same stepwedge is then radiographed (same geometry and technique) using the CR system. Following processing and printing, the plot of optical density versus step for the CR system is compared with that of the screen/film system. Adjustments are made to the printing parameters until the response curves are identical. All other translation tables in the system are set to be linear. This has proven to be a valuable technique for us and provides CR printed image quality that is equivalent to that of our previous screen/film combinations.
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Hildestad, C.A., Morin, R.L. Computed radiograpy printing problems: A quantitative, observer-independent solution. J Digit Imaging 13 (Suppl 1), 43–44 (2000). https://doi.org/10.1007/BF03167622
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DOI: https://doi.org/10.1007/BF03167622