Diagnostic Accuracy Of Displays

Unaffected By DICOM Standard Calibration

By: Anna Steere

Published: June 10, 2014 HealthImaging Magazine

No significant differences were seen between the diagnostic accuracy in medical-grade gray scale displays and consumer-grade color displays with and without the calibration method established by the DICOM standard calibration method, according to a study published in the June issue of the American Journal of Roentgenology .

Established to prevent inconsistent presentation of medical images, the DICOM gray-scale standard display function (GSDF) offers a calibration method for producing consistent images. The method includes a just-noticeable difference in luminance and distributes the luminance range of a display system based on the Barten model. To compare the clinical effect of the presence or absence of GSDF calibration on the diagnostic accuracy of reading images on LCD or LED consumer-grade displays, lead author Antonio J. Salazar, of the University of Los Andes in Colombia, and colleagues examined 76 cases.

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