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Figure 3


Fig. 2B —Average experimental contrast-detail curves. Amorphous silicon ({blacksquare}) and amorphous selenium ({diamond}) images taken with phantom entrance dose of 54 µGy (A), with AEC (B), or with phantom entrance dose of 135 µGy (C). Data points were obtained by averaging responses of five radiologists who reviewed all images independently. Bars indicate SD of 15 image scorings (5 observers x 3 images).