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Figure 2


Figure 2. The variation of the contrast index(CI), speed index (SI) and maximum optical density (ODmax) values with frame numbers for tests 1.1 (Agfa film), 1.2 (Ferrania film), 1.3 and 1.4 (Konica film) performed on different days with the same laser printer (Scopix LR3300, Agfa) at the same CT installation. The frames have been numbered starting from the upper left corner, and vertical lines indicate the start of each of the 5 rows with 4 frames each.





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