Image Quality Evaluation of a Digital Radiography System Made in Thailand

Figure 3

The survey phantom results averaged across the observers, (a) the maximum line pair per millimeter, (b) the minimum contrast detail depth, (c) the minimum contrast detail diameter, and (d) the maximum number of distinguished shades of the step wedge for the chest, the abdomen, and the extremity settings on the images of BodiiRay, Fujifilm FDR Go, and Siemens Ysio Max (using solid gray, dotted white, and solid white bars, respectively). The error bars were the standard deviations, and the numbers inside the bars were the means.

(a)

(b)

(c)

(d)