Numerical Evaluation of Image Contrast for Thicker and Thinner Objects among Current Intraoral Digital Imaging Systems

Figure 4

Images of Thicker Aluminum Step Wedges by a PSP System and a CCD Sensor. A lead plate is also placed in the d, e, and f images. (a, d) Digora images. (b, e) VistaScan images. (c, f) Megadixel images.