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

<div><i>Comparison of the Contrast-to-Noise Ratio (CNR) for the Thinner Aluminum Step Wedge</i>. (a) Exposure condition with only the aluminum step wedge. (b) Exposure condition with the aluminum step wedge and the lead plate.</div>

BioMed Research International

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Figure 7

Figure 7: Numerical Evaluation of Image Contrast for Thicker and Thinner Objects among Current Intraoral Digital Imaging Systems 