Effect of Edge-Preserving Adaptive Image Filter on Low-Contrast Detectability in CT Systems: Application of ROC Analysis

<table>Appearance of the low-contrast phantom and locations of targets. Four types
of targets (enclosed in thick lines) were used for assessment.</table>

International Journal of Biomedical Imaging

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Figure 2

Figure 2: Effect of Edge-Preserving Adaptive Image Filter on Low-Contrast Detectability in CT Systems: Application of ROC Analysis 