AAI_2025_Capstone_Chronicles_Combined

Figure 3. Boxplot showing the variability in X-Ray images heights and widths.

An analysis of pixel intensity suggests that Pneumonia images tend to have higher

brightness than Normal images, which may serve as a distinguishing feature that a model picks

up on (Figure 4). This could also introduce unintended bias if a model labels any bright image as

Pneumonia.

Figure 4. Histogram of image pixel intensity (brightness) with outlier boundaries for X-ray image classes

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