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Examples of predictions for 4-class FCN8 model. Each subfigure represents a single frame, a ground truth annotation, and a prediction image. We use the following color-coding in the annotations: red for background (mucosa), blue for lumen, yellow for polyp, and green for specularity. (a), (b), (c), (d) show correct polyp segmentation, whereas (e), (d) show incorrect polyp segmentation.
