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Receiver-operator curves for the semantic boundary prediction task in Experiment 3. Our proposed end-to-end method is compared against existing approaches: Canny edge detection (Canny, 1986) and holistically nested edge detection (Xie & Tu, 2017). The specificity (1 - False Positive Rate), sensitivity and area under the curve (AUC) of the thresholded predictions are also provided in Table 3.
