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Synthetic dataset: ground truth images (left column) along with images for segmented regions incorporating size, location, shape, simulated salt-and-pepper errors in the segmentation, or combinations. The text refers to these images with a combination of one of the letters “r,” “d,” “e,” or “s,” and a number: r0 corresponds to the first—and ground truth—rectangle image; d12 is the last disc image, etc.
