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Samples of low-resolution images extracted from the dataset. Panels A, C, E show the carotid. Panels B, D, and F show the zoomed portion of the corresponding dashed rectangle on the left. The white arrows indicate the challenges of these images: interrupted intima representation (panel B), low contrast between intima, media, and adventitia (panel D), and well represented adventitia, but hypoechic intima (panel F).
