Journal of Healthcare Engineering / 2017 / Article / Fig 5

Research Article

The Edge Detectors Suitable for Retinal OCT Image Segmentation

Figure 5

Edge extraction in ROI, from human observer and three algorithms. (a) Retinal layer boundaries marked by a human observer, (b) edges within ROI for the Canny edge detector, (c) edges within ROI for two-pass edge detection algorithm, and (d) edge within ROI for EdgeFlow technique.

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