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. Author manuscript; available in PMC: 2019 Sep 25.
Published in final edited form as: IEEE J Biomed Health Inform. 2015 Oct 26;20(6):1595–1607. doi: 10.1109/JBHI.2015.2483318

Fig. 2.

Fig. 2.

Example of incorrect medial axis determined using distance transform only (solid line). The desired medial axis is manually drawn and is overlaid on the image (dashed line). The left-hand, right-hand, and interior sections are labeled on the bounding box image to highlight the limitations of the distance transform algorithm.