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. Author manuscript; available in PMC: 2008 Jun 18.
Published in final edited form as: IEEE Trans Med Imaging. 2003 Sep;22(9):1163–1171. doi: 10.1109/TMI.2003.816964

Fig. 4.

Fig. 4

Distance metric. The sum of distances between adjacent 3D points along the actual vessel path (short arrows) is divided by the length of the straight path between the first and last 3D points (long line).