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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: IEEE Trans Med Imaging. 2012 Nov 15;32(2):376–386. doi: 10.1109/TMI.2012.2227120

Fig. 8.

Fig. 8

Unsigned surface positioning errors observed in 28 volumetric OCT images. Inter-observer variability is shown in blue, errors of the original graph search method with only hard constraints are shown in red [8], and errors of the proposed method are shown in green. For all four surfaces, the resulting errors are significantly smaller than the corresponding inter-observer variabilities (p < 0.001). Compared with the original graph search method, our method showed a significant improvement for surfaces 2, 3, and 4 (p < 0.05).