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. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: IEEE Trans Med Imaging. 2018 Nov 26;38(5):1304–1313. doi: 10.1109/TMI.2018.2883301

Fig. 2:

Fig. 2:

Cumulative distribution of spectral energy of all pixels (blue dotted) and labeled pixels (red solid) show that a threshold of 0.35 (green dashed) will exclude labeled (subset of foreground) pixels.