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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Med Image Anal. 2015 Jul 4;26(1):1–18. doi: 10.1016/j.media.2015.06.009

Figure B.2.

Figure B.2

Determination of threshold value p̂ for likelihood image. Red and green plots are the histograms of object HO(I) and background HB(I), respectively. Given a probability value p, TPF(p), FPF(p), and Youden's index can be calculated. The threshold value for likelihood image p̂ is determined so that Youden's index is maximized.