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. Author manuscript; available in PMC: 2018 Oct 4.
Published in final edited form as: IEEE Trans Med Imaging. 2017 Jun 29;37(10):2165–2175. doi: 10.1109/TMI.2017.2721640

Fig. 4.

Fig. 4

Classification error on 10-fold for various parameter values. While an initial sharp decrease in classification error can be observed with an increase of d, the error rates then reaches a plateau for the approximate range d ∈ [20, 30]. It can then be seen that a higher number of SCPs leads to a moderate increase of classification error. As a consequence, for our tests, we used (λ1, λ2, d) = (0.5,0.5,25).