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. 2019 Dec 17;6(4):045014. doi: 10.1117/1.NPh.6.4.045014

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© The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Fig. 2 — Explore the threshold of DCBFC through experimental testing. Blue line and orange-dotted line, respectively, indicate average SI and average cluster number of different thresholds. Green-dotted line indicates the mean of all SI. In this study, the trading-off between SI and number of clusters was concerned. The threshold was set to be $⟨ | R_{t} | ⟩ + σ (| R_{t} |)$ .