## 2 Appendix Segmentation with Double-Layered Outlier Rejection FCM
### Double-Layered Outlier Rejection FCM (DORFCM)
#### 2.3.2 Layer-2 Learning (Step 5 to Step 7)
(**a**) Input, (**b**) Layer-1 histogram, (**c**) ORFCM result, (**d**) Layer-2 histogram, and (**e**) DORFCM result. **Author Contributions:** Conceptualization, K.B.K. and D.H.S. ; methodology, K.B.K. ; software, K.B.K. and H.J.P. ; analysis, K.B.K. and D.H.S. ; resources, K.B.K. ; data curation, K.B.K. ; writing--original draft preparation, K.B.K., D.H.S. and H.J.P. ; writing--review and editing, K.B.K., D.H.S. and H.J.P. ; visualization, D.H.S. and H.J.P. ; super-vision, K.B.K. and H.J.P. ; project administration, K.B.K. All authors have read and agreed to the published version of the manuscript. This research received no external funding. Not applicable. **Informed Consent Statement:** Informed consent was obtained from all subjects involved in the study. The data presented in this study are available on request from the corresponding author. The data are not publicly available due to Institutional regulations. The authors declare no conflict of interest regarding the publication of this paper. ## References

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