Supplementary Figures S1 & S2 and Appendices 1 & 2 from Automated analysis of scanning electron microscopic images for assessment of hair surface damage

Figure S1. SEM hair images that exhibit similar image roughness but different extents of damage; Figure S2. SEM hair images whose damage grades were incorrectly predicted by the kNN model; Appendix 1. ImageJ macros to normalize SEM images and quantify hair surface damage using tailing factor; Appendix 2. ImageJ script to quantify hair surface damage using average image roughness.