Abstract
In the following work, we described the problems of porosity analysis of cement materials using backscattered electron images. We noticed that despite its great utility, the overflow porosity segmentation method allows for the introduction of an additional error by the effect of the subjective researcher. For this purpose, two developed variants of this method – regression I and II – were completely algorithmized and compared with the literature methods of overflow, triangle, and method preserving to choose the fastest and most consistent measurement method. Based on the comparison of the two data sets, it was judged that the improved overflow-based methods are the best candidates for the automated porosity assessment, with particular emphasis on regression II. All the algorithms used are summarized as Python source code in Supplementary Material.
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