Leveraging Modified Ex Situ Tomography Data for Segmentation of In Situ Synchrotron X-Ray Computed Tomography
In situ synchrotron X-ray computed tomography enables dynamic material studies, but automated segmentation remains challenging due to complex imaging artefacts and limited training data. We present a methodology for deep learning-based segmentation by transforming high-quality ex situ laboratory data to train models for binary segmentation of in situ synchrotron data, demonstrated through copper oxide dissolution studies. Using a modified SegFormer architecture, our approach achieves high segmentation performance on unseen data while reducing processing time from hours to seconds per 3D dataset. The method maintains consistent performance over significant morphological changes during experiments, despite training only on static specimens. This methodology can be readily applied to diverse materials systems, accelerating the analysis of time-resolved tomographic data across scientific disciplines.
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