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Machine learning for interpreting coherent X-ray speckle patterns
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DOI：10.1016/j.commatsci.2023.112500.png)
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Abstract
En 中文
Speckle patterns produced by coherent X-ray have a close relationship with the internal structure of materials but quantitative inversion of the relationship to determine structure from speckle patterns is challenging. Here, we investigate the link between coherent X-ray speckle patterns and sample structures using a model 2D disk system and explore the ability of machine learning to learn aspects of the relationship. Specifically, we train a deep neural network to classify the coherent Xray speckle patterns according to the disk number density in the corresponding structure. It is demonstrated that the classification system is accurate for both non disperse and disperse size distributions.
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