Ginevra Lautizi, Alain Studer, Marie-Christine Zdora, Fabio De Marco, Jisoo Kim, Vittorio Di Trapani, Federica Marone, Pierre Thibault, Marco Stampanoni
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引用次数: 0
摘要
我们提出了一种基于能量守恒的全场 X 射线散射张量断层成像的通用方法，该方法适用于使用不同波前调制器获得的数据。利用这种算法，我们为基于斑点的张量断层成像铺平了道路。所提出的模型依赖于一种数学方法，可以调整空间分辨率和信号灵敏度。我们介绍了该算法在三种不同成像模式中的应用，并展示了它在 X 射线定向暗场成像中的应用潜力。
Universal reconstruction method for x-ray scattering tensor tomography based on wavefront modulation
We present a versatile method for full-field x-ray scattering tensor tomography that is based on energy conservation and is applicable to data obtained using different wavefront modulators. Using this algorithm, we pave the way for speckle-based tensor tomography. The proposed model relies on a mathematical approach that allows tuning spatial resolution and signal sensitivity. We present the application of the algorithm to three different imaging modalities and demonstrate its potential for applications of x-ray directional dark-field imaging.
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