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eess.IV2023
Maximum Likelihood based Phase-Retrieval using Fresnel Propagation Forward Models with Optional Constraints
K. Aditya Mohan, Jean-Baptiste Forien, Venkatesh Sridhar +2
X-ray phase-contrast tomography (XPCT) is widely used for high contrast 3D imaging using either synchrotron or laboratory microfocus X-ray sources. XPCT enables an order of magnitu…
eess.IV2023
X-ray Spectral Estimation using Dictionary Learning
Wenrui Li, Venkatesh Sridhar, K. Aditya Mohan +5
As computational tools for X-ray computed tomography (CT) become more quantitatively accurate, knowledge of the source-detector spectral response is critical for quantitative syste…