Search Results for author: Zichao Wendy Di

Found 3 papers, 0 papers with code

Physics-Inspired Unsupervised Classification for Region of Interest in X-Ray Ptychography

no code implementations29 Jun 2022 Dergan Lin, Yi Jiang, Junjing Deng, Zichao Wendy Di

X-ray ptychography allows for large fields to be imaged at high resolution at the cost of additional computational expense due to the large volume of data.

Object

Uncertainty quantification for ptychography using normalizing flows

no code implementations1 Nov 2021 Agnimitra Dasgupta, Zichao Wendy Di

Ptychography, as an essential tool for high-resolution and nondestructive material characterization, presents a challenging large-scale nonlinear and non-convex inverse problem; however, its intrinsic photon statistics create clear opportunities for statistical-based deep learning approaches to tackle these challenges, which has been underexplored.

Uncertainty Quantification

Simultaneous Reconstruction and Uncertainty Quantification for Tomography

no code implementations29 Mar 2021 Agnimitra Dasgupta, Carlo Graziani, Zichao Wendy Di

Tomographic reconstruction, despite its revolutionary impact on a wide range of applications, suffers from its ill-posed nature in that there is no unique solution because of limited and noisy measurements.

Gaussian Processes Uncertainty Quantification

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