Search Results for author: Wonsuk Cha

Found 2 papers, 1 papers with code

Three-dimensional Coherent X-ray Diffraction Imaging via Deep Convolutional Neural Networks

no code implementations26 Feb 2021 Longlong Wu, Shinjae Yoo, Ana F. Suzana, Tadesse A. Assefa, Jiecheng Diao, Ross J. Harder, Wonsuk Cha, Ian K. Robinson

The trained ML model can rapidly provide an immediate result with high accuracy which could benefit real-time experiments, and the predicted result can be further refined with transfer learning.

Retrieval Transfer Learning

General approaches for shear-correcting coordinate transformations in Bragg coherent diffraction imaging: Part 1

1 code implementation15 Aug 2019 Siddharth Maddali, Peng Li, Anastasios Pateras, Daniel Timbie, Nazar Delegan, Alex Crook, Hope Lee, Irene Calvo-Almazan, Dina Sheyfer, Wonsuk Cha, F. Joseph Heremans, David D. Awschalom, Virginie Chamard, Marc Allain, Stephan O. Hruszkewycz

Part II builds upon the geometric theory developed in Part I with the formalism to correct the shear distortions directly on an orthogonal grid within the phase retrieval algorithm itself, allowing more physically realistic constraints to be applied.

Instrumentation and Detectors

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