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Wigner Distribution Deconvolution Adaptation for Live Ptychography Reconstruction - MaRDI portal

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Wigner Distribution Deconvolution Adaptation for Live Ptychography Reconstruction

From MaRDI portal
Publication:6419358

arXiv2212.01309MaRDI QIDQ6419358

Author name not available (Why is that?)

Publication date: 2 December 2022

Abstract: We propose a modification of Wigner Distribution Deconvolution (WDD) to support live processing ptychography. Live processing allows to reconstruct and display the specimen transfer function gradually while diffraction patterns are acquired. For this purpose we reformulate WDD and apply a dimensionality reduction technique that reduces memory consumption and increases processing speed. We show numerically that this approach maintains the reconstruction quality of specimen transfer functions as well as reduces computational complexity during acquisition processes. Although we only present the reconstruction for Scanning Transmission Electron Microscopy (STEM) datasets, in general, the live processing algorithm we present in this paper can be applied to real-time ptychographic reconstruction for different fields of application.




Has companion code repository: https://github.com/ptychography-4-0/livewdd








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