Regularization for undersampled ptychography

Prasan Shedligeri, Florian Schiffers, Semih Barutcu, Pablo Ruiz, Aggelos K. Katsaggelos, Oliver Cossairt*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


Ptychography becomes increasingly ill-posed when the overlap between neighboring scan points is reduced, inhibiting the object reconstruction. Here, we discuss and show reconstructions with low-overlap ratios by regularizing with priors such as Total-Variation and Structure-Tensor-Prior.

Original languageEnglish (US)
Article numberCW6B.5
JournalOptics InfoBase Conference Papers
StatePublished - 2021
EventComputational Optical Sensing and Imaging, COSI 2021 - Part of OSA Imaging and Applied Optics Congress 2021 - Virtual, Online, United States
Duration: Jul 19 2021Jul 23 2021

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials


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