Compression and information recovery in ptychography

L. Loetgering*, D. Treffer, T. Wilhein

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review


Ptychographic coherent diffraction imaging (PCDI) is a scanning microscopy modality that allows for simultaneous recovery of object and illumination information. This ability renders PCDI a suitable technique for x-ray lensless imaging and optics characterization. Its potential for information recovery typically relies on large amounts of data redundancy. However, the field of view in ptychography is practically limited by the memory and the computational facilities available. We describe techniques that achieve robust ptychographic information recovery at high compression rates. The techniques are compared and tested with experimental data.

Original languageEnglish
Article numberC04019
JournalJournal of Instrumentation
Issue number4
Publication statusPublished - 13 Apr 2018
Externally publishedYes


  • Computing (architecture, farms, GRID for recording, storage, archiving, and distribution of data)
  • Data processing methods
  • Data reduction methods


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