AMPAM: Phase retrieval based on a total-variation-regularized Poisson model for X-ray ptychographic imaging

This is an example implementation of the phase retrieval algorithm named AMPAM for X-ray ptychography.

Kohei Yatabe and Yuki Takayama, "Phase retrieval based on a total-variation-regularized Poisson model for X-ray ptychographic imaging of low-contrast objects," Journal of Applied Crystallography, 55 (2022).

Files

• main.m
  • script for running AMPAM
• AMPAM.m
  • function of AMPAM algorithm
• data.mat
  • data used in main.m