Directly reconstruct the electron density and the deviatoric lattice distortion in compact crystals from independent BCDI data sets measured at a synchrotron facility. Useful for imaging isolated dislocations such as edge and screw disloca Written in Python + Pytorch.

S. Maddali et al, A differentiable forward model for the concurrent, multi-peak Bragg coherent x-ray diffraction imaging problem, 2022.

Datasets and reconstructions are available here through the Git LFS system and citeable on Zenodo: Alternately, the datasets may be downloaded from here.

Python modules, as determined by pipreqs:

    h5py==2.10.0
    logzero==1.7.0
    matplotlib==3.3.4
    numpy==1.20.1
    pyfftw==0.13.0
    scipy==1.6.2
    torch==1.10.0	
    tqdm==4.62.3

These are based on what was available to me at the time of creating this repo.

1. CPU: Intel Xeon CPU E5-2623 v4 @ 2.60GHz or better.
2. GPU: Nvidia GeForce GTX 1650 or better.

The notebooks folder contains complete reconstruction tutorials, including dataset descriptions.

1. Dr. Stephan Hruszkewycz (ANL)
2. Dr. Saugat Kandel (ANL)