Tike

Tike is a toolbox for tomographic reconstruction of 3D objects from ptychography data.

The aim of Tike is to provide fast and accurate implementations of a wide variety of reconstruction algorithms, and to provide a common platform for the synchrotron research community.

Current Features (March 2021)

Scan

• Lissajous and 2D spiral trajectories
• hexagonal and rectangular grids

Ptychography

• FFT-based operator with linear position interpolation
• single-energy
• multiple probes per diffraction pattern (multi-mode probes)
• probe variation correction (eigen probes)
• one shared (multi-modal) probe per angular view
• multi-GPU conjugate-gradient descent solver
• multi-GPU least-squares + gradient descent solver

Laminography

• USFFT-based operator for cubic field-of-view
• single tilt angle
• multi-GPU conjugate-gradient descent solver

Alignment

• Lanczos-based rotation and flow operators
• Cross-correlation rigid alignment solver

Citations

This software has a DOI for use in citations.

Gursoy, Doga, and Ching, Daniel J. "Tike." Computer software. December 01, 2022. https://github.com/AdvancedPhotonSource/tike.git. https://doi.org/10.11578/dc.20230202.1.