ct_integrate

pyrost.bin.ct_integrate(signatures, args, kwargs, defaults)

Perform the Fourier Transform wavefront reconstruction [FTI] with antisymmetric derivative integration [ASDI].

Parameters

• sx_arr (numpy.ndarray) – Array of gradient values along the fast axis.

• sy_arr (numpy.ndarray) – Array of gradient values along the slow axis.

Returns

w – Reconstructed wavefront.

Return type

numpy.ndarray

References

FTI

C. Kottler, C. David, F. Pfeiffer, and O. Bunk, “A two-directional approach for grating based differential phase contrast imaging using hard x-rays,” Opt. Express 15, 1175-1181 (2007).

ASDI

Pierre Bon, Serge Monneret, and Benoit Wattellier, “Noniterative boundary-artifact-free wavefront reconstruction from its derivatives,” Appl. Opt. 51, 5698-5704 (2012).