  We present a versatile method for full-field, X-ray scattering tensor
tomography that is based on energy conservation and is applicable to data
obtained using different wavefront modulators. Using this algorithm, we pave
the way for speckle-based tensor tomography. The proposed model relies on a
mathematical approach that allows tuning spatial resolution and signal
sensitivity. We present the application of the algorithm to three different
imaging modalities and demonstrate its potential for applications of X-ray
directional dark-field imaging.
