Anisotropic-beam imaging in two orthogonal directions in the axial plane of a hazelnut in real (top) and Fourier (bottom) space leads to isotropic high resolution (right column) via 3D Radon-transform filtered back projection.
From the article:
New X-Ray Tomography Method Based on the 3D Radon Transform Compatible with Anisotropic SourcesM. Vassholz, B. Koberstein-Schwarz, A. Ruhlandt, M. Krenkel, and T. Salditt
Phys. Rev. Lett. 116, 088101 (2016)
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