Boundary reconstruction in limited-angle x-ray phase-contrast tomography
Abstract
We investigate an algorithm for boundary-enhanced image reconstruction from limited-angle projection data in X-ray phase-contrast tomography. The algorithm exploits the fact that the imaging model of phase-contrast tomography establishes a sparse representation of the object that facilitates accurate image reconstruction form highly incomplete measurement data. The developed algorithm may therefore benefit a wide range of X-ray phase-contrast tomography applications by dramatically reducing data-acquisition times and limiting radiation dose.
- Publication:
-
Medical Imaging 2009: Physics of Medical Imaging
- Pub Date:
- February 2009
- DOI:
- 10.1117/12.811918
- Bibcode:
- 2009SPIE.7258E..27A