Learned Shrinkage Approach for Low-Dose Reconstruction in Computed Tomography

<table>Upper left: reference image with added spikes. The LIR maps are shown in the marked region. Upper right: LIRs obtained with FBP reconstruction. Lower row, left to right: LIR maps obtained with our algorithm and the PWLS.</table>

International Journal of Biomedical Imaging

fig21

Figure 21

Figure 21: Learned Shrinkage Approach for Low-Dose Reconstruction in Computed Tomography 