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. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: Comput Med Imaging Graph. 2015 Mar 6;43:26–35. doi: 10.1016/j.compmedimag.2015.02.008

A reconstructed slice of the patient data: (a) FBP reconstruction from the 20mAs sinogram; (b) FBP+NLM filtering from the 20mAs sinogram (h=0.012); (c) PWLS-NLM reconstruction from the 20mAs sinogram (β=1×10⁵, h=0.008); (d) PWLS-adaptiveNLM reconstruction from the 20mAs sinogram (β=1×10⁵, s=1×10^-3, t=4×10^-6); (e) PWLS-TV reconstruction from the 20mAs sinogram (β=50). All the images are displayed with the same window.

A reconstructed slice of the patient data: (a) FBP reconstruction from the 20mAs sinogram; (b) FBP+NLM filtering from the 20mAs sinogram (h=0.012); (c) PWLS-NLM reconstruction from the 20mAs sinogram (β=1×10⁵, h=0.008); (d) PWLS-adaptiveNLM reconstruction from the 20mAs sinogram (β=1×10⁵, s=1×10^-3, t=4×10^-6); (e) PWLS-TV reconstruction from the 20mAs sinogram (β=50). All the images are displayed with the same window.