. Author manuscript; available in PMC: 2017 Dec 1.

Published in final edited form as: IEEE Trans Med Imaging. 2017 Sep 4;36(12):2546–2556. doi: 10.1109/TMI.2017.2749212

Algorithm 2.

NL-T-RPCA for DCPCT Reconstruction

Require: 𝒴, A, γ and the other parameters

Ensure: 𝒳

1: While the stopping criteria are not satisfied do

2: Update 𝒳 using Eq. (14);

3: Update 𝒞, U_1i, U_2i, U₃ and U_4i using Eqs. (16), (27), (28), (30) and (29);

4: Update B_(i) using Eq. (20);

5: Update 𝒢 using Eq. (22);

6: Update ℱ using Eq. (24);

7: Update the Lagrange multipliers.

8: End while